Siemens SIRIUS Circuit Protection Parts
Motor starter protectors, overload relays and miniature circuit breakers.
2,108 parts available
12-Month Warranty
Obsolete & Surplus Stock
Showing 1,901–2,000 of 2,108 SIRIUS Circuit Protection parts
5SY4204-8
Siemens 5SY4204-8 2-Pole Miniature Circuit Breaker, 4A, D-Curve.
5SY4206-6
Siemens 5SY4206-6 2-Pole Miniature Circuit Breaker, 6A, B-Curve.
5SY4206-7
Siemens 5SY4206-7 Miniature Circuit Breaker, 6A, 2-Pole.
5SY4206-8
Siemens 5SY4206-8 2-Pole Miniature Circuit Breaker, 6A, D-Curve.
5SY4208-7
Siemens 5SY4208-7 2-Pole Miniature Circuit Breaker, 8A, C-Curve.
5SY4208-8
Siemens 5SY4208-8 2-Pole Miniature Circuit Breaker, 8A, D-Curve.
5SY4210-5
Siemens 5SY4210-5 2-Pole Miniature Circuit Breaker, 10A, A-Curve.
5SY4210-6
Siemens 5SY4210-6 2-Pole Miniature Circuit Breaker, 10A, B-Curve.
5SY4210-7
Siemens 5SY4210-7 2-pole miniature circuit breaker, 10A, 400V, 10kA, Type C.
5SY4210-8
Siemens 5SY4210-8 2-pole miniature circuit breaker.
5SY4211-7
Siemens 5SY4211-7 2-pole miniature circuit breaker.
5SY4213-5
Siemens 5SY4213-5 2-pole miniature circuit breaker.
5SY4213-7
Siemens 5SY4213-7 2-pole miniature circuit breaker.
5SY4216-6
Siemens 5SY4216-6 2-pole miniature circuit breaker.
5SY4216-7
Siemens 5SY4216-7 2-pole miniature circuit breaker.
5SY4216-8
Siemens 5SY4216-8 2-pole miniature circuit breaker.
5SY4218-7
Siemens 5SY4218-7 2-pole miniature circuit breaker.
5SY4220-5
Siemens 5SY4220-5 2-pole miniature circuit breaker.
5SY4220-7
Siemens 5SY4220-7 2-pole miniature circuit breaker.
5SY4220-8
Siemens 5SY4220-8 2-pole miniature circuit breaker.
5SY4225-7
Siemens 5SY4225-7 2-pole miniature circuit breaker.
5SY4232-5
Siemens 5SY4232-5 2-pole miniature circuit breaker.
5SY4232-8
Siemens 5SY4232-8 2-pole miniature circuit breaker.
5SY4240-7
Siemens 5SY4240-7 2-pole miniature circuit breaker.
5SY4250-7
Siemens 5SY4250-7 2-pole miniature circuit breaker.
5SY4263-7
Siemens 5SY4263-7 2-pole miniature circuit breaker.
5SY4280-6
Siemens 5SY4280-6 2-pole miniature circuit breaker.
5SY42C2
Siemens 5SY42C2 2-pole miniature circuit breaker.
5SY4301-7
Siemens 5SY4301-7 3-pole miniature circuit breaker.
5SY4302-6
Siemens 5SY4302-6 3-pole miniature circuit breaker.
5SY4302-7
Siemens 5SY4302-7 3-pole miniature circuit breaker.
5SY4303-7
Siemens 5SY4303-7 3-pole miniature circuit breaker.
5SY4304-7
Siemens 5SY4304-7 3-pole miniature circuit breaker.
5SY4304-8
Siemens 5SY4304-8 Miniature Circuit Breaker
5SY4305-7
Siemens 5SY4305-7 Miniature Circuit Breaker
5SY4306-5
Siemens 5SY4306-5 Miniature Circuit Breaker
5SY4306-6
Siemens 5SY4306-6 Miniature Circuit Breaker
5SY4306-7
Siemens 5SY4306-7 Miniature Circuit Breaker
5SY4306-8
Siemens 5SY4306-8 Miniature Circuit Breaker
5SY4308-7
Siemens 5SY4308-7 Miniature Circuit Breaker
5SY4310-5
Siemens 5SY4310-5 Miniature Circuit Breaker
5SY4310-6
Siemens 5SY4310-6 Miniature Circuit Breaker, 3-Pole, 10A, B Curve
5SY4310-7
Siemens 5SY4310-7 Miniature Circuit Breaker, 3-Pole, 10A, C Curve
5SY4310-8
Siemens 5SY4310-8 Miniature Circuit Breaker, 3-Pole, 10A, D Curve
5SY4313-7
Siemens 5SY4313-7 Miniature Circuit Breaker, 3-Pole, 13A, C Curve
5SY4313-8
Siemens 5SY4313-8 Miniature Circuit Breaker, 3-Pole, 13A, D Curve
5SY4316-6
Siemens 5SY4316-6 Miniature Circuit Breaker, 3-Pole, 16A, B Curve
5SY4316-7
Siemens 5SY4316-7 Miniature Circuit Breaker, 3-Pole, 16A, C Curve
5SY4318-7
Siemens 5SY4318-7 Miniature Circuit Breaker, 3-Pole, 15A, C Curve
5SY4320-6
Siemens 5SY4320-6 3-pole miniature circuit breaker.
