Product Description:
– CURTIS Programmable DC SepEx Motor Controller
– Model: 1268-5403
– 36V/48V–400A, Optional Connectors Kit

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

Key Features:
– 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