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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)
5SL4225-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 25 A, DIN rail, 5SL4225-8
Order No.:
 27H6467
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4225-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 100.56 € *
1 pcs.
100.555 €
circuit breaker
2 pole
D
25 A
72 V
440 V
DIN rail
IP20
5SL4232-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 32 A, DIN rail, 5SL4232-6
Order No.:
 27H6468
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4232-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 72.09 € *
1 pcs.
72.0902 €
circuit breaker
2 pole
B
32 A
72 V
440 V
DIN rail
IP20
5SL4232-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 32 A, DIN rail, 5SL4232-7
Order No.:
 27H6469
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4232-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 100.15 € *
1 pcs.
100.1504 €
circuit breaker
2 pole
C
32 A
72 V
440 V
DIN rail
IP20
5SL4232-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 32 A, DIN rail, 5SL4232-8
Order No.:
 27H6470
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4232-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 115.98 € *
1 pcs.
115.9774 €
circuit breaker
2 pole
D
32 A
72 V
440 V
DIN rail
IP20
5SL4240-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 40 A, DIN rail, 5SL4240-6
Order No.:
 27H6471
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4240-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 88.06 € *
1 pcs.
88.06 €
circuit breaker
2 pole
B
40 A
72 V
440 V
DIN rail
IP20
5SL4240-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 40 A, DIN rail, 5SL4240-7
Order No.:
 27H6472
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4240-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 115.98 € *
1 pcs.
115.9774 €
circuit breaker
2 pole
C
40 A
72 V
440 V
DIN rail
IP20
5SL4240-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 40 A, DIN rail, 5SL4240-8
Order No.:
 27H6473
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4240-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 141.13 € *
1 pcs.
141.134 €
circuit breaker
2 pole
D
40 A
72 V
440 V
DIN rail
IP20
5SL4250-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 50 A, DIN rail, 5SL4250-6
Order No.:
 27H6474
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4250-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 103.01 € *
1 pcs.
103.0064 €
circuit breaker
2 pole
B
50 A
72 V
440 V
DIN rail
IP20
5SL4250-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 50 A, DIN rail, 5SL4250-7
Order No.:
 27H6475
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4250-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 144.37 € *
1 pcs.
144.3708 €
circuit breaker
2 pole
C
50 A
72 V
440 V
DIN rail
IP20
5SL4250-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 50 A, DIN rail, 5SL4250-8
Order No.:
 27H6476
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4250-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 174.37 € *
1 pcs.
174.3707 €
circuit breaker
2 pole
D
50 A
72 V
440 V
DIN rail
IP20
5SL4263-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 63 A, DIN rail, 5SL4263-6
Order No.:
 27H6477
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4263-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 121.67 € *
1 pcs.
121.6656 €
circuit breaker
2 pole
B
63 A
72 V
440 V
DIN rail
IP20
5SL4263-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 63 A, DIN rail, 5SL4263-7
Order No.:
 27H6478
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4263-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 168.69 € *
1 pcs.
168.6944 €
circuit breaker
2 pole
C
63 A
72 V
440 V
DIN rail
IP20
5SL4263-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 63 A, DIN rail, 5SL4263-8
Order No.:
 27H6479
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4263-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 193.47 € *
1 pcs.
193.4702 €
circuit breaker
2 pole
D
63 A
72 V
440 V
DIN rail
IP20
5SL4301-6 Siemens Circuit Protectors
Circuit breaker, 3 pole, B Curve, 1 A, DIN rail, 5SL4301-6
Order No.:
 27H6480
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4301-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 70.21 € *
1 pcs.
70.2100 €
circuit breaker
3 pole
B
1 A
72 V
440 V
DIN rail
IP20
5SL4301-7 Siemens Circuit Protectors
Circuit breaker, 3 pole, C Curve, 1 A, DIN rail, 5SL4301-7
Order No.:
 27H6481
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4301-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 101.14 € *
1 pcs.
101.1381 €
circuit breaker
3 pole
C
1 A
440 V
DIN rail
IP20
5SL4301-8 Siemens Circuit Protectors
Circuit breaker, 3 pole, D Curve, 1 A, DIN rail, 5SL4301-8
Order No.:
 27H6482
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4301-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 148.44 € *
1 pcs.
148.4406 €
circuit breaker
3 pole
D
1 A
440 V
DIN rail
IP20
5SL4302-6 Siemens Circuit Protectors
Circuit breaker, 3 pole, B Curve, 2 A, DIN rail, 5SL4302-6
Order No.:
 27H6483
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4302-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 70.21 € *
1 pcs.
70.2100 €
circuit breaker
3 pole
B
2 A
72 V
440 V
DIN rail
IP20
5SL4302-7 Siemens Circuit Protectors
Circuit breaker, 3 pole, C Curve, 2 A, DIN rail, 5SL4302-7
Order No.:
 27H6484
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4302-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 101.14 € *
1 pcs.
101.1381 €
circuit breaker
3 pole
C
2 A
72 V
440 V
DIN rail
IP20
5SL4302-8 Siemens Circuit Protectors
Circuit breaker, 3 pole, D Curve, 2 A, DIN rail, 5SL4302-8
Order No.:
 27H6485
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4302-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 148.44 € *
1 pcs.
148.4406 €
circuit breaker
3 pole
D
2 A
440 V
DIN rail
IP20
5SL4303-6 Siemens Circuit Protectors
Circuit breaker, 3 pole, B Curve, 3 A, DIN rail, 5SL4303-6
Order No.:
 27H6486
Manufacturer:
 Siemens
Manufacturer SKU:
 5SL4303-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 70.21 € *
1 pcs.
70.2100 €
circuit breaker
3 pole
B
3 A
72 V
440 V
DIN rail
IP20
1 ...
88
89
90
... 440
*incl. VAT plus shipping costs
Subject to prior sale
Images may differ

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.