Bussmann
Bussmann LPN-RK-200SPI fuse RK1 200A 250V time-delay indicating
A 200 A, 250 V Class RK1 time-delay fuse with indicating blade body and 100 kA DC / 300 kA AC interrupt rating
- 200 A rating supports heavy-duty circuits
- 250 V AC/DC rating suits industrial voltage levels
- 300 kA AC interrupt rating handles severe fault currents
- 100 kA DC interrupt rating protects DC systems
- Time-delay and indicating design prevents nuisance trips and aids fault location
200 A RK1 time-delay fuse
This 200 A, 250 V RK1 fuse provides branch-circuit protection for industrial and commercial equipment. The time-delay characteristic withstands motor inrush and transformer magnetising currents without nuisance opening. A built-in indicator gives immediate visual confirmation when the element has blown. It fits rejection-style fuse blocks that accept the LPN-RK-SPI series.
100 kA DC and 300 kA AC interrupt rating
The fuse interrupts up to 100 kA at 250 V DC and 300 kA at 250 V AC, covering most mains-fed panels and DC bus applications. At 200 A it handles sustained loads and typical overloads, but it will not protect circuits that require a higher ampere rating or a voltage above 250 V. Coordination with downstream devices should be verified for each installation.
Indicating blade body for rejection blocks
The melamine blade body includes a pop-up indicator that shows fuse status at a glance, reducing troubleshooting time during maintenance. It mounts directly in compatible HM250 and RM250 series fuse blocks without adapters. The dual-element construction adds no extra wiring or software; the indication is purely mechanical.
Highlights
- 200 A rating supports heavy-duty circuits
- 250 V AC/DC rating suits industrial voltage levels
- 300 kA AC interrupt rating handles severe fault currents
- 100 kA DC interrupt rating protects DC systems
- Time-delay and indicating design prevents nuisance trips and aids fault location
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
Will the LPN-RK-200SPI coordinate with the older 100 A RK1 fuses already in my panel?
The 200 A RK1 fuse has a higher current rating, so it will not open before the 100 A units; selective coordination depends on the time-current curves of both series.
How can I confirm the indicating feature on the LPN-RK-200SPI has activated after a fault?
The built-in indicator provides a visible signal when the element melts, letting you identify the open fuse without a meter.
Does the LPN-RK-200SPI come with a compatible fuse block or must I buy the HM250 or RM250 series separately?
The fuse fits HM250 and RM250 rejection-style blocks, which are sold separately; no block is included in the package.
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