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Circuit Protectors

239 items in 8,790 variations
*incl. VAT plus shipping costs
Item description
Total
Price list
Product type
Version
Pin number
Tripping characteristics
Rated current
Rated Voltage
Rated voltage (DC)
Rated voltage (AC)
Assembly
Degree of protection (IP)
5SY4503-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 3 A, DIN rail, 5SY4503-7
Order No.:
 27H7303
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4503-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 60.44 € *
1 pcs.
60.4401 €
circuit breaker
2 pole
C
3 A
72 V
DIN rail
IP20
5SY4503-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 3 A, DIN rail, 5SY4503-8
Order No.:
 27H7304
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4503-8
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 73.65 € *
1 pcs.
73.6491 €
circuit breaker
2 pole
D
3 A
72 V
DIN rail
IP20
5SY4504-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 4 A, DIN rail, 5SY4504-5
Order No.:
 27H7305
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4504-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 88.37 € *
1 pcs.
88.3694 €
circuit breaker
2 pole
A
4 A
72 V
DIN rail
IP20
5SY4504-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 4 A, DIN rail, 5SY4504-6
Order No.:
 27H7306
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4504-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 44.47 € *
1 pcs.
44.4703 €
circuit breaker
2 pole
B
4 A
72 V
DIN rail
IP20
5SY4504-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 4 A, DIN rail, 5SY4504-7
Order No.:
 27H7307
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4504-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 60.44 € *
1 pcs.
60.4401 €
circuit breaker
2 pole
C
4 A
72 V
DIN rail
IP20
5SY4504-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 4 A, DIN rail, 5SY4504-8
Order No.:
 27H7308
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4504-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 73.65 € *
1 pcs.
73.6491 €
circuit breaker
2 pole
D
4 A
72 V
DIN rail
IP20
5SY4505-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 0.5 A, DIN rail, 5SY4505-7
Order No.:
 27H7309
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4505-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 60.44 € *
1 pcs.
60.4401 €
circuit breaker
2 pole
C
0.5 A
DIN rail
IP20
5SY4505-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 0.5 A, DIN rail, 5SY4505-8
Order No.:
 27H7310
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4505-8
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 73.65 € *
1 pcs.
73.6491 €
circuit breaker
2 pole
D
0.5 A
DIN rail
IP20
5SY4506-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 6 A, DIN rail, 5SY4506-5
Order No.:
 27H7311
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4506-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 88.37 € *
1 pcs.
88.3694 €
circuit breaker
2 pole
A
6 A
72 V
DIN rail
IP20
5SY4506-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 6 A, DIN rail, 5SY4506-6
Order No.:
 27H7312
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4506-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 44.47 € *
1 pcs.
44.4703 €
circuit breaker
2 pole
B
6 A
72 V
DIN rail
IP20
5SY4506-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 6 A, DIN rail, 5SY4506-7
Order No.:
 27H7313
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4506-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 60.44 € *
1 pcs.
60.4401 €
circuit breaker
2 pole
C
6 A
72 V
DIN rail
IP20
5SY4506-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 6 A, DIN rail, 5SY4506-8
Order No.:
 27H7314
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4506-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 73.65 € *
1 pcs.
73.6491 €
circuit breaker
2 pole
D
6 A
72 V
DIN rail
IP20
5SY4508-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 8 A, DIN rail, 5SY4508-5
Order No.:
 27H7315
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4508-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 88.37 € *
1 pcs.
88.3694 €
circuit breaker
2 pole
A
8 A
72 V
DIN rail
IP20
5SY4508-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 8 A, DIN rail, 5SY4508-7
Order No.:
 27H7316
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4508-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 60.44 € *
1 pcs.
60.4401 €
circuit breaker
2 pole
C
8 A
72 V
DIN rail
IP20
5SY4508-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 8 A, DIN rail, 5SY4508-8
Order No.:
 27H7317
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4508-8
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 73.65 € *
1 pcs.
73.6491 €
circuit breaker
2 pole
D
8 A
72 V
DIN rail
IP20
5SY4510-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 10 A, DIN rail, 5SY4510-5
Order No.:
 27H7318
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4510-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 78.02 € *
1 pcs.
78.0164 €
circuit breaker
2 pole
A
10 A
72 V
DIN rail
IP20
5SY4510-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 10 A, DIN rail, 5SY4510-6
Order No.:
 27H7319
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4510-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 39.54 € *
1 pcs.
39.5437 €
circuit breaker
2 pole
B
10 A
72 V
DIN rail
IP20
5SY4510-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 10 A, DIN rail, 5SY4510-7
Order No.:
 27H7320
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4510-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 53.35 € *
1 pcs.
53.3477 €
circuit breaker
2 pole
C
10 A
72 V
DIN rail
IP20
5SY4510-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 10 A, DIN rail, 5SY4510-8
Order No.:
 27H7321
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4510-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 65.01 € *
1 pcs.
65.0097 €
circuit breaker
2 pole
D
10 A
72 V
DIN rail
IP20
5SY4513-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 13 A, DIN rail, 5SY4513-5
Order No.:
 27H7322
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4513-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 78.02 € *
1 pcs.
78.0164 €
circuit breaker
2 pole
A
13 A
72 V
DIN rail
IP20
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*incl. VAT plus shipping costs
Subject to prior sale
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Buying circuit protectors

Circuit protectors are essential components in electrical circuits that not only protect against overloading and short circuits, but also ensure the integrity and longevity of electrical systems. They act as automatic circuit breakers that interrupt the flow of current as soon as the energy flowing through exceeds a defined value.

This protective property makes circuit breakers indispensable components in numerous areas of application that require a reliable power supply and protection against electrical malfunctions. They are therefore typically used in household and industrial electronics, power distribution and building technology.

Reliable circuit breakers at Bürklin Elektronik

In the Bürklin Elektronik online shop, you will find a wide range of circuit breakers designed for a wide variety of requirements and protection classes. From simple devices for the home to highly complex systems for industrial applications - filter easily by number of poles, tripping characteristics, protection class and installation!

Our range includes products from leading manufacturers that are known for their high quality, reliability and durability. We also provide expert advice and technical support to help you select the right electromechanical fuse for your project.