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Circuit breaker Hager SBN490, 4-pole, rated current 100 A, IP20
Circuit breaker Hager SBN490, 4-pole, rated current 100 A, IP20
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Circuit breaker Hager SBN490, 4-pole, rated current 100 A, IP20
Leave your address - as soon as the price of the product goes down, you'll know about it right away
Circuit breaker Hager SBN490, 4-pole, rated current 100 A, IP20
Circuit breaker Hager SBN490, 4-pole, rated current 100 A, IP20
Hager SBN490 is a 4-pole circuit breaker with a rated current of 100 A and IP20 protection, designed for overcurrent and short-circuit protection in low-voltage electrical installations. The device is built for DIN-rail mounting and fits standard distribution boards, providing simultaneous switching and protection of all four poles. Its compact modular design and clear operating handle make it suitable for installations where 4-pole switching and a 100 A capacity are required.
The 4-pole configuration ensures coordinated disconnection of all conductors, reducing the risk of unbalanced phases and protecting three-phase circuits and neutral conductors at the same time. With a rated current of 100 A it covers higher feeder and main circuit protection needs while maintaining a modular footprint for space-efficient installation. IP20 protection provides basic contact and ingress protection appropriate for indoor distribution boards. The breaker’s DIN-rail compatibility and standard dimensions enable straightforward replacement or integration into existing switchgear.
Mount the circuit breaker on a compatible DIN-rail inside a protected distribution board, ensuring correct orientation and secure mechanical fastening. Connect supply and load conductors to the designated terminals following local wiring regulations and polarity/phase sequence requirements. Verify that the breaker rating matches the circuit design (100 A) and coordinate with upstream and downstream protective devices. After wiring, operate the handle to confirm smooth mechanical movement and perform appropriate insulation and trip tests as required by installation standards.
Use this 4-pole 100 A breaker in indoor distribution panels with adequate enclosure protection. Ensure coordination with other protective devices to achieve selective protection and consult applicable electrical installation standards for proper sizing and connection. Do not expose the device to moisture or install it outside rated indoor environments.
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