Shanghai Morn Electric Equipment

Aerial insulated cable (ABC) for outdoor overhead distribution networks rated 0.6/1 kV, manufactured to GB/T 12527-2008 and IEC 60502. Compared with bare conductors, the outer insulation prevents short circuits caused by tree branches, birds and wind-induced swinging, improving operating safety and reducing maintenance. Copper, aluminium or aluminium-alloy conductors with PVC, HDPE or XLPE insulation suit a wide range of climates and load conditions.

Rated voltage 0.6/1 kV; Conductor cross-section 10-300 mm2; Single-core to four-core bundle construction; Continuous temperature PVC/PE 70 C, XLPE 90 C; Short-circuit temperature XLPE 250 C; Power-frequency withstand 4 kV/5 min without breakdown

• Urban and rural low-voltage overhead distribution networks
• Urban-rural grid renovation and overhead service drops
• Power lines in mountainous, forest and coastal salt-spray areas
• Industrial parks and temporary construction power supply

This waterproof XLPE power cable adds a dual longitudinal and radial water-blocking system to the standard YJV design, eliminating water-tree ageing and breakdown caused by moisture ingress in wet, flooded or waterside installations. Three grades are offered: standard waterproof, armoured waterproof and water-tree resistant. Compliant with GB/T 12706.1-2008 and IEC 60502, it serves underground flooded ducts, basements, lakeside and riverside sites and wet mine sections.

Rated voltage 0.6/1 kV; Continuous conductor temperature 90 C; Short-circuit withstand 250 C; HDPE waterproof outer sheath; Optional steel-tape armour; Optional LSZH flame-retardant waterproof version; Design life over 30 years

• Municipal underground distribution in low-lying flooded roads
• Basement, underground garage and pump-room power distribution
• Waterside power supply for riverside, lakeside and port terminals
• Wet sections of mine shafts, tunnels and utility corridors

The KYJV series is the standard XLPE insulated control cable, rated 450/750 V, made to GB/T 9330.3-2008 and IEC 60502. It handles relay protection, interlocking, loop monitoring and signal transmission in power, metallurgy, chemical and automated production lines, linking control cabinets, actuators, sensors and relays. Compared with PVC control cable it offers better heat resistance, electrical stability, ageing resistance and oil and moisture resistance, and can be supplied shielded, armoured or LSZH.

Rated voltage 450/750 V; Continuous conductor temperature 90 C; Short-circuit withstand 250 C; Conductor cross-section 0.5-10 mm2; 2-61 cores; Power-frequency withstand 3 kV/5 min; Bending radius at least 6D unarmoured, 12D armoured or shielded

• Secondary relay protection circuits in power plants and substations
• Equipment control lines for metallurgical and chemical production lines
• Control wiring for building mechanical and electrical services
• Ventilation and smoke-exhaust control circuits in tunnels and utility corridors

Mineral insulated cable uses a high-conductivity copper core, an inorganic mineral insulation (magnesium oxide and similar) and a seamless metal sheath, forming a rigid or flexible fire-resistant cable made entirely of non-combustible inorganic materials. It is smoke-free, non-toxic and keeps circuits energised during a fire, ranking among the highest fire-performance cable categories. The sealed metal sheath provides water, explosion and corrosion protection plus mechanical impact resistance, with high current capacity and good heat dissipation.

Fully inorganic, non-combustible, smokeless and non-toxic; Excellent fire resistance with sustained power supply; Metal sheath resists water, explosion and corrosion; High current capacity with efficient heat dissipation; Available in rigid and flexible types

• High-rise buildings, metros, tunnels and airports
• Hospitals, shopping malls and data centres
• Critical power supply for chemical and nuclear plants
• Fire pumps, emergency lighting and category-1 security load circuits

This flexible mineral insulated fire-resistant cable is rated 0.6/1 kV and below and belongs to a new generation of high-performance fire-resistant power cables, with magnesium oxide and other inorganic minerals wrapped around the conductor as core insulation. Its optimised stranded construction overcomes the bending difficulties of conventional rigid mineral cable, combining extreme fire resistance with the flexibility and easy installation of ordinary cable. Fire survival reaches 90 minutes or more, with no smoke or toxic emission, moisture tolerance and flexible laying.

