Description

The L75QS series is a next generation high-speed fuse

for the protection of power semiconductor devices and is

designed in the traditional round body bolted style package.

L75QS series high-speed fuses rated at 750 V dc are

extremely current limiting and are used to protect power

converters, drives and control circuit applications. Designed

with lower I2t performance characteristics, these fuses

provide balanced performance to extend longevity while

lowering potentially damaging heat energy to the devices

being protected.

In addition L75QS series fuses have been designed with a

universal mounting option to meet customer requirements

for installation into a variety of application configurations.

Littelfuse POWR-SPEED products offer optimized circuit

protection at the extremely fast speed required to protect

modern day, sensitive, high-power semiconductor devices.

Features

Compliance with US and Canadian requirements

Traditional North American bolted style dimensions

750 V dc performance

Direct bus-bar mount or stud mount design

Halogen free, RoHS and REACH compliant

Applications

Power converters (inverters, rectifiers)

Power supplies, UPS

EV charging stations

Variable speed drives

Dc common bus

Specifications

Voltage Rating Dc: 750 V

Amperage Rating 35–800 A

Interrupting Rating Dc: 50 kA

Time Constant 10 ms

Material Body: Melamine

Caps: Copper Alloy

Approvals UL Recognized (E71611)

cURus (E71611)

Environmental RoHS compliant, REACH

Country of Origin Mexico

Operating Temperature -55 °C to +125 °C

Storage Temperature Up to 35 °C with relative humidity

L75QS040.V属于电路保护 > 电气专用保险丝。力特公司制造生产的L75QS040.V电气专用保险丝该系列产品用于过电流故障保护，其作用是防止电流超过所需最大值而导致设备内的导电元件损坏。这些保险丝与普通保险丝的区别在于以下几个因素之一：具有 UL248 标准下的非辅助性分类、在危险或爆炸性环境中使用的认证，或辅助性设备保护产品中不常见的外形尺寸，如具有指示功能或可熔电缆链路的保险丝和指定用于特定应用（例如电信电路或万用表的保护）的保险丝。