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Used switch control unit in China

NP-AE11 Motor breaker top auxiliary
NPAE11 REACh Declaration Description: NP-AE11 auxiliary contact block, for motor circuit breakers NPM2 and NPM3. 2NO instantaneous auxiliary contacts. Rated for operation up to 2A/240V AC and 1A/60V DC. To be ins...
Wenzhou, China
NP-AD0110 Motor breaker side auxiliary
Description: NP-AD0110 auxiliary contact block, for motor circuit breakers NPM2 and NPM3. 1NC fault signaling contact + 1NO instantaneous auxiliary contact. Instantaneous auxiliary contact rated for operation up ...
Wenzhou, China
NP-AD1010 Motor breaker side auxiliary
NPAD1010 REACh Declaration Description: NP-AD1010 auxiliary contact block, for motor circuit breakers NPM2 and NPM3. 1NC fault signaling contact + 1NO instantaneous auxiliary contact. Instantaneous auxiliary cont...
Wenzhou, China
NP-AN11 Motor breaker side auxiliary
NPAN11 REACh Declaration Description: NP-AN11 auxiliary contact block, for motor circuit breakers NPM2 and NPM3. 1NO+1NC instantaneous auxiliary contacts. Rated for operation up to 6A/690V AC and 6A/240V DC. To b...
Wenzhou, China
NP-A01 Motor breaker side auxiliary
NPA01 REACh Declaration Description: NP-A01 auxiliary contact block, for motor circuit breakers NPM2 and NPM3. 1NO+1NC instantaneous auxiliary contacts. Rated for operation up to 6A/690V AC and 6A/240V DC. To be ...
Wenzhou, China
Trusted Seller
5SN7G10A | SIEMENS Circuit Breaker
- Manufacturer: Siemens
SIEMENS 5SN7G10A Circuit Breaker Implemented in loadcentres, panelboards, switchboards, meter centres, and modular metering, the new QR breaker is the same form-factor/mounting as QJ breaker for easy retrofit. De...
Fujian, China
Circuit Breaker Finder Sf6 Switch Tester CB Analyzer
- Manufacturer: Gold
Circuit Breaker Finder Sf6 Switch Tester CB Analyzer Introduction: GDGK-306A High Voltage Circuit Breaker Finder Sf6 Switch Tester CB Analyzer takes the ARM7 unit for core to sample, process and output; the main ...
$4,000 USD
Chongqing, China
High Voltage Switch Dynamic Characteristics Circuit Breaker Testing Instrument
- Manufacturer: Gold
GDGK-306 High Voltage Switch Dynamic Characteristics Circuit Breaker Testing Instrument Product description: 1. GDGK-306 High Voltage Switch Dynamic Characteristics Testing Instrument is our company designed to m...
$3,000 USD
Chongqing, China
High-Voltage Switch Circuit Breaker Dynamic Characteristic Tester
- Manufacturer: Gold
GDGK-306 High-Voltage Switch Circuit Breaker Dynamic Characteristic Tester I ntroduction: GDGK-306 High-Voltage Switch Dynamic Characteristic Tester is our company designed to meet the need of testing High-Voltag...
$10 USD
Chongqing, China
Price Cheap Circuit Breaker Testing Equipment Sf6 Circuit Breakers
- Manufacturer: Gold
GDGK-307 Price Cheap Circuit Breaker Testing Equipment Sf6 Circuit Breakers Purpose: GDGK-307 Price Cheap Circuit Breaker Testing Equipment Sf6 Circuit Breaker is used for testing and analyzing high voltage circu...
Chongqing, China

Overview

Circuit breakers are essential safety devices that protect electrical circuits from damage caused by overloads or short circuits. They automatically interrupt the flow of electricity when a fault is detected, preventing potential fires and equipment damage. Circuit breakers are used in residential, commercial, and industrial settings to ensure electrical safety and reliability.

FAQ

What should I consider when buying a used circuit breaker?

Check the breaker’s amperage rating, compatibility with your electrical system, and overall condition. Ensure it has been tested and certified for safety.

How do I ensure the circuit breaker is shipped safely to my location?

Use a transport service that specializes in delicate electrical components. Ensure the breaker is well-packaged and cushioned to prevent damage during transit.

What is the maintenance schedule for a circuit breaker?

Regular maintenance includes visual inspections for signs of wear or damage, testing for proper operation, and cleaning any dust or debris from the breaker. Consult the manufacturer’s manual for detailed maintenance intervals.