Rated voltage 0.6/1 kV and below; Fire survival time 90 minutes or more; Inorganic mineral insulation resistant to heat and humidity; Stranded construction for flexible, easy installation; Explosion-proof and resistant to rodents and insects; Strong short-circuit and overload withstand

• High-rise residential towers, commercial complexes and hospitals
• Rail transit stations, data centres and utility corridors
• Fire pump rooms, emergency lighting and smoke-exhaust fans
• Damp basements, waterside machine rooms and civil defence works

This cable is the dedicated link between charging piles and electric vehicles, covering AC slow charging and high-power DC fast charging. AC versions are typically 450/750 V and DC versions 1500 V, meeting GB/T 33594, IEC 62893 and EN 50620. It integrates power, earth and communication signal conductors in one construction, using highly flexible tinned soft copper conductors with a TPE elastomer sheath to withstand dragging, crushing, outdoor sunlight and frequent plugging. It is the core cable of charging systems in residential estates, public charging stations and highway service areas.

AC 450/750 V, DC 1500 V; Compliant with GB/T 33594 / IEC 62893 / EN 50620; Class 5/6 tinned soft copper conductor; TPE elastomer insulation and sheath; Temperature range -40 C to 125 C; Shielding coverage 80% or more; Halogen-free, low-smoke and flame-retardant

• Portable in-vehicle AC charging for households
• DC fast charging at public stations and highway service areas
• Centralised charging depots for logistics parks and ride-hailing fleets
• Heavy-duty fast charging of commercial EVs in ports and industrial yards

Combined conductor is built from 2 to 4 enameled or paper-wrapped rectangular copper wires placed side by side or stacked, individually lightly insulated and then wrapped overall with electrical insulating paper. It is designed for medium- and low-voltage, high-current windings of large transformers. Its regular structure gives a 15% to 25% higher slot fill factor than separately wound strands, with good mechanical strength and easy processing, plus balanced heat dissipation and reliable insulation for oil-immersed and dry-type transformers.

Combination of 2-4 rectangular wires; Slot fill factor improved by 15%-25%; Overall wrap of cable paper or Nomex paper; High current carrying capacity with low resistive loss; Suitable for oil-immersed and dry-type transformers

• Medium- and low-voltage windings of 110 kV-500 kV large power transformers
• Low-voltage windings of distribution transformers 35 kV and below
• Transformers for wind and PV step-up stations and energy storage converters
• Windings for furnace transformers, rectifier transformers and reactors

Continuously transposed conductor arranges multiple enameled rectangular copper wires (commonly 5 to 71 odd strands) in two rows with continuous 360-degree transposition, tightly wrapped in electrical insulating paper. Internal transposition balances leakage flux linkage and resistance between strands, sharply cutting additional losses at high current, making it a core winding material for large transformers and reactors. It offers high slot fill, short-circuit impact resistance, oil and heat resistance, and needs no manual transposition during winding.

5-71 odd-numbered rectangular strands; Eddy and circulating current loss reduced by 40%-50%; Slot fill factor raised by about 20%; Continuous transposition weaving; Suitable for oil-immersed and dry-type transformers

• Windings of 110 kV-1000 kV UHV main transformers
• Wind and PV step-up transformers and special nuclear transformers
• Traction transformers for high-speed rail and metro
• Reactors, instrument transformers, furnace and rectifier transformers

Film-sintered wire uses rectangular or round copper conductor wrapped with polyimide film and then sintered at high temperature, producing a dense, seamless and fully cured insulation layer with both very high dielectric strength and heat resistance. The heat class reaches 200 C to 240 C, with corona resistance, high-frequency pulse withstand and excellent mechanical performance against scratching and abrasion. It is widely used in windings of new energy vehicle drive motors and rail transit traction motors.

