Showing 25-36 of 5,535 results

Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers, and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection. Littelfuse POWR-SPEED® PSR series products offer optimized circuit protection at the extremely fast speed required to protect modern day power conversion devices. Available in DIN43653 blade style termination with visual blown fuse indication standard on all fuses and optional micro-switch for external indication.
Contact for Pricing

These Premium Amp-trap French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior I²t for improved protection and performance. 690 Volts 10 amps 22x58 ferrule.
Contact for Pricing

The Mersen E330284 is a high-quality industrial component designed for demanding applications requiring reliability and durability. Engineered to meet stringent performance standards, this product ensures optimal operation in harsh environments. Trusted by professionals worldwide, Mersen's expertise in industrial solutions guarantees superior performance and longevity. Whether for manufacturing, energy, or automation, the E330284 delivers consistent results, making it an essential choice for industrial operations.
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*

Contact for Pricing

A13X Amp-trap Form 101 Semiconductor Protection fuses were designed for the specific protection of diodes and other semiconductor devices rated 130VAC. The A13X product line's compact design is perfect for those applications that have limitations on available space. 130 Volts 400 Amps type 4 connection.
Contact for Pricing

High Speed Fuse Amp-Trap® A70P 700VAC 650VDC 400A Bolted Blade TA Indicator
Contact for Pricing

Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Slotted Blades long
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*

Square Body High-Speed Fuse Protistor® NH Size 1 aR 690VAC IEC 700VAC UL 350A With Double indicator Plain Blades
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*

Contact for Pricing
Minimum Qty: 5
Multiplier: 5
*Contact for lower quantities*

Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs and other solid state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection. Littelfuse POWR-SPEED® PSR Series products offer optimized circuit protection at the extremely fast speed required to protect modern day power conversion devices. Such products are commonly found in numerous applications including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and various large factories and MRO facilities.
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*
These Premium Amp-trap French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior I²t for improved protection and performance. 690 Volts 12 amps.
Contact for Pricing

Contact for Pricing
Minimum Qty: 4
Multiplier: 4
*Contact for lower quantities*