Automatic Transfer Switch

Automatic Transfer Switch: ZSEE KE-L series is suitable for AC power distribution systems with a frequency of 50Hz, a rated current of 16~630A, and a rated operating voltage of AC230V/400V. It can perform the transfer between regular and backup power sources and is used in critical applications within power systems where power interruptions are not permissible. This series of automatic transfer switches is categorized as PC level, utilizing an electromagnetic drive system that enhances switching speed. Its electromechanical integrated design results in a more compact, streamlined appearance, saving installation space.

Compliance Standards

GB 14048.1 “Low-voltage switchgear and controlgear - General Rules”

GB/T 14048.11 “Low-voltage switchgear and controlgear - Part 6-1: Multi-function Equipment - Transfer Switching Equipment”

IEC 60947-1 “Low-voltage Switchgear and Controlgear - Part 1: General Rules”

IEC 60947-6-1 “Low-voltage Switchgear and Controlgear - Multi-function Switch - Automatic Transfer Switching Equipment”

Operating Environment

Altitude does not exceed 2000 meters;
Ambient temperature is not higher than +40℃ and not lower than -5℃;
Relative humidity does not exceed 50% at +40℃;
Special measures should be taken against occasional condensation due to temperature changes;
No explosive atmosphere;
No environment subject to rain or snow intrusion;
Pollution level is 3;

Note: For special requirements, please contact the company.

Model Description

Example of Model Selection:

ZSEEKE-L-630/4 III 630A

The ZSEEKE-L series automatic transfer switch has a rated heating current of 630A, 4 poles, integrated three-position, with a rated current of 630A.

Comparison Table

Product Code and Controller Type

Controller Function Table

Electrical Performance Parameters Table

ZSEEKE-L Integrated Two/Three-position Product Dimensions

ZSEEKE-L-125~250/2, 3, 4P (III) Product Dimensions (mm)

ZSEEKE-L-630/2, 3, 4P (III) Product Dimensions (mm)

ZSEEKE-L Split-type Two/Three-position Product Dimensions

ZSEEKE-L-125~250/2, 3, 4P (III) Product Dimensions (mm)

ZSEEKE-L-630/2, 3, 4P (III) Product Dimensions (mm)

Split-type Intelligent Controller

The ZSEEKE-L series split-type automatic transfer switch, equipped with the S1 and S2 series controllers, is a product integrating automatic measurement with a microprocessor, programmable output port, communication capability, indicator display, adjustable switching delay, and configurable operating modes. This series of controllers can achieve automation in the measurement and control process, reducing human error, making it an ideal product for automatic transfer switching.