Heat resistance 200 C-240 C; Polyimide film sintered insulation; Seamless, dense insulation layer; Corona resistant and withstands high-frequency pulses; Resistant to oil, solvents and humid heat

• Drive motors for new energy vehicles
• Traction motors for rail transit
• Wind generators and high-speed servo motors
• Variable-frequency motors and high-voltage special transformers

This rectangular wire uses copper or aluminium conductor: the inner layer is two polyester or polyimide films lapped in both directions, and the outer layer is two alkali-free glass fibre yarns lapped in opposite directions, all impregnated and baked with high-temperature insulating varnish. The film gives dense high insulation while the glass fibre provides strong mechanical protection, giving reliable insulation, heat resistance and scratch resistance. Breakdown voltage is 8-10 kV/mm or more and heat class 155-240 C.

Dual film plus double glass-fibre composite; Breakdown voltage at least 8-10 kV/mm; Heat class 155 C / 180 C / 200 C / 220 C; Rectangular wire tolerance plus or minus 0.02 mm; Resistant to oil and humid heat

• Windings for high-voltage, traction and variable-frequency motors
• Large dry-type transformers, reactors and instrument transformers
• Drive motors for new energy vehicles and wind generators
• Rail transit traction, welding machines and industrial furnaces

This wire uses electrical-grade aluminium round or rectangular conductor, lapped in two opposite directions with two layers of alkali-free glass fibre and then impregnated and baked with high-temperature insulating varnish, in accordance with GB/T 7672-2008. The two glass-fibre layers run in opposite directions and bond tightly to conductor and varnish, combining aluminium's light weight with high insulation and mechanical strength. Breakdown voltage is at least 5 kV/mm and aluminium is about 68% lighter than copper, giving a clear cost advantage.

Complies with GB/T 7672-2008; Breakdown voltage at least 5 kV/mm; Aluminium density 2.7 g/cm3, about 68% lighter than copper; Heat class 130/155/180 C; Round wire dia. 2.0-6.0 mm, rectangular a 2-8 mm / b 3-16 mm

• Windings of medium and large dry-type transformers and reactors
• Drive motors for new energy vehicles and high-efficiency motors
• High-current equipment such as welding machines and electromagnetic chucks
• Equipment in outdoor, high-temperature and humid harsh environments

Double glass-fibre covered wire has a copper or aluminium core lapped in two opposite directions with two layers of alkali-free glass fibre and cured with high-temperature insulating varnish. The insulation layer is thick and dense, giving high dielectric strength and excellent voltage withstand, together with high mechanical strength, scratch resistance, abrasion resistance and vibration resistance. It also offers good heat resistance, ageing resistance, oil resistance and chemical resistance, making it a common winding wire for heavy-duty and high-temperature electrical equipment.

Double glass-fibre lapped covering; Thick dense insulation with excellent voltage withstand; Scratch, abrasion and vibration resistant; Heat, ageing and oil resistant; High operating reliability

• High-power motors
• Traction motors and dry-type transformers
• Reactors and welding machines
• Windings for high-temperature, vibrating and heavy-duty harsh conditions

Single glass-fibre covered wire is produced by lapping a single layer of alkali-free glass fibre around a copper or aluminium conductor and curing it with insulating varnish. The structure is simple and insulation reliable, combining mechanical protection with electrical insulation. The insulation layer is tough, scratch resistant and abrasion resistant with good mechanical strength, and its excellent heat resistance suits medium and high temperature duty. It winds easily with good formability, making it suitable for all kinds of coil processing.

