curtis 1268-5403 controller 48v 400a

CURTIS Model: 1268-5403
Norminal Battery Voltage (Volts): 48V (default setting) or 36V
Amature 2 minute current rating (amps): 400
Field 2 minute current rating (amps): 50
Logic enable and logic power input voltage (minimum): 16.8 V
Logic enable and logic power input current (no contactors engaged): 160 mA without programmer; 200 mA with programmer
Logic input voltage: 20.0 V High; 7.5 V Low
Logic input current 10 mA
Throttle Type: various throttles can be used with the 1268 controller, including 5kΩ 3-wire potentiometers and 0–5V throttles.
Dimensions: L229xW178xH81 mm
Net Weight: 3.9 kg
Package environmental rating: IP64, IP67
Specifications:

PWM operating frequency: 16 kHz
Electrical isolation to heatsink (min.): 500 VAC
KSI input voltage (minimum): 16.8 V
KSI input current (typical): 160 mA without programmer; 200 mA with programmer
Ambient operating temperature range: -40°C to 50°C
Heatsink overtemperature cutback: starts at 85°C; cutoff at 95°C
Heatsink undertemperature cutback: 50% armature current at -25°C