MT - BS 88 style stud-mount fuses.

High Speed Fuses - British BS 88
690V: 6-710A


MT
 
Specifications
Decription:
BS 88 style stud-mount fuses.
Dimensions:
See Dimensions illustrations.
Ratings:
Volts:- 690Vac/350Vdc
Amps:- 6-710A
IR:- 200kA RMS Sym.
Agency Information:
CE, Designed and tested to: BS 88 Part 4, IEC 269 Part 4, UL Recognized. MT and MMT o 350Vdc (IEC) rating. Consult Cooper Bussmann for UL Recognition status.
Features and Benefits:
@ Excellent cycling capability
@ Excellent dc performance
@ Low arc voltage and low energy let-through (I2t)
@ Low watts loss
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 Type Rated Current RMS-Amps Pre-arc I2t (A2 Sec) Clear at 415V - I2t (A2 Sec) Clear at 660V - I2t (A2 Sec) Watts Loss
160MT MT† 160 2400 15000 25000 26
180MT MT† 180 3800 25000 38000 26
200MT MT† 200 6000 40000 58000 27
250MT MT† 250 11500 80000 110000 32
280MT MT† 280 16500 100000 150000 35
315MT MT† 315 19000 125000 180000 42
355MT MT† 355 22000 160000 200000 51