Main Distribution Board GL Isolator 1600A | 3P 4P Large-Scale Power Control
Industrial GL Type Isolator Switch – Ultra-High Current Power Isolation for Large-Scale Industrial Infrastructure.
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Main Distribution Board GL Isolator 1600A
Ultra-high current 1600A isolating switch. 3-phase disconnector with 4P option. 20kA fault withstand. Ideal for main incomers, power centers & large-scale industrial plants.
The Industrial GL Type Isolator Switch is a heavy-duty power disconnector engineered for ultra-high current electrical isolation in massive industrial installations. With an impressive 1600A rating, this switch delivers uncompromising performance for main switchboards, power distribution centers, industrial plants, and critical infrastructure requiring robust disconnection capabilities at the highest levels.
Key Features：
Ultra-High Current 1600A Rating: Part of the comprehensive 20-3200A family, the 1600A model is specifically engineered for massive industrial loads, main power distribution centers, large manufacturing facilities, and high-capacity electrical infrastructure.
Industrial-Grade Heavy-Duty Construction: Built with reinforced materials, heavy-duty mechanisms, and precision engineering to withstand vibration, thermal stress, and harsh operating conditions common in heavy industrial and utility settings.
Extended Temperature Range: Operates efficiently within -5°C to +40°C ambient conditions, suitable for both indoor and sheltered outdoor industrial applications.
Heavy-Duty Panel Mount Design: Engineered for secure panel mounting in main switchboards, power distribution centers, and control cabinets, providing stable and reliable installation for ultra-high current applications.
Applications:
Utility and infrastructure power distribution
Data center power distribution and UPS systems
Transformer secondary isolation
Generator main output switches
Industrial process lines with high power demand
Main Technical Parameters
| Items | Parameters | ||||||||||
| Shell Frame Rated Current Inm(a) |
100 | 160 | 250 | 400 | 630 | 800/1000 | 1250 | 1600 | 2000 | 2500 | 3200 |
| Rated Current In(a) | 20、25、32、 40、50、63、 80、100 |
20、25、32、 50、63、80、 100125、160 |
125、160、 200、225、250 |
400、500、630 | 400、500、630 | 800、1000 | 1250 | 1600 | 2000 | 2500 | 3200 |
| Poles | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P | 3P/4P |
| NominalInsulation Voltage Ui(v) |
800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Rated Operational Voltageue(m) |
AC400V | AC400V | AC400V | AC400V | AC400V | AC400V | AC400V | AC400V | AC400V | AC400V | AC400V |
| Rated Impulse Withstand Voltage Uimp(kv) |
6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Rated Short Time Current Icw(ka/1s) |
5 | 10 | 12 | 20 | 20 | 20/H type 40 | 20/H type 40 | 20/H type 40 | 40 | 40 | 40 |
| Rated Short-circuit Ability Lcm(ka) |
8.5 | 17 | 24 | 40 | 40 | / | / | I | 84 | 84 | 84 |
| Use Classes | AC-21B、 AC-22B |
AC-21B AC-22B |
AC-21B AC-22B |
AC-21B AC-22B |
AC-21B AC-22B |
AC-20A | AC-20A | AC-20A | AC-21B、 AC-22B |
AC-21B、 AC-22B |
AC-21B、 AC-22B |
| Boundary Dimension(mm) |
85/108 | 140/170 | 180/230 | 230/290 | 230/290 | 378/498 | 378/498 | 378/498 | 378/498 | 378/498 | 378/498 |
| 106 | 135 | 170 | 240 | 260 | 312 | 338 | 338 | 455 | 455 | 505 | |
| 96 | 116 | 128 | 169 | 169 | 240 | 240 | 240 | 340 | 340 | 340 | |
| Mounting Dimension(mm) |
32.5/54 | 120/150 | 160/210 | 210/270 | 210/270 | 353/473 | 353/473 | 353/473 | 353/473 | 353/473 | 353/473 |
| 58 | 65 | 90 | 140 | 140 | 280 | 280 | 280 | 280 | 280 | 280 | |
Packaging and delivery
| Selling Units | Single item |
Lead time
| Quantity (pieces) | 1 – 6 | > 6 |
| Lead time (days) | 15 | To be negotiated |
Key attributes
| Rated Voltage | 400 V |
| Material | Copper |
| Place of Origin | Zhejiang, China |
| Type | Switches |
| Model Number | GL-100 |
| Brand Name | Westhomes |
155 MBFREQUENTLY ASKED QUESTION (FAQ)
What is the Westhomes GL Isolator 1600A?
The Westhomes GL Isolator 1600A is a high-current switch disconnector designed for main distribution boards and low-voltage power distribution systems. It provides reliable circuit isolation and manual switching functions for large electrical installations requiring safe maintenance and power control.
What are the main functions of the GL Isolator 1600A?
The GL Isolator 1600A is mainly used for electrical isolation, circuit switching, and maintenance safety. It allows operators to disconnect power circuits manually, ensuring safe access for inspection, repair, or system upgrades.
Where is the GL Isolator 1600A commonly used?
The GL Isolator 1600A is widely used in main distribution boards, industrial power systems, commercial buildings, factories, infrastructure projects, and other low-voltage electrical installations with high current requirements.
What does 1600A mean in the GL Isolator?
1600A refers to the rated operational current of the isolator. This means the device can safely carry and switch circuits with a current rating up to 1600 amperes under specified operating conditions.
What is the difference between an isolator and a circuit breaker?
An isolator is mainly designed for safe electrical isolation and manual switching, while a circuit breaker provides automatic protection against overloads and short circuits. An isolator should normally be used together with protective devices such as MCCBs or ACBs in power distribution systems.
Can the GL Isolator 1600A be used in a main distribution board?
Yes. The GL Isolator 1600A is specifically designed for main distribution board applications where reliable power isolation and manual control are required for high-current electrical systems.
How does the GL Isolator 1600A improve electrical safety?
The GL Isolator 1600A improves safety by providing a visible and reliable disconnection point. During maintenance or system inspection, operators can isolate the power supply to reduce the risk of accidental energization.
What type of electrical systems can use the GL Isolator 1600A?
The GL Isolator 1600A is suitable for low-voltage AC distribution systems in industrial, commercial, and infrastructure applications. It is commonly used in three-phase power distribution systems with high current loads.
How is the GL Isolator 1600A installed?
The GL Isolator 1600A is installed inside main distribution boards or electrical cabinets according to the system design. Proper installation should follow the product specifications, wiring requirements, and applicable electrical standards.
Why choose Westhomes GL Isolator 1600A for power distribution systems?
The Westhomes GL Isolator 1600A provides high current carrying capability, reliable isolation performance, and durable construction for demanding electrical applications. It is an ideal solution for industrial and commercial power distribution systems requiring safe and efficient circuit control.
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