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Special Purpose Fuses

Cable Limiters

600 Volts AC

Cable limiters are fusible devices that provide very fast short-circuit

protection, primarily to faulted cables, but also to other conductors such

as busway. Cable limiters do not have an ampere rating, and cannot be

used to provide overload protection. They are instead selected by cable

size; for example, a 500 kcmil cable requires a 500 kcmil cable limiter.

Their main use is to isolate faulted cables in circuits containing three or

more parallel conductors per phase. They may be installed on the line

side of the main service to provide short-circuit protection to the service

conductors. This is especially important when service conductors are

tapped from large low voltage networks or from large low impedance

transformers.

Cable limiters have terminals which permit them to be installed in a

variety of equipment. The most common configuration is the offset

blade on one end and the crimp terminal on the other end. This permits

the limiter to replace a cable terminal (lug).

Applications

Service entrance conductors

Between transformer or network bus and busway terminal boxes

Large feeders with three or more conductors per phase

Features

Special Purpose Fuses

• Current-limiting characteristics provide protection to conductor

insulation and reduce damage when faults occur.

• Properly applied cable limiters may permit the use of equipment with

reduced withstand ratings

• Wide variety of terminations and cable ratings permit use in almost

every situation.

Description

Type

Termination

Cable Size

4/0

250MCM

350MCM

500MCM

750MCM

4/0

250MCM

350MCM

500MCM

750MCM

4/0

250MCM

350MCM

500MCM

750MCM

4/0

250MCM

350MCM

500MCM

750MCM

4/0

250MCM

350MCM

500MCM

750MCM

Catalog Number

Cable Type

Copper

Aluminum

LFCL4/0C1

LFCL4/0A1

LFCL250C1

LFCL250A1

LFCL350C1

LFCL350A1

LFCL500C1

LFCL500A1

LFCL750C1

LFCL750A1

LFCL4/0C3

LFCL4/0A3

LFCL250C3

LFCL250A3

LFCL350C3

LFCL350A3

LFCL500C3

LFCL500A3

LFCL750C3

LFCL750A3

LFCL4/0C5

–

LFCL250C5

–

LFCL350C5

–

LFCL500C5

–

LFCL750C5

–

LFCL4/0C6

LFCL4/0A6

LFCL250C6

LFCL250A6

LFCL350C6

LFCL350A6

LFCL500C6

LFCL500A6

LFCL750C6

LFCL750A6

LFCL4/0C8

–

LFCL250C8

–

LFCL350C8

–

LFCL500C8

–

LFCL750C8

–

Specifications

Voltage Rating:

Interrupting Rating:

Cable Size Range:

600 volts AC

200,000 Amperes

4 ⁄0

– 750MCM Copper or Aluminum

Cable to Cable

Cable to Offset

Bus

Note: For Type 5 and Type 8 Aluminum cable limiters, use the Copper Type C5

and C8.

Ordering Information

LFCL - 500 - C - 1

Littelfuse

Cable Limiter

Conductor Size

Terminal Material

(Aluminum or Copper)

Straight Bus to

Offset Bus

Mole to Cable

Mole to Offset

Bus

Type of

Termination

108

www.littelfuse.com

•

POWR-GARD

™

Products Catalog

参数对比

与LFCL0750ZA3相近的元器件有：LFCL04-0ZC8、LFCL0750ZC6、LFCL04-0ZA6、LFCL0250ZC1、LFCL0500ZC3、LFCL0750ZC3、LFCL0500ZC1、LFCL0250ZC8。描述及对比如下：

型号	LFCL0750ZA3	LFCL04-0ZC8	LFCL0750ZC6	LFCL04-0ZA6	LFCL0250ZC1	LFCL0500ZC3	LFCL0750ZC3	LFCL0500ZC1	LFCL0250ZC8
描述	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters	Specialty Fuses 600 Volts AC Cable Limiters
产品种类 Product Category	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses	Specialty Fuses
制造商 Manufacturer	Littelfuse	Littelfuse	Littelfuse	Littelfuse	Littelfuse	Littelfuse	Littelfuse	Littelfuse	Littelfuse
RoHS	No	No	No	No	No	No	No	No	No
产品 Product	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters	Cable Limiters
电压额定值 AC Voltage Rating AC	600 VAC	600 VAC	600 VAC	600 VAC	600 VAC	600 VAC	600 VAC	600 VAC	600 VAC
安装风格 Mounting Style	Cable	Cable	Cable	Cable	Cable	Cable	Cable	Cable	Cable
端接类型 Termination Style	Cable to Bolt Down	Mole to Bolt Down	Mole to Cable	Mole to Cable	Cable to Cable	Cable to Bolt Down	Cable to Bolt Down	Cable to Cable	Mole to Bolt Down
Fuse Type	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow	Time Delay / Slow Blow
Indicator Style	Without Indicator	Without Indicator	Without Indicator	Without Indicator	Without Indicator	Without Indicator	Without Indicator	Without Indicator	Without Indicator
系列 Packaging	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk
Interrupt Rating	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC	200 kA at 600 VAC
工厂包装数量 Factory Pack Quantity	1	1	1	1	1	1	1	1	1
类型 Type	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter	Cable Limiter