CURTIS 1238 48-80V  AC Induction Motor Controller 1238SE-5401

Overview:
CURTIS 1236SE-6521 AC induction motor controllers deliver smooth power unlike any previous vehicle control system. They provide unprecedented flexibility and power through inclusion of a field-programmable logic controller embedded in a state-of-the-art motor controller.
Specifications:
* PWM operating frequency: 15 kHz
* Electrical isolation to heatsink (min.): 500 VAC
* PWM operating frequency: 10 kHz
* Maximum encoder frequency: 15 kHz
* Maximum controller output frequency: 300 Hz
* Heatsink overtemperature cutoff: linear cutback starts at 85°C; complete cutoff at 95°C
* Heatsink undertemperature cutoff: complete cutoff at -40°C

Key Features:
* CURTIS Model: 1236-5401 / 1236-6401
* Nominal input voltage: 36-48V (1236-5401) or 48-80V (1236-6401)
* 2 Minute RMS Current Rating (amps): 450A (1236-5401) or 350A (1236-6401)
* MOSFET overtemperature cutback: linear cutback starts at 100°C; complete cutoff at 110°C
* MOSFET undertemperature cutback: approx. 50% motor current at -25°C; complete cutoff at -40°C
* All low power connections are made through a single 35-pin AMPSEAL connector
* Throttle Type: 0-5K Ω (default setting), flexible throttle circuitry accommodates a variety of throttle types: 5kΩ-0, 0-5kΩ,
0-5V, etc.
* Operating Ambient Temperature Range: -40°C to 50°C
* Internal Heatsink Operating Temperature Range: -40°C to 95°C
* Storage Ambient Temperature Range: -40°C to 95°C
* Package environmental rating: IP65
* Dimensions: W165 × L232 × H85 mm (6.5" × 9.1" × 3.4")
* Net Weight: 4.12 kg (9.1 lbs)