Datasheet > 1505R1BI8.25

1505R1BI8.25

更新时间： 2024-11-07 13:45:11

品牌	Logo	应用领域
力特 - LITTELFUSE		电机控制器过载保护继电器
页数	文件大小	规格书
10页	564K
描述
“R” 级保险丝为中等电压电机、电机控制器和相关电路提供必需的短路保护。这些组件吸收大短路电流的能力有限。中等电压电机控制器带有一个过载继电器，可为电机提供过载保护和锁定转子保护。控制器还可

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1505R1BI8.25 数据手册

POWR-GARD^®Fuse Datasheet

MEDIUM VOLTAGE FUSES

2,400-38,000 VAC • Current-Limiting

Current-limiting E- and R-rated

fuses are equipped with a

mechanical indicator or striker pin

that protrudes through the fuse

cap upon operation of the fuse.

This provides visual identiﬁcation

of a blown fuse and can be used

as a trigger for external devices.

Note: Extension distance ¹2” minimum;

extension force 2 lb. minimum.

General Information

The terms “Medium Voltage” and “High Voltage” have been

used interchangeably by many people to describe fuses

operating above 600 volts. Technically speaking, medium

voltage fuses are those intended for the voltage range from

2,400 to 38,000 Vac. High voltage fuses are for circuits

carrying voltages greater than 38,000 Vac.

E-rated fuses are considered to be general purpose fuses

and can be used to protect against low and high values

of fault current. R-rated fuses are designed for back-up

protection. They must be used in series with other devices

such as motor overload relays in order to achieve both

overload and short-circuit protection.

Description

Littelfuse^®offers a selection of E- and R-rated medium

voltage fuses for the protection of transformers, potential

transformers, feeders, and motor circuits. Single, double,

and triple barrel designs are available to cover a wide range

of current, voltage, and interrupting ratings. Conventional

ferrule type, clip lock, and bolt-in mounting conﬁgurations

are available for virtually any application. Hermetically sealed

fuses for use in hazardous environments are also offered.

Medium voltage fuses are not intended to provide overload

protection in the same sense as fuses rated 600 volts or

less. Medium voltage fuse current ratings do not have the

same meanings as the ampere ratings of low voltage fuses.

All medium voltage fuses are limited in their ability to

interrupt low value overcurrents, especially those between

100% and 200% of the fuse’s continuous current rating.

They are designed to carry their rated current without

exceeding the temperature rise permitted by NEMA and

ANSI standards.

Contact the factory or your local Littelfuse representative for

additional fuse ratings or custom mounting conﬁgurations.

24-Hour Emergency Service - Call 800-227-0029

Applications

• PowerTransformer Protection

• PotentialTransformer Protection

• Motor Controller Back-up Protection

• Fused Switches

• Feeder Circuits

Bolt-in Mount Fuses

Rev: 063014

1 of 10

littelfuse.com

12 3 4 5 6 7...10

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与1505R1BI8.25相关器件

型号	品牌	获取价格	描述	数据表
150-5R-1BI-8.25	LITTELFUSE	获取价格	Medium Voltage Fuses
1505R1C2.75	LITTELFUSE	获取价格	MEDIUM VOLTAGE FUSES 2,400-38,000 VAC Current-Limiting
150-5R-1C-2.75	LITTELFUSE	获取价格	Medium Voltage Fuses
1505R1C2.75S	LITTELFUSE	获取价格	“R” 级保险丝为中等电压电机、电机控制器和相关电路提供必需的短路保护。这些组件吸收大短
1505R1C2.75SW	LITTELFUSE	获取价格	“R” 级保险丝为中等电压电机、电机控制器和相关电路提供必需的短路保护。这些组件吸收大短
1505R1C2.75W	LITTELFUSE	获取价格	“R” 级保险丝为中等电压电机、电机控制器和相关电路提供必需的短路保护。这些组件吸收大短
150-5R-1C-2.75W	LITTELFUSE	获取价格	Electric Fuse, Medium Blow, 150A, 2750VAC, 390A (IR), Inline/holder,
1505R1C3.8	LITTELFUSE	获取价格	“R” 级保险丝为中等电压电机、电机控制器和相关电路提供必需的短路保护。这些组件吸收大短
1505R1C5.5	LITTELFUSE	获取价格	ELECTRIC FUSE
150-5R-1C-5.5	LITTELFUSE	获取价格	Medium Voltage Fuses

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