ECNR7 datasheet(1/2 Pages) ETC2

Part #	ECNR7

Description	Class RK5 250Vac, 1 to 60A Dual-Element, Time-Delay Fuses

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ECNR

Class RK5 250Vac, 1 to 60A

Dual-Element, Time-Delay Fuses

Form No. ECNR 1-60

Page 1 of 2

Data Sheet #1315

0509

BU-SB08624

Catalog Symbol: ECNR

Dual-Element, Time-Delay – 10 seconds (minimum) at 500%

rated current (8 seconds for fuses 30A or less)

Current-Limiting

Volts: 250Vac (or less)

125Vdc (or less)

Amps: 1 to 60A

IR: 200kA RMS Sym.

Agency Information: CE, UL Listed, Std. 248-12,

Class RK-5, Guide JDDZ, File E162363, CSA

Certified, C22.2 No. 248.12, Class 1422-02,

File 700489

Features

• Provides motor overload, ground fault and short-circuit

protection.

• Helps protect motors against burnout from overloads.

• Helps protect motors against burnout from single-

phasing on three-phase systems.

• Simplifies and improves blackout prevention (selective

coordination).

• Dual-element fuses can be applied in circuits subject to

temporary motor overloads and surge currents to

provide both high performance short-circuit and overload

protection.

• The overload element provides protection against low

level overcurrent of overloads and will hold an overload

which is five times greater than the amp rating of the

fuse for a minimum of ten seconds.

Dimensions (inches)

Carton Quantity and Weight

Carton

Weight per Carton

Amps

Quantity

lbs

kg

1–15

10

0.40

0.18

17.5–30

10

0.50

0.23

35–60

10

1.00

0.45

Class RK5 Fuse Blocks (250V) Catalog Data

(Clip Retaining Spring Standard, Suffix “R”)

Terminal Type (Suffix No.)

Basic

Screw

Box Lug

1

¼4"

Catalog

—

w/ Pres.

—

w/ Clip

Quick

Amps

Number

Plate

CU only Connect

1

R25030-1

SR

PR

CR

COR

QR

to

2

R25030-2

SR

PR

CR

COR

—

30

3

R25030-3

SR

PR

CR

COR

—

31

1

R25060-1

—

CR

—

to

2

R25060-2

—

CR

—

60

3

R25060-3

—

CR

—

Catalog Numbers (amps)

ECNR1

ECNR7

ECNR17.5

ECNR45

ECNR2

ECNR8

ECNR20

ECNR50

ECNR3

ECNR9

ECNR25

ECNR60

ECNR4

ECNR10

ECNR30

ECNR5

ECNR12

ECNR35

ECNR6

ECNR15

ECNR40

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Manufacturer	Part #	Datasheet	Description
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Eaton All Rights Reserv...	FRN-R	672Kb / 6P	Fusetron??FRN-R Class RK5 250Vac/125Vdc 1??0-60A, dual element, time-delay fuses
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