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Circuit Protectors

95 items in 7,489 variations
*incl. VAT plus shipping costs
Item description
Total
Price list
Product type
Pin number
Tripping characteristics
Rated current
Rated Voltage
Rated voltage (DC)
Rated voltage (AC)
Assembly
Degree of protection (IP)
Version
5SY4232-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 32 A, DIN rail, 5SY4232-6
Order No.:
 27H7135
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4232-6
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 72.26 € *
1 pcs.
72.2568 €
circuit breaker
2 pole
B
32 A
72 V
DIN rail
IP20
5SY4232-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 32 A, DIN rail, 5SY4232-7
Order No.:
 27H7136
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4232-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 94.89 € *
1 pcs.
94.8906 €
circuit breaker
2 pole
C
32 A
72 V
DIN rail
IP20
5SY4232-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 32 A, DIN rail, 5SY4232-8
Order No.:
 27H7137
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4232-8
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
DIN rail
IP20
5SY4235-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 35 A, DIN rail, 5SY4235-7
Order No.:
 27H7138
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4235-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 104.61 € *
1 pcs.
104.6129 €
circuit breaker
2 pole
C
35 A
72 V
DIN rail
IP20
5SY4240-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 40 A, DIN rail, 5SY4240-5
Order No.:
 27H7139
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4240-5
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 167.40 € *
1 pcs.
167.3973 €
circuit breaker
2 pole
A
40 A
72 V
DIN rail
IP20
5SY4240-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 40 A, DIN rail, 5SY4240-6
Order No.:
 27H7140
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4240-6
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
DIN rail
IP20
5SY4240-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 40 A, DIN rail, 5SY4240-7
Order No.:
 27H7141
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4240-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 115.16 € *
1 pcs.
115.1563 €
circuit breaker
2 pole
C
40 A
72 V
DIN rail
IP20
5SY4240-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 40 A, DIN rail, 5SY4240-8
Order No.:
 27H7142
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4240-8
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 139.50 € *
1 pcs.
139.5037 €
circuit breaker
2 pole
D
40 A
72 V
DIN rail
IP20
5SY4245-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 45 A, DIN rail, 5SY4245-7
Order No.:
 27H7143
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4245-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 144.37 € *
1 pcs.
144.3708 €
circuit breaker
2 pole
C
45 A
72 V
DIN rail
IP20
5SY4250-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 50 A, DIN rail, 5SY4250-5
Order No.:
 27H7144
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4250-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 198.21 € *
1 pcs.
198.2064 €
circuit breaker
2 pole
A
50 A
72 V
DIN rail
IP20
5SY4250-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 50 A, DIN rail, 5SY4250-6
Order No.:
 27H7145
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4250-6
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 102.19 € *
1 pcs.
102.1853 €
circuit breaker
2 pole
B
50 A
72 V
DIN rail
IP20
5SY4250-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 50 A, DIN rail, 5SY4250-7
Order No.:
 27H7146
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4250-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 141.94 € *
1 pcs.
141.9432 €
circuit breaker
2 pole
C
50 A
72 V
DIN rail
IP20
5SY4250-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 50 A, DIN rail, 5SY4250-8
Order No.:
 27H7147
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4250-8
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 165.17 € *
1 pcs.
165.1720 €
circuit breaker
2 pole
D
50 A
72 V
DIN rail
IP20
5SY4260-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 60 A, DIN rail, 5SY4260-7
Order No.:
 27H7148
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4260-7
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 155.72 € *
1 pcs.
155.7234 €
circuit breaker
2 pole
C
60 A
72 V
DIN rail
IP20
5SY4263-5 Siemens Circuit Protectors
Circuit breaker, 2 pole, A Curve, 63 A, DIN rail, 5SY4263-5
Order No.:
 27H7149
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4263-5
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 231.24 € *
1 pcs.
231.2408 €
circuit breaker
2 pole
A
63 A
72 V
DIN rail
IP20
5SY4263-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 63 A, DIN rail, 5SY4263-6
Order No.:
 27H7150
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4263-6
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 120.02 € *
1 pcs.
120.0234 €
circuit breaker
2 pole
B
63 A
72 V
DIN rail
IP20
5SY4263-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 63 A, DIN rail, 5SY4263-7
Order No.:
 27H7151
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4263-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 167.90 € *
1 pcs.
167.8971 €
circuit breaker
2 pole
C
63 A
72 V
DIN rail
IP20
5SY4263-8 Siemens Circuit Protectors
Circuit breaker, 2 pole, D Curve, 63 A, DIN rail, 5SY4263-8
Order No.:
 27H7152
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4263-8
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 192.71 € *
1 pcs.
192.7086 €
circuit breaker
2 pole
D
63 A
72 V
DIN rail
IP20
5SY4280-6 Siemens Circuit Protectors
Circuit breaker, 2 pole, B Curve, 80 A, DIN rail, 5SY4280-6
Order No.:
 27H7153
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4280-6
Standard delivery time from the manufacturer is: 5 Weeks
Total Price: 173.59 € *
1 pcs.
173.5853 €
circuit breaker
2 pole
B
80 A
72 V
DIN rail
IP20
5SY4280-7 Siemens Circuit Protectors
Circuit breaker, 2 pole, C Curve, 80 A, DIN rail, 5SY4280-7
Order No.:
 27H7154
Manufacturer:
 Siemens
Manufacturer SKU:
 5SY4280-7
Standard delivery time from the manufacturer is: 3 Weeks
Total Price: 195.77 € *
1 pcs.
195.7669 €
circuit breaker
2 pole
C
80 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.