Single-layer glass-fibre lapped covering; Scratch and abrasion resistant with good mechanical strength; Excellent heat resistance; Oil and ageing resistant; Easy to wind with good formability

• Small and medium-sized motors
• Dry-type transformers and reactors
• Welding machines
• Windings for general electrical equipment

High-density paper covered wire uses oxygen-free copper round or rectangular wire and copper stranded conductor, tightly lapped with multiple layers of high-density insulating paper. The insulation layer is dense and compact with uniform thickness and no gaps, outperforming ordinary paper covered wire in voltage withstand and mechanical stability, and is dedicated to high-voltage and heavy-duty windings. Paper tape overlap is 50% or more, breakdown voltage 8-12 kV/mm or more, with oil and moisture resistance.

Multi-layer high-density insulating paper lapping; Overlap rate 50% or more; Breakdown voltage at least 8-12 kV/mm; Heat class 105 C (A) / 130 C (B); Oil and moisture resistant with high dimensional accuracy

• Large oil-immersed, high-voltage and traction transformers
• High-voltage reactors and instrument transformers
• Large generators and high-voltage motor stators
• Substation leads and high-voltage cable terminations

Telephone cable paper covered wire is a traditional paper covered winding wire using round or rectangular copper or aluminium conductor with multiple lapped layers of dedicated telephone paper (QB 218) as insulation. The insulation layer is thin yet dense and smooth, suited to oil-immersed electrical windings. Insulating paper thickness is 0.03-0.08 mm, electrical insulation is stable and oil resistance good; after impregnation it withstands 105 C (class A), with mature process and moderate cost.

Wrapped with QB 218 telephone paper; Insulating paper thickness 0.03-0.08 mm; Heat resistance 105 C (class A) after impregnation; Good oil resistance; Smooth winding with low risk of damage

• Oil-immersed power and distribution transformers
• Oil-immersed reactors and instrument transformers
• Windings of legacy communication equipment and telephone exchanges
• Low-voltage medium-frequency oil-immersed motors and traction transformers

Polyester-imide enameled wire has a copper core coated with polyester-imide (PEI) insulating varnish and cured by high-temperature baking. Its insulating performance is excellent and its overall properties exceed those of ordinary polyester enameled wire. Heat class reaches 155/180, with good heat-shock and ageing resistance, high dielectric strength, scratch and abrasion resistance, good adhesion, and outstanding chemical and refrigerant resistance.

Polyester-imide PEI insulating varnish; Heat class 155/180; Scratch resistant, abrasion resistant, good adhesion; Resistant to chemicals and refrigerants; High dielectric strength

• High-temperature motors
• Hermetic compressors
• Variable-frequency motors
• Dry-type transformers and reactors

Acetal enameled round wire uses round copper conductor coated with polyvinyl acetal insulating varnish, applied in several passes and cured by high-temperature baking, giving a uniform dense insulation layer with stable electrical performance. The enamel film adheres strongly, is tough and resistant to wear and scratching, and offers excellent oil, refrigerant and solvent resistance, good flexibility and easy winding, at attractive cost performance.

Polyvinyl acetal insulating varnish; Tough enamel film resistant to wear and scratching; Resistant to oil, refrigerants and solvents; Good flexibility; High cost performance

• Small and medium-sized motors
• Home appliance motors
• Hermetic compressors
• Transformer and electrical appliance coils

Acetal enameled rectangular wire uses rectangular copper conductor coated with polyvinyl acetal insulating varnish through multiple passes and high-temperature baking, producing a dense uniform insulation layer with stable electrical and mechanical performance. Insulation adhesion is strong and the enamel film is tough and resistant to wear and scratching, with excellent oil, refrigerant and solvent resistance, balanced mechanical properties and outstanding winding processability.

Polyvinyl acetal insulating varnish; Tough enamel film resistant to wear and scratching; Resistant to oil, refrigerants and solvents; Good flexibility; Moderate heat class

• Small and medium-sized motors
• Transformers and reactors
• Electrical appliance coils
• Refrigeration compressors and hermetic motors

Nomex paper covered wire has a copper or aluminium core tightly lapped with DuPont Nomex aramid paper and impregnated and cured, making it a high-temperature special magnet wire. It offers high dielectric strength, heat and ageing resistance and flame-retardant environmental performance, and is a preferred winding material for high-end electrical equipment. Heat class is C at 220 C, with oil and acid-alkali resistance, UL94 V-0 flame retardancy, good mechanical strength and recyclability.

