Datasheet > LR601001C

LR601001C

更新时间： 2024-12-01 22:56:47

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
6页	689K
描述
FUSE HLDR CART 600V 100A CHASSIS

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LR601001C 数据手册

Blocks and Holders

Fuse Blocks

General Information

4. Determine if NEC, CSA, UL, or other requirements

are applicable

If fuse blocks will be installed in equipment to be submitted for agency

approval, the requirements should be obtained from the approving

agency in advance of fuse and fuse block selection.

5. Select the type of wire termination

A choice of three types of wire termination is available:

a) Screw — for use with spade lugs or ring terminals.

b) Screw with Pressure Plate — for use with solid or stranded wire

without terminal. Recommended where vibration will be a factor.

c) Box Lug — the most durable. For use with all types of solid wire and

Class B and Class C stranded wire. Not for use with welding cable or

other rope-stranded conductors.

¹/⁴” Quick Connect terminals rated for up to 20A are

available on the Midget and Class CC fuse blocks.

Fuse Block Selection

The following guidelines should help simplify the selection of proper

fuse blocks:

Screw

with

Pressure

Plate

Screw

(S)

Box

Lug

(C)

1. Determine the system voltage

Since fuses are selected on the basis of system voltage, fuse blocks are

(P)

selected to match the voltage rating of the fuse.

6. Decide on the number of poles in each block

The number of poles for each set of fuses is determined by the

characteristics of the circuit. The option to gang individual fuse blocks

into long strips will be determined by the available space and by the

type of wire being used.

2. Determine the design short-circuit current

Available and/or design short-circuit current is an important

consideration when determining the class of fuse and fuse blocks to

use. If available short-circuit current cannot be determined, or if it will

vary with equipment location, select fuses with a 200,000 ampere

interrupting rating (A.I.R.) and mating fuse blocks with a withstand rating

of 200,000 amperes for maximum safety.

7. Determine if fuse clips need to be reinforced

Fuse clips may have a tendency to lose some of their tension over a

period of time. This may be prevented by specifying reinforced fuse

clips. Reinforced clips are standard on certain fuse blocks (see individual

product pages).

Class H fuse blocks will accept Class H or K5 fuses (which have an

interrupting rating of up to 50,000 amperes) and Class R fuses (which

have a 200,000 A.I.R.). To prevent the possibility of inserting a fuse

with the incorrect interrupting rating, the use of Class R fuse blocks is

recommended for use with Class R fuses. Use Class H fuse blocks with

Class H or K5 fuses. These fuse blocks are dimensionally the same, but

the Class R fuse blocks incorporate a rejection feature which allows only

Class R fuses to be inserted.

Ordering Information

The Littelfuse fuse block part number consists of 6 or 7 components, as

shown below and in the individual fuse block data tables.

3. Determine the type and ampere rating of the fuse to be used

In addition to voltage and interrupting rating as discussed above, the

fuse ampere rating, opening characteristics (fast acting or time-delay)

and size are other important considerations in fuse selection. Once the

fuse type is selected, the mating fuse block can be chosen. Fuse blocks

are available in 30, 60, 100, 200, 400 and 600 amp ratings, and may be

used with a fuse rated at the corresponding amperage rating or below.

For example, a fuse block rated at 30 amperes may be used with a fuse

rated from 0 to 30 amperes.

For all Class R, H, J, T and 15, 20

& 60A Class G Fuse Blocks

For all Class CC, Midget and 30A

Class G Fuse Blocks

w w w . l i t t e l f u s e . c o m

111

•

12 3 4 5 6

中文翻译

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与LR601001C相关器件

型号	品牌	获取价格	描述	数据表
LR60100-2	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR60100-3	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR601003C	LITTELFUSE	获取价格	FUSE HLDR CART 600V 100A CHASSIS
LR60200-1	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR602001C	LITTELFUSE	获取价格	FUSE HLDR CART 600V 200A CHASSIS
LR60200-3	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR602003C	LITTELFUSE	获取价格	FUSE HLDR CART 600V 200A CHASSIS
LR60400-1	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR60400-3	LITTELFUSE	获取价格	Class H/K5 and R Fuse Blocks
LR604003CR	LITTELFUSE	获取价格	FUSE HLDR CART 600V 400A CHASSIS

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