cooper bussmann

LCT - British BS 88 240V 6-20-A

Description: BS 88 style stud-mount high speed semiconductor fuses.
Dimensions: See dimensions illustrations.

Volts: 240Vac/150Vdc
Amps: 6-20A
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.

Electrical Characteristics
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).

Dimensions (mm)

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%.

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.

Catalog Numbers
Catalog Numbers Type Rated Current RMS-Amps I2t(A2 Sec) Watts Loss
Pre-arc Clearing
at 120V at 240V
6LCT LCT 6A 2 6 9 1
10LCT 10A 3.8 12 22 2.5
12LCT 12A 7 22 32 2.5
16LCT 16A 20 50 100 2.5
20LCT 20A 25 80 160 4

• Watts loss provided at rated current.

Features and Benefits
• Excellent cycling capability
• Excellent DC performance
• Low arc voltage and low energy let-through (I2t)

Typical Applications
• DC common bus
• AC and DC drives
• Power converters/rectifiers
• Reduced voltage starters

Time-Current Curve

Peak Let-Through Curve
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