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28

Used controllers/interfaces in germany

Siemens 5SY4 201-7 C1 2P Circuit Breaker, 400V. 4C-46
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$23 USD
Duncan, SC
Siemens 3RV2711-1DD10 Circuit Breaker w/8US1251-5DS10 Base Unit. 4F-48
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$72 USD
Duncan, SC
Siemens 5SY4302-7 Miniature Circuit Breaker, 400V. 4D-48
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$59 USD
Duncan, SC
Siemens LDK3B060 Circuit Breaker, 60A 220-690V. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$855 USD
Duncan, SC
Siemens 5SY4330-7 Miniature Circuit Breaker, 400V. 4D-48
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$178 USD
Duncan, SC
Siemens 3RV2031-4KA10 SIRIUS Circuit Breaker 62-73A Max 4D-44
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$162 USD
Duncan, SC
SIEMENS 5SY4350-5 CIRCUIT BREAKER, A50, 3 Pole, 400V. 4C-46
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$90 USD
Duncan, SC
SIEMENS LFK3B250 BREAKER, 250A 600Y/347V~250VDC THERMAL/MAGNETIC. 1-E7
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$4,050 USD
Duncan, SC
SIEMENS HCX3B040 CIRCUIT BREAKER, 40A, 220-690V. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$248 USD
Duncan, SC
Siemens NFK3B150 3-Pole Circuit Breaker, 150A, 220-690V. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$1,350 USD
Duncan, SC
SIEMENS LD3KB150 TYPE LDGB CIRCUIT BREAKER, 150A 3-POLE. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$720 USD
Duncan, SC
Siemens NFK3B250 Circuit Breaker, 250A, 3-Pole, 220-690V. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$1,665 USD
Duncan, SC
SIEMENS LFK3B250 CIRCUT BREAKER, 200A, 220-690V. 4E-39
- Manufacturer: Siemens
Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...
$2,565 USD
Duncan, SC

12

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.