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Circuit Breakers
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5sy 1 pole primary

Model 5SY4 Supplementary Protectors

70 mm mounting depth. All 5SY4 designs have been approved acc. to UL 1077 and CSA 22.2 No. 235-M 89 and can therefore be used as “supplementary protectors” for applications of up to 277 VAC.

5sj primary

1 Pole 5SJ41 Miniature Branch Circuit Protector

 (63)

All new 5SJ41 miniature circuit breakers are designed to comply with UL489 branch circuit ratings. They are used in applications up to 240 VAC                  and 60 VDC.  Interrupting ratings up to 14K AIC.  Refer to Technical Data in the PDF brochure  for additional information.


Find product PDF download on the item detail page, by clicking on any part number.



ED-Frame-Circuit-Breaker-picture-92k

ED 125A Frame Sentron Series Circuit Breakers

5SJ42-HG

Model 5SJ42-HG Miniature Circuit Breakers

UL standards are used in North America, but also in several other countries. This is of particular importance to European exporters of electrical switchgear equipment for machines who export to the USA, as their products will only be accepted if they meet the relevant UL standards.

A wide range of BETA devices comply with UL standards and are therefore suitable for implementation worldwide in both IEC/EN and UL applications within the framework of their specified use.

Miniature circuit breakers certified to UL 489 permit use as an all-round solution for protection tasks in distribution boards, control cabinets and control systems to UL 508A as "branch protectors". In particular, they are also certified for the protection of electrical circuits in heating, ventilating and cooling systems (HVAC), as well as for DC applications up to 60 V/125 V in the area of telecommunication applications. A busbar system enables fast and simple installation in the assembly.
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