cooper bussmann

EF,FF,FG,GF, GG,GH BS88 British Standard Low Voltage Fuses

  
Description:
Low voltage fuses complying with general purpose gG characteristics and available up to 400A with two hole mount and up to 1250A with four hole mount.

Construction: Ceramic body.

Ratings:
Volts: 415/550Vac, 250/400Vdc
Amps: 355-1250
IR:  See Catalog Numbers table

Agency Information: CE, Meets the requirements of BS 88 Parts 1 and 2 and IEC269-1.

Mounting: Center bolted blades, four-hole mount.

CATALOG SYMBOL: EF
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING

Dimensional Data:


Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V A B C D E F G H J
EF355 355A 360,000 865,000 24 415VAC 210 187 136 75 25.4 15.5 10.5 4.7 59
EF400 400A 475,000 1,150,000 29
EF400M500 400M500 1,200,000 2,700,000 27 550VAC 210 185 134 77.5 25.4 15.5 10.5 6.4 74

Time-Current Characteristic Curve (Full Size Curves Available)

 
CATALOG SYMBOL: FF
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING

Dimensional Data:


Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V Total At 550V A B C D E F G H J
FF450 450A 880 1600 2200 32 550VAC 400VDC 210 185 134 77.5 25.4 15.5 10.5 2.94 / 74.0 6.4
FF500 500A 1100 2000 2800 38
FF560 560A 1400 2400 3500 43
FF630 630A 2000 3500 5000 50

Time-Current Characteristic Curve (Full Size Curves Available)

 
CATALOG SYMBOL: FG
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING

Dimensional Data:


Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V Total At 550V A B C D E F G H J
FG450 450A 880 1600 2200 32 550VAC 400VDC 262 231 167 77.5 38 15.5 10.5 2.94 / 74 6.4
FG500 500A 1100 2000 2800 38
FG560 560A 1400 2400 3500 43
FG630 630A 2000 3500 5000 50

Time-Current Characteristic Curve (Full Size Curves Available)


CATALOG SYMBOL: GF
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 20
80kA INTERRUPTING RATING
 
Dimensional Data:

• British standard low voltage industrial fuses.
• General purpose, type gG.
• Used in general industrial motor circuits.

Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V Total At 550V A B C D E F G H J
GF710 710A 3500 8100 11,000 53 550VAC 250VDC 210 185 134 80.5 1 / 25.4 15.5 10.5 83 9.5
GF800 800A 5050 11,500 15,500 64

Time-Current Characteristic Curve (Full Size Curves Available)


CATALOG SYMBOL: GG
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING

Dimensional Data:

• British standard low voltage industrial fuses.
• General purpose, type gG.
• Used in general industrial motor circuits.

Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V Total At 550V A B C D E F G H J
GG710 710A 3500 8100 11,000 53 550VAC 250VDC 262 231 167 77.5 38 15.5 10.5 83 6.4
GG800 800A 5050 11,500 15,500 64
GG1000 1000A 6800 16,000 21,000 69  550VAC 262 228.5 165 84 38 15.5 10.5 100 12.7
GG1250 1250A 14,000 31,000 42,000 85

Time-Current Characteristic Curve (Full Size Curves Available)


CATALOG SYMBOL: GH
INDUSTRIAL HRC FUSE
CENTER BOLTED TAGS
PACKAGE QUANTITY: 1
80kA INTERRUPTING RATING

Dimensional Data:

• British standard low voltage industrial fuses.
• General purpose, type gG.
• Used in general industrial motor circuits.

Electrical Characteristics
Catalog Number Ampere Rating I2T (Amp2 Seconds) Watts Loss Nom Rated Voltage Dimensions (Inches/mm)
Pre-Arcing Total At 415V Total At 550V A B C D E F G H J
GH710 710A 3500 8100 11,000 53 550VAC 250VDC 198 149 81 14 19 32 2.5 83 0.38
GH800 800A 5050 11,500 15,500 64
GH1000 1000A 6800 16,000 21,000 69 550VAC 198 149 81 14 19 32 63.5 100 9.52
GH1250 1250A 14,000 31,000 42,000 85

Time-Current Characteristic Curve (Full Size Curves Available)
 
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