MEGA BOLT DOWN FUSE (70V) (PBFM-KT4-IN)

General Specifications

TOP HOUSING : PPA, 30% GLASS FILLED UL94-V0
BOTTOM HOUSING : PPA, 30% GLASS FILLED UL94-V0
STRIP : COPPER, Sn PLATED / PRE-Sn PLATED
VOLTAGE RATING : 70V DC
INTERRUPTING RATING : 2500A @ 70V DC
REFERENCE STANDARD : ISO 20934
OPERATING TEMPERATURE : -40°C – 120°C
PACKING DETAILS : TRAY PACKING (70 No’s/TRAY)
MOUNTING TORQUE M8 : 20Nm ± 1Nm

(TO BE TIGHTENED/MOUNTED WITH DIGITAL TORQUE-WRENCH)

Time-Current Characteristic

Time-Current Characteristic (60A–250A)
% of Ampere Rating (A) Operating Time
MIN MAX
100% 4 hrs. –
135% 120 sec. 1800 sec.
150% 20 sec. 450 sec.
200% 1 sec. 15 sec.
350% 0.3 sec. 5 sec.
600% 0.1 sec. 1 sec.

Time-Current Characteristic (300A–500A)
% of Ampere Rating (A) Operating Time
MIN MAX
75% 4 hrs. –
200% 1 sec. 15 sec.
350% 0.5 sec. 5 sec.

Time-Current Characteristic Curve
Time-Current Characteristic Curve
NOTE:
THE FUSE CHARACTERISTICS MAY CHANGE DEPENDING ON THE CONDITIONS OF USE.
(Ambient Temperature, cable size/connection, fuse holder/mounting, electrical connections and prospective fault current).

Typical Derating Of Fuse Melting

TYPICAL DERATING OF FUSE MELTING (60A–350A)
Typical Derating of Fuse Melting 60A–350A

TYPICAL DERATING OF FUSE MELTING (350A–500A)
Typical Derating of Fuse Melting 350A–500A

Part No

Ampere Rating (A) Part Number Color Code Marking Cold Resistance Cable Size as per ISO 20934
60A PBFM-KT4-60A Light Blue 1.065 mΩ 6 mm²
80A PBFM-KT4-80A Dark Red 0.735 mΩ 10 mm²
100A PBFM-KT4-100A Yellow 0.575 mΩ 10 mm²
125A PBFM-KT4-125A Green 0.445 mΩ 16 mm²
150A PBFM-KT4-150A Orange 0.385 mΩ 25 mm²
175A PBFM-KT4-175A White 0.345 mΩ 25 mm²
200A PBFM-KT4-200A Blue 0.27 mΩ 35 mm²
250A PBFM-KT4-250A Pink 0.225 mΩ 50 mm²
300A PBFM-KT4-300A Dark Gray 0.180 mΩ 50 mm²
350A PBFM-KT4-350A Dark Green 0.165 mΩ 50 mm²
400A PBFM-KT4-400A Violet 0.175 mΩ 70 mm²
450A PBFM-KT4-450A Light Orange 0.140 mΩ 70 mm²
500A PBFM-KT4-500A Dark Brown 0.125 mΩ 70 mm²

Company Presentation

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