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200 Amp 3 Phase Manual Transfer Switch
200 Amp 3 Phase Manual Transfer Switch
The 200 Amp 3 Phase Manual Transfer Switch – YCHGLZ1 Series is a reliable manual transfer switch specifically designed for industrial, commercial, and critical power distribution systems.
With a rated current of 200A and compliance with IEC60947-3 standards, this switch features a spring-stored energy mechanism and dual-breakpoint contact structure, ensuring safe and reliable power transfer and electrical isolation in 660V, 50Hz AC systems.
Its modular design offers flexible configuration options, making it suitable for power distribution and automation systems in construction, power, petroleum, chemical, and other industries.
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Product Details
The YCHGLZ1-200A/3 is a robust 3-phase manual transfer switch designed for safe power source switching in industrial, commercial, and electrical distribution systems. With a rated current of 200A and compliance with IEC60947-3 standards, this switch ensures secure isolation and manual transfer between power sources.
Key Features
DMC housing with high dielectric performance
Spring-stored energy mechanism for reliable switching
Dual-breakpoint contact structure
Manual operation for power source transfer
Modular design for flexible configurations
Suitable for dual power supply switching and safety isolation
Technical Specifications
| Parameter | Specification |
| Rated Current (Ie) | 200A |
| Rated Voltage (Ui) | 800V |
| Rated Impulse Withstand Voltage | 8kV |
| Rated Short-Time Withstand Current | 12kA for 1s |
| Rated Making/Breaking Capacity (AC-22A, 400V) | 600A |
| Mechanical Life | 2000 cycles |
| Electrical Life | 600 cycles |
| Operating Torque | 14.4 Nm |
Dimensions (3-Pole, 200A Model)
| Model | A (mm) | B (mm) | C (mm) | D (mm) |
| YCHGLZ1-200A-250A/3 | 340 | 165 | 250 | 110 |
Installation & Compatibility
The switch supports direct operation and side-operated mechanisms. It can be mounted inside or outside panels using the provided mounting plate. Compatible with external handles and extended shafts for remote operation.
Frequently Asked Questions
What is a manual transfer switch?
A manual transfer switch is an electrical device used to safely switch a load between two power sources, such as a main grid and a backup generator, by manual operation.
Do I need a permit to install a manual transfer switch?
Yes, electrical work often requires a permit and must be performed by a licensed electrician to comply with local codes and safety standards.
What are the disadvantages of a manual transfer switch?
It requires physical presence to operate, which can delay power restoration during an outage compared to automatic switches.
What is a cheaper alternative to a transfer switch?
An interlock kit for circuit breakers or a simple plug-in generator transfer cord are lower-cost options, but they offer less protection and convenience.
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