The BP/FRN‑R‑40ID is a Fusetron dual‑element, current‑limiting, time‑delay Class RK5 fuse designed for demanding motor and power distribution applications. It includes easyID indication, which darkens when the fuse has opened, making troubleshooting fast and accurate.
Key Features
40 Amp, 250 Volt time‑delay fuse, suitable for AC distribution systems.
Dual‑element Fusetron design allows higher overload tolerance and motor inrush capability without nuisance tripping.
EasyID blown‑fuse indication strip shows open‑fuse status instantly.
Current‑limiting Class RK5 performance, offering enhanced short‑circuit protection and selective coordination.
Time‑delay rating: 10 seconds minimum at 500% of rated current, suitable for motor startups and transformer energizing.
Package contains 2 fuse cartridges (2/CD).
Specifications
Amperage: 40A
Voltage Rating: 250 Vac / 125 Vdc
Interrupting Rating:
200 kAIC at 250 Vac
20 kAIC at 125 Vdc
Fuse Class: RK5
Construction: Ferrule‑end × ferrule‑end; cylindrical body (approx. 3 in × 0.81 in)
Response Time:
10 seconds at 500% (for 40A rating)
Applications
Suitable for:
Motor branch circuits and motor control centers
Combination starters and machinery disconnects
Power panelboards and distribution equipment
Transformers, heating, and lighting loads
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BrandBussmann Corporation
Amperage Rating40 A
BodyStyleRejection Cylindrical
ClassRK5
Element TypeDual
Indicating/Non-IndicatingNon-Indicating
Interrupt Rating200 kAIC at 250 VAC, 20 kAIC 125 VDC