OEM Wolong Nanyang NSHE series NEMA standard three-phase asynchronous AC Electric motor Manufacturer, Exporters

NSHE series high-efficiency three-phase asynchronous motors (frame number 143-5011) are developed by Wolong Electric Nanyang Explosion-Proof Group Co., Ltd. in accordance with NEMA standards. Their rated power, installation dimensions and electrical performance all meet the requirements of the latest NEMA standards. This series of motors has the characteristics of high efficiency, low noise, low vibration, large temperature rise safety margin, beautiful appearance, safe and reliable operation, etc. The entire series of motors have UL certification.

Product Description

Application

As a NSHE supplier, NSHE series high-efficiency three-phase asynchronous motors can be used in petroleum, coal, chemical industry, metallurgy, electric power, oil and gas pipelines, mines, ports, machinery industries, etc. where flammable gases or steam and air are formed explosive mixtures. It is an ideal driving equipment for driving pumps, fans, compressors, conveyors, mixers, crushers, hoists and other mechanical equipment.

Implementation Standards

  • 1 HP to 500HP
  • Frame: 143T~5011
  • 3600, 1800, 1200, 900 RPM @ 60Hz; 3000, 1500, 1000, 750 RPM @ 50Hz
  • NEMA Premium Efficiency
  • NEMA Design B
  • TEFC
  • IP66 Protection Rating
  • Department of Energy Efficiency Certification CC039B
  • CSA C US Energy Verified
  • CSA Certified for Class I, Division 2, Group A, B, C, D; Class I, Zone 2, IIC
  • CSA Certified for Class II, Division 2, Group F, G; Class II, Zone 22
  • Temperature Code: T3C @ 40℃ Ambient; T3B @ 55℃ Ambient
  • CSA Certified for inverter duty, speed ranges: CT 5:1, VT 10:1, CP 1:1.5
  • Class F insulation with B rise @ 1.0 SF
  • 1.15 Service factor - Continuous
  • 3 phase, 208-230/460V, 460V and 575V @ 60Hz; 380V and 415V @ 50Hz
  • Continuous Duty
  • Maximum ambient temperature: 40 ℃
  • Altitude up to 3300 ft (1000 m)
  • Oversized Main Conduit box Rotatable in 90 Degree, NPT Threaded
  • F1 mounted, F2 available, F1/F2 Convertible
  • Bi-Direction Rotation for 1-200HP; Unidirectional CCW for 2 Pole 250HP+
  • Bearings open with covers (Frame 143T ~ 5000) with re-greasing nipples
  • Stainless steel automatic breather drains
  • Labyrinth Type bronze seals at both ends
  • Non-Sparking, Non-Static plastic or cast aluminum fan

Parameter

HP

KW

Speed

Frame

FLA (460V )

KVAR CODE

Rotor Inertia (kg.㎡)

Efficiency (%)

Power Factor (%)

LRT (%)

BDT (%)

Motor weight (kg)

1/2 load

3/4 load

Full load

Nom.

Min.

1 0.75 1800 143T 1.4 N 0.0067 81.3 84.5 85.5 82.5 78.5 311 412 31
1 0.75 1200 145T 1.6 N 0.0081 78.0 81.0 82.5 80.0 66.0 342 341 32
1 0.75 900 182T 2.4 N 0.013 72.0 75.0 75.5 72.0 65.0 150 280 36
1.5 1.1 3600 143T 1.8 M 0.0026 83.5 85.1 84.0 81.5 84.5 289 378 29
1.5 1.1 1800 145T 2.0 M 0.0091 83.0 86.0 86.5 84.0 79.0 291 377 31
1.5 1.1 1200 182T 2.3 M 0.011 84.5 87.0 87.5 85.5 71.0 239 341 38
1.5 1.1 900 184T 3.2 M 0.019 75.0 78.0 78.5 75.5 68.0 140 210 38
2 1.5 3600 145T 2.4 L 0.0035 85.3 86.0 85.5 82.5 86.0 219 252 37
2 1.5 1800 145T 2.6 L 0.017 84.0 86.0 86.5 84.0 83.7 250 298 40
2 1.5 1200 184T 2.9 L 0.018 86.0 88.0 88.5 86.5 73.0 249 324 45
2 1.5 900 213T 3.1 L 0.038 78.0 80.0 84.0 81.5 69.0 130 210 70
3 2.2 3600 182T 3.5 K 0.0089 85.5 87.0 86.5 84.0 87.0 187 307 52
3 2.2 1800 182T 3.7 K 0.019 87.5 89.0 89.5 87.5 77.0 232 322 52
3 2.2 1200 213T 4.0 K 0.035 87.5 89.0 89.5 87.5 71.0 295 349 92
3 2.2 900 215T 4.5 K 0.05 80.0 84.0 85.5 82.5 69.0 130 210 85

Frequently Asked Questions

What industries are NSHE series motors designed for?

They are highly suited for environments with explosive mixtures, flammable gases, or steam, such as petroleum, coal, chemical processing, metallurgy, electric power, oil and gas pipelines, mining, ports, and various machinery manufacturing fields.

What power and frame size options are available?

The power outputs range from 1 HP up to 500 HP, with standardized frame dimensions ranging from 143T to 5011.

Which explosion-proof standard classifications do these motors meet?

These motors are CSA Certified for Class I, Division 2, Groups A, B, C, and D, and Class II, Division 2, Groups F and G, ensuring safe operation in hazardous locations.

What are the environmental limits and altitude ratings?

They operate safely under maximum ambient temperatures of 40°C (with specific ratings available up to 55°C) and altitudes up to 3300 feet (1000 meters) above sea level.

What are the supported voltage and frequency ratings?

They support three-phase operations at 208-230/460V, 460V, and 575V at 60Hz, as well as 380V and 415V at 50Hz.

How is the protection rating and fan design configured?

The motors are Totally Enclosed Fan Cooled (TEFC) with an IP66 protection rating, utilizing a non-sparking, non-static plastic or cast aluminum fan for maximum safety.

Related Products