LMMT - BS 88 style stud-mount fuses.

High Speed Fuses - British BS 88
240V: 6-900A


LMMT
Specifications
Decription:
BS 88 style stud-mount fuses.
Dimensions:
See Dimensions illustrations.
Ratings:
Volts:- 240Vac/150Vdc
Amps:- 6-900A
IR:- 200kA RMS Sym.
Agency Information:
CE, Designed and tested to: BS 88 Part 4, IEC 269 Part 4, UL Recognized. All fuses above have been tested at 318Vac. Consult Cooper Bussmann for specific UL Recognition status.
Features and Benefits:
@ Excellent cycling capability
@ Excellent dc performance
@ Low arc voltage and low energy let-through (I2t)
Typical Applications:
@ DC common bus
@ DC drives
@ Power converters/rectifiers
@ Reduced voltage starters
Arc Voltage:
This curve gives the peak arc voltage, UL, which may appear across the fuse during its operation as a function of the applied working voltage, Eg, (rms) at a power factor of 15%.
Total Clearing I2t:
The total clearing I2t at rated voltage and at power factor of 15% are given in the electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K, given as a function of applied working voltage, Eg, (rms).
Note:
@ Watts loss provided at rated current.
Power Losses:
Watts loss at rated current is given in the electrical characteristics. The curve allows the calculation of the power losses at load currents lower than the rated current. The correction factor, Kp, is given as a function of the RMS load current, Ib, in % of the rated current.
Data Sheet:
Catalog Number Rated Current RMS-Amps Pre-arc I2t (A2 Sec) Clear at 120V - I2t (A2 Sec) Clear at 240V - I2t (A2 Sec) Watts Loss Type
400LMMT 400 6000 3500 80000 60.0 LMMT
500LMMT 500 14000 80000 170000 64.0 LMMT
630LMMT 630 24000 150000 300000 75.0 LMMT
710LMMT 710 32000 200000 460000 77.0 LMMT
800LMMT 800 52000 300000 600000 82.0 LMMT
900LMMT 900 75000 400000 800000 97.0 LMMT