25ET Cooper/Bussmann, 25ET Datasheet

25ET

Manufacturer Part Number

25ET

Description

FUSE 25A 690V BRITISH

Manufacturer

Cooper/Bussmann

Series

ETr

Datasheets

1.100LET.pdf (7 pages)

2.35FE.pdf (9 pages)

Specifications of 25ET

Voltage - Rated

690VAC

Current

25A

Package / Case

Bolt Mount

Size / Dimension

0.673" Dia x 3.032" L (17.10mm x 77.00mm)

Mounting Type

Bolt Mount

Melting I²t

250

Voltage Rating Vdc

690V

Voltage Rating Vac

690V

Fuse Current

25A

Length/height, External

78.2mm

Voltage Ac

690V

Fuse Type

Color

Operating Temperature

Dc Cold Resistance

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Operating Temperature

Color

Fuse Type

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

25ET

Manufacturer:

BUSSMANN

Quantity:

5 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

25ETS08S

Manufacturer:

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

25ETS12SPBF

Manufacturer:

Quantity:

20 000

Current page: 1 of 7
Download datasheet (196Kb)

“F” Range

This is a superior design of fuses in the same physical

package as the “T” range.

Equivalent Ratings

This table shows the suggested equivalent ratings to

replace a “T” with an “F”.

Because of the new design technology it has been possible

to obtain the equivalent energy let-through I

amp rated fuse hence reducing the possibility of premature

operation.

This table gives a range of suggested acceptable new “F”

type to replace the earlier “T” type.

To upgrade your protection to the new “F” series select a

fuse rating within the range shown that suits your circuit

inrush requirements. You will still have the same or better

protection of your semiconductor devices.

It should be remembered that to protect devices we must

consider the energy let-through of the selected fuse. The

label amp rating will relate to the full load current and the

circuit inrush amps.

The suggested replacements are based on:

This gives enhanced reliability due to the use of a higher

current rated fuse which avoids nuisance operation and still

gives improved short-circuit protection.

The Edison British Style semiconductor protection fuses

include a 660VAC line utilizing new filler technology. These

new fuses have greatly reduced peak let-through current

and energy under fault conditions and hence extend fuse

protection capability. They can be recognized by the letter

“F” in their catalog number. Application and technical data

for these 660VAC “F” fuses and the original line of 240VAC

British “T” type fuses are presented on the following pages.

a. Similar surge withstand to normal circuit overloads.

b. Lower total I

t let-through.

t with a higher

Replacement Table — “T” to “F” (660V)

Earlier

“T” Range

6CT

10CT

12CT

16CT

20CT

25ET

32ET

35ET

40ET

45ET

56ET

63ET

–

80ET

65EET

75EET

90EET

110EET

–

140EET

–

160EET

–

160MT

180MT

200MT

–

250MT

280MT

315MT

355MT

180MMT

200MMT

225MMT

280MMT

315MMT

355MMT

–

400MMT

450MMT

500MMT

560MMT

630MMT

710MMT

SEMICONDUCTOR PROTECTION FUSES

New “F” Range

Lowest

Rating

6FC

10FC

12FC

16FC

20FC

–

35FE

40FE

45FE

63FE

–

80FE

–

140FEE

–

160FEE

–

200FM

225FM

250FM

280FM

315FM

350FM

350MT

180FM

200FM

225FM

280FM

315FM

350FM

–

500FMM

550FMM

630FMM

700FMM

BRITISH STYLE–

Highest

Rating

6FC

10FC

12FC

16FC

20FC

–

35FE

40FE

45FE

50FE

63FE

71FE

80FE

90FE

100FE

–

100FEE

120FEE

140FEE

160FEE

180FEE

200FEE

180FM

200FM

225FM

250FM

280FM

315FM

350FM

180FM

200FM

225FM

280FM

315FM

350FM

400FMM

450FMM

500FMM

550FMM

630FMM

700FMM

Related parts for 25ET

25ET Summary of contents

Page 1

... SEMICONDUCTOR PROTECTION FUSES Replacement Table — “T” to “F” (660V) Earlier “T” Range 6CT 10CT 12CT 16CT 20CT 25ET 32ET 35ET 40ET 45ET 56ET 63ET – – 80ET 65EET t with a higher ...

... SEC) Part Clearing Clearing Number Pre-arc At 415V At 660V 6FC 1 10FC 12FC 16FC 20FC 30 100 160 25ET 25 150 250 32ET 32 190 350 35FE 33 130 200 40FE 52 180 300 45FE 76 270 450 50FE 103 380 600 63FE 135 480 750 71FE 210 600 ...

Page 3

... Interrupting rating 200kA RMS Symmetrical. • Watts loss provided at rated current. • All fuses above have been tested to 318VAC. • These fuses meet the requirements Part 4 and IEC 269-4 • UL Recognition on LET and LMT. Others pending – Consult Edison. 86 SEMICONDUCTOR PROTECTION FUSES ...

Page 4

... Type 74.6 64.3 LCT & 63.5 LET 56 41.8 FEE & EET 113 80-85 LMT 84 59 FMM 113 80-85 LMMT & LCT FM & LMT SEMICONDUCTOR PROTECTION FUSES 54.8 8.7 8.7 28 8.4 8.7 48 17.7 19.1 26.2 17.7 19 41 FE, ET & LET BRITISH STYLE– ...

Page 5

... CURRENT IN AMPERES 660V Time-Current Curves FC (6-20A) FE (35-100A) FM (180-350A) 88 SEMICONDUCTOR PROTECTION FUSES AMPERE RATING 660V Time-Current Curves FEE (100-200A) FMM (400-700A CURRENT IN AMPERES BRITISH STYLE– AMPERE RATING ...

Page 6

... CURRENT IN AMPERES 240V Time-Current Curves LCT (6-20A) LET (25-180A) LMMT (400-900A) SEMICONDUCTOR PROTECTION FUSES AMPERE RATING 240V Time-Current Curves LMT (160-450A .01 .004 CURRENT IN AMPERES BRITISH STYLE– AMPERE RATING 89 ...

Page 7

Indicator System Trip-Indicators Trip-indicators are available for use in parallel with the main fuse. They can either be attached to the associated fuse or mounted separately in panel mounted fuse clips, reference CL1. A push-on adapter and microswitch attachment is ...

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25ET Cooper/Bussmann, 25ET Datasheet

25ET

Specifications of 25ET

Available stocks

Related parts for 25ET

25ET Summary of contents

Page 1

Page 2

Page 3

Page 4

Page 5

Page 6

Page 7

Related keywords