Bourns expands high-power fuse family

Bourns, Inc. has expanded its POWrFuse high-power fuse product family with five new families. The PF-F and PF-M series are high-power-rated industrial fuse links designed to meet the UL 248-13 semiconductor (aR) standard. The industrial PF-G, PF-J, and PF-H (Ind) series are designed to meet the requirements of UL 248-14 while the PF-G (90 A) also meets the UL 248-1 standard. These capabilities help protect systems from extreme ambient temperatures and fault current events, making the devices suited for a variety of home appliance and industrial applications.

PF-F and PF-M series of high-power fuses. Click for a larger image. (Source: Bourns Inc.)

The PF-F series features 800 VAC/VDC voltage, power ratings from 50-400 A, and up to a 100 kA @ 800 VAC and 50 kA @ 800 VDC interrupting rating. The PF-M series provides 240 VAC/150 VDC voltage, power ratings from 50-180 A and up to a 160 kA @ 240 VAC and 50 kA @ 150 VDC interrupting rating. These high-power fuses protect sensitive power semiconductor devices against overcurrent events in a variety of power inverters, converters, rectifiers, AC/DC drives, UPS systems, and reduced voltage motor starters. Both series are bolt mounted.

PF-G, PF-J, and PF-H (Ind) series of high-power fuses. Click for a larger image. (Source: Bourns Inc.)

The PF-G series offers 500 VAC (90 A) and 600 VAC (63 A) ratings, and up to a 2-kA interrupting rating. The PF-H series (Ind) features up to a 12-A current rating with up to a 100-kA interrupting rating and is available in ferrule or PCB mounting options. The PF-J series delivers 30 to 70 A/ 500 VAC ratings and up to a 2-kA interrupting rating.

All five series feature fast-acting protection under fault current, low resistance, and low power loss. The operating temperature range is -55°C to 125°C across all devices. They are also RoHS compliant and halogen free.