Nomex aramid paper lapping; Heat class C, 220 C; Flame retardant to UL94 V-0; Resistant to oil and acid-alkali; Environmentally friendly and easy to recycle

• Dry-type and oil-immersed transformers, reactors and instrument transformers
• High-voltage motors, wind generators and traction motors
• Welding machines
• High-temperature, heavy-duty and high-reliability electrical equipment

Coils are wound from insulated conductors such as enameled, glass-fibre covered, paper covered or magnet wire according to a designed shape and turn count. They are the core electromagnetic induction component of motors, transformers, reactors, electromagnets and many other electrical devices, transferring power, converting energy and controlling signals through electromagnetic conversion. Turns, wire diameter and winding structure can be precisely designed, and after varnish dipping and baking the coil is rigid, vibration resistant, moisture proof and long lived.

Customised turn count, wire diameter and structure; Insulation treatment for voltage, heat and impact withstand; Compact structure with high space utilisation; Varnish dipped and baked for curing; Customisable dimensions and connection method

• Motors, generators and transformers
• Reactors, instrument transformers and solenoid valves
• Relays, electromagnets and induction heating
• Automotive electronics and home appliances

Spring cable, also called spiral or coiled cable, is made by extruding insulation and sheath over flexible stranded copper conductors and then spiral winding and heat setting the assembly into a retractable cable. With good stretch and rebound behaviour it is designed for electrical connections that move frequently and extend and retract repeatedly. The conductor is flexible and fatigue resistant, and the sheath is usually PUR/TPU for wear, oil and ageing resistance, with optional shielding against electromagnetic interference.

Spiral wound and heat set, retractable; Fine stranded copper, flexible and fatigue resistant; PUR/TPU sheath resistant to wear and oil; Optional shielding against EMI; Carries both power and signal

• Machinery and automation equipment
• Robots and EV charging guns
• Trailer harnesses and medical devices
• Instruments and mobile tooling systems

Bare stranded conductor is made by concentrically stranding multiple aluminium, copper or aluminium-alloy wires with no insulation layer. It is mainly used for power transmission, overhead lines and connections inside electrical equipment, offering high current capacity, high mechanical strength and good heat dissipation. The stranded construction is flexible with high tensile strength, simple to install and resistant to corrosion and wind-induced vibration, making it suitable for long-span transmission.

Concentric stranding of multiple aluminium, copper or aluminium-alloy wires; No insulation, excellent heat dissipation and high current capacity; Flexible with high tensile strength; Corrosion resistant and resistant to wind vibration; Low cost for long-distance transmission

• High-voltage and extra-high-voltage overhead transmission lines
• Substation busbars and distribution lines
• Long-span river and lake crossings
• Internal conductive connections and earthing leads in electrical equipment

Stator bars, also called electronic wire bars, are the core conductive components located in the stator core slots of medium and large high-voltage generators and motors. Made of copper conductor combined with a multi-layer insulation system, they are inserted into the core and connected into a complete stator winding. They convert between electrical energy and magnetic field, carry the rated operating current and withstand high-voltage fields, temperature rise and vibration, including 360-degree transposition, turn insulation, main insulation and end corona-grading shielding.

Multi-strand glass-fibre covered rectangular copper wire with 360-degree transposition; Epoxy mica tape main insulation; Corona-grading shielding at the ends; Hot-pressed and cured as a void-free assembly; Withstands high-voltage fields, temperature rise and vibration

• Stators of medium and large high-voltage generators
• Stators of high-voltage motors
• Hydro and turbo generators
• Insulated conductive components of high-voltage rotating machines