Datasheet > KLDR71/2

KLDR71/2

更新时间： 2024-10-28 21:07:59

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
3页	634K
描述
Fuse

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技术参数
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KLDR71/2 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5.76
Base Number Matches：	1

KLDR71/2 数据手册

Class CC Fuses

ꢀ

600 VAC 1/10 – 60 Amperes

SPECIFICATIONS

Voltage ratings:AC: 600 Volts

DC: 250 – 500 Volts (CCMR)†

300 Volts (KLDR)

300 Volts (KLKR)

Interrupting ratings: AC: 200,000 amperes

GENERAL

PURPOSE

FUSES

rms symmetrical

DC: 20,000 amperes

Ampere range:CCMR: 2/10 — 60 amperes

KLDR: 1/10 — 30 amperes

KLKR: 1/10 — 30 amperes

Approvals: CCMR:2/10 — 30A: UL Listed Time-Delay

Class CC fuses

per UL 248

(formerly UL 198C)

(File No. E81895).

CSA Certified HRCI-MISC

(File No. LR29862).

35 — 60A: UL Listed Class CD fuses

(File No. E71611).

CSA Certified

(File No. LR29862).

KLDR: UL Listed Time-Delay Class CC fuses

per UL 198C (File No. E81895)

CSA Certified HRCI-MISC

(File No. LR29862)

KLKR: UL Listed Fast-Acting Class CC fuses

per UL 198C (File No. E81895)

Compared to other UL Listed fuses, Class CC fuses are the

most current limiting, rating for rating. Because they are

physically compact, they provide this superior protection in a

fraction of the space required by other fuse classes. For

example, when 600V three-pole, 30 ampere Class R fuse

blocks are replaced by Littelfuse Class CC fuse blocks, panel

mounting space is reduced approximately 70%. This is

especially important when a panel contains many fuses to

protect multiple circuit components.

CSA Certified HRCI-MISC

(File No. LR29862)

RECOMMENDED FUSE BLOCKS

L60030C series

L60060C series (for CCMR 35–60A)

Refer to Fuse Block section of this catalog for additional

information.

APPLICATIONS

Three Types of Class CC Fuses, Specifically Designed

to Protect Different Types of Components

1) Motor protection — CCMR series; dual-element, time-

delay fuses specifically designed to protect motor circuits

up to 40 HP**.

†Refer to the POWR-PRO^®section for additional information.

2) Small transformer protection (control power

transformers) — KLDR series, time-delay fuses designed

to withstand the high magnetizing inrush of transformers.

3) General purpose protection of equipment requiring

fast overload protection — KLKR series, fast-acting

fuses used for protection of equipment containing solid-

state devices or other electronic components requiring fast

response on overloads.

.25"

(6.4 mm)

1.50"

(38.1 mm)

.41"

0-30A

(10.3 mm)

.125"

SAFETY

(3.2 mm)

.50"

ꢀ

200,000 A.I.R. — Reliable interruption of all overcurrents up

to 200,000 amperes.

(12.7 mm)

ꢀ

Extremely current limiting — Reduces damage caused by

heating and magnetic effects of short-circuit currents . . .

stops damaging short-circuit currents faster than any

mechanical protective device.

.850 ⁺^-.020

SPACE SAVING

Class CC fuses are the smallest 600V, 200,000 A.I.R. fuses

35-60A

ꢀ

approved for branch circuit protection.

ECONOMICAL

ꢀ

Current limiting design often permits use of readily avail-

1.880 REF.

able, less costly equipment.

**Consult the Motor Protection Tables in the Fuseology section for

specific motor sizing information

12 3

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