LPS-RK

Dual-Element, Time-Delay Fuses

70-600A

Class RK1 –– 600 Vac/300 Vdc

Features:

• High degree of current-limitation for maximum short-circuit

protection.

• Type 2 protection for IEC and NEMA starters when

properly sized.

• High inrush current motor protection.

• Time-delay permits 130% FLA sizing for back-up motor over-

load protection, and single-phasing protection.

• Low watt loss power consumption.

• Electrically isolated end caps.

• 300Vdc, UL Listed.

Applications:

• Branch distribution

• Motors

• Transformers

• Solenoids

• General purpose circuits

A

B

Catalog Symbol: LPS-RK_SP (600V)

Ampere Rating: 70 to 600A

Voltage Rating:

ac: 600V (or less)

dc: 300V (or less)

Interrupting Rating:

ac: 300,000A RMS Sym.

dc: 100,000A

Agency Information:

UL Listed–Special Purpose**, Guide JFHR, File E56412

CSA Certified, (200,000 AIR) Class 1422-02, File 53787,

Class RK1 per CSA C22.2 No. 248.12

Catalog Numbers

LPS-RK-70SP

LPS-RK-150SP

LPS-RK-350SP

LPS-RK-80SP

LPS-RK-175SP

LPS-RK-400SP

LPS-RK-90SP

LPS-RK-200SP

LPS-RK-450SP

LPS-RK-100SP

LPS-RK-225SP

LPS-RK-500SP

LPS-RK-110SP

LPS-RK-250SP

LPS-RK-600SP

LPS-RK-125SP

LPS-RK-300SP

—

Available with tin plate option. Add suffix “-TP”. (Ex.: LPS-RK-100SP-TP)

Carton Quantity and Weight—LPS-RK (600Vac)

Ampere

Carton

Weight*

Ratings

Qty.

Lbs.

Kg.

70–100

1

2.20

1.0

110–200

1

1.10

0.5

225–400

1

2.36

1.1

450–600

1

3.44

1.5

*Weight per carton.

** Meets all performance requirements of UL Standard 248-12 for Class RK1

fuses.

Dimensional Data

Ampere Ratings

“A”

“B”

70-100

7.88 (± 0.062)

1.11 (± 0.020)

110-200

9.63 (± 0.062)

1.61 (± 0.020)

225-400

11.63 (± 0.094)

2.36 (± 0.020)

450-600

13.38 (± 0.094)

2.88 (± 0.020)

N

NE

EW

W D

DE

ES

SIIG

GN

N

CE logo denotes compliance with European Union Low Voltage Directive

(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact

Bussmann Application Engineering at 636-527-1270 for more information.

Fuse Reducers For Class R Fuses

Desired

Catalog Number

Equipment

Fuse (Case)

(Pairs)

Fuse Clips

Size

600V

200A

100A

No. 2621-R

400A

100A

No. 2641-R

200A

No. 642-R

100A

No. 2661-R

600A

200A

No. 2662-R

400A

No. 2664-R*

*Single reducer only (pair not required).

For additional information, see Data Sheet: 1118.

Form No. LPS-RK 70-600

Page 1 of 3

Data Sheet: 1002

10-2-02

SB02295

Recommended fuseblocks for

Class R 600V fuses

See Data Sheet: 1111