GLD Dual Power Automatic Transfer Switch 160A-1200A GLD Dual Power Automatic Transfer Switch 160A-1200A
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GLD Dual Power Automatic Transfer Switch 160A-1200A GLD Dual Power Automatic Transfer Switch 160A-1200A
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GLD Dual Power Automatic Transfer Switch 160A-1200A
GLD Dual Power Automatic Transfer Switch 160A-1200A
GLD Dual Power Automatic Transfer Switch 160A-1200A
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GLD Dual Power Automatic Transfer Switch 160A-1200A
GLD Dual Power Automatic Transfer Switch 160A-1200A
GLD Dual Power Automatic Transfer Switch 160A-1200A
Home Circuit Breaker & Fuses Automatic Changeover Switch GLD Dual Power Automatic Transfer Switch 160A-1200A
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GL NH40 Load Isolator Switch Disconnector 63A-3150A
GL NH40 Load Isolator Switch Disconnector 63A-3150A

GLD Dual Power Automatic Transfer Switch 160A-1200A

Type:PC
Brand Name:Newtrend or OEM brand
Place of Origin:China
Province:Zhejiang
Model Number:NH40SZ
Number of Pole:4
Rated Current:20A ~ 3150A
SKU: 1770409019249270784 Category: Automatic Changeover Switch
  • Description
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

GLD ATS 3 Pole 4 Pole 160A 250A 400A 630A 800A 1000A 1200A 3P 4P Dual Power Automatic Transfer Switch

   

Product Features:

1. With double-row composite contact, levelly-pulling opening and closing mechanism, micro motor energy pre-stored technology as well as microelectronic control technology, it can basically realize no flashover (no arc chute)
2.. Adopt reliable mechanical and electrical interlocking
3. Adoption of zero-crossing technology, forced setting at “0” in emergency (cut off the two circuits of power supply at the same time), with protection functions against phase failure or under voltage.
4. With visible indication of on/off position and padlocking function, it can get the space between power supply and load.
5. High reliability, service life reaching 100A,5000 times, 630A-1600A,3000 times.
6. Being designed with electromechanical integration, the switch transfers accurately, flexibly and smoothly. High automation
7. The switch has multi-circuit input/output interface that can realize PLC remote control as well as automation of system.
The switch needn't any external control elements Nice appearance, small volume, light weight

The product conforms to following standards: GB/T 14048.11-2008/IEC60947-6-1 Automatic Transfer Switching Equipment, GB/T14048.3-2008/IEC60947-1 Low-voltage Switchgear and Controlgear General Rules as well as GB/14048.3-2008/IEC60947-3 Low-voltage Switchgear and Controlgear–Low-voltage Switches, Disconnectors, Switch-disconnectors and Fuse-combination units

 

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for GLD Dual Power Automatic Transfer Switch 160A-1200A.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

A

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

A

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

A

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

A

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

A

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.

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