5SY4320-7
Siemens 5SY4320-7 3-pole C-curve miniature circuit breaker.
5SY4320-8
Siemens 5SY4320-8 3-pole D-curve miniature circuit breaker.
5SY4325-6
Siemens 5SY4325-6 3-pole B-curve miniature circuit breaker.
5SY4325-7
Siemens 5SY4325-7 3-pole C-curve miniature circuit breaker.
5SY4332-5
Siemens 5SY4332-5 3-pole A-curve miniature circuit breaker.
5SY4332-7
Siemens 5SY4332-7 3-pole C-curve miniature circuit breaker.
5SY4340-7
Siemens 5SY4340-7 3-pole C-curve miniature circuit breaker.
5SY4340-8
Siemens 5SY4340-8 3-pole Miniature Circuit Breaker, 40A.
5SY4350-7
Siemens 5SY4350-7 3-pole Miniature Circuit Breaker, 50A.
5SY4350-8
Siemens 5SY4350-8 3-pole Miniature Circuit Breaker, 50A.
5SY4360-7
Siemens 5SY4360-7 3-pole Miniature Circuit Breaker, 60A.
5SY4363-7
Siemens 5SY4363-7 3-pole Miniature Circuit Breaker, 63A.
5SY4363-8
Siemens 3-pole Miniature Circuit Breaker, 400V, 10kA, Type D, 63A.
5SY4380-7
Siemens 5SY4380-7 3-pole Miniature Circuit Breaker, 80A.
5SY4432-7
Siemens 5SY4432-7 4-pole Miniature Circuit Breaker, 32A.
5SY4432-8
Siemens 5SY4432-8 4-pole Miniature Circuit Breaker, 32A.
5SY4502-7
Siemens 5SY4502-7 Miniature Circuit Breaker - 2A, 1+N-Pole, C-Curve
5SY4505-8
Siemens 5SY4505-8 Miniature Circuit Breaker: 230V, 0.5A, 1+N pole.
5SY4506-7
Siemens 5SY4506-7 Miniature Circuit Breaker - 6A, 1+N-Pole, C-Curve
5SY4510-7
Siemens 5SY4510-7 Miniature Circuit Breaker - 10A, 1+N-Pole, C-Curve
5SY4516-7
Siemens 5SY4516-7 Miniature Circuit Breaker - 16A, 1+N-Pole, C-Curve
5SY4516-8
Siemens 5SY4516-8 Miniature Circuit Breaker
5SY4520-7
Siemens 5SY4520-7 Miniature Circuit Breaker - 20A, 1+N-Pole, C-Curve
5SY4625-7
Siemens 5SY4625-7 Miniature Circuit Breaker - 25A, 3+N-Pole, C-Curve
5SY5101-7
Siemens 5SY5101-7 Universal Current Circuit Breaker - 1A, 1-Pole, C-Curve
5SY5102-7
Siemens 5SY5102-7 Universal Current Circuit Breaker - 2A, 1-Pole, C-Curve
5SY5103-7
Siemens 5SY5103-7 Miniature Circuit Breaker: 1-pole, C-curve, 3A.
5SY5104-6
Siemens 5SY5104-6 Miniature Circuit Breaker: 1-pole, B-curve, 4A.
5SY5104-7
Siemens 5SY5104-7 Miniature Circuit Breaker: 1-pole, C-curve, 4A.
5SY5105-7
Siemens 5SY5105-7 Miniature Circuit Breaker: 1-pole, C-curve, 0.5A.
5SY5106-7
Siemens 5SY5106-7 Miniature Circuit Breaker: 1-pole, C-curve, 6A.
5SY5110-7
Siemens 5SY5110-7 Miniature Circuit Breaker: 1-pole, C-curve, 10A.
5SY5116-7
Siemens 5SY5116-7 Miniature Circuit Breaker: 1-pole, C-curve, 16A.
5SY5120-7
Siemens 5SY5120-7 Miniature Circuit Breaker: 1-pole, C-curve, 20A.
5SY5201-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5202-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5203-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5204-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5206-6
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5206-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5210-6
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5210-7
Siemens 5SY Series 2-pole Miniature Circuit Breaker
5SY5216-6
Siemens 5SY5216-6 2-pole Miniature Circuit Breaker
5SY5216-7
Siemens 5SY5216-7 2-pole Miniature Circuit Breaker
5SY5220-7
Siemens 5SY5220-7 2-pole Miniature Circuit Breaker
5SY5225-6
Siemens 5SY5225-6 2-pole Miniature Circuit Breaker
5SY5225-7
Siemens 5SY5225-7 2-pole Miniature Circuit Breaker
5SY5232-7
Siemens 5SY5232-7 2-pole Miniature Circuit Breaker
5SY6 104-8
Siemens 5SY6 104-8 1-pole Miniature Circuit Breaker
5SY6 201 8
Siemens 5SY6 201 8 2-pole Miniature Circuit Breaker
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