75EET Cooper/Bussmann, 75EET Datasheet

75EET

Manufacturer Part Number

75EET

Description

FUSE 75A 660V TYPE T

Manufacturer

Cooper/Bussmann

Series

EETr

Datasheet

1.100LET.pdf (7 pages)

Specifications of 75EET

Voltage - Rated

690VAC

Current

75A

Package / Case

Bolt Mount

Size / Dimension

3.701" L x 1.457" W x 0.748" H (94.00mm x 37.00mm x 19.00mm)

Mounting Type

Bolt Mount

Melting I²t

4400

Voltage Rating Vdc

690V

Voltage Rating Vac

690V

Fuse Current

75A

Length/height, External

93.7mm

Voltage Ac

690V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Operating Temperature

Color

Fuse Type

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

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“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 75EET

75EET Summary of contents

Page 1

... Range 6CT 10CT 12CT 16CT 20CT 25ET 32ET 35ET 40ET 45ET 56ET 63ET – – 80ET 65EET t with a higher 2 75EET 90EET 110EET – 140EET – 160EET – 160MT 180MT 200MT – 250MT 280MT 315MT 355MT 180MMT 200MMT 225MMT 280MMT ...

Page 2

... 71FE 210 600 950 80FE 250 900 1500 90FE 360 1300 2100 100FE 470 1800 2800 65EET 210 2000 3000 75EET 420 2600 4400 90EET 490 3000 4500 100FEE 400 1600 2400 120FEE 540 1900 3100 140FEE 850 2500 3800 160FEE ...

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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