New Curtis PMC 1228-2430 Permanent Magnet DC Motor Speed Controller

The 1228-2430 offers smooth, silent, cost effective control of motor speed and torque. A four quadrant, full bridge power output stage provides for solid state motor reversing and full braking power without additional relays or contactors.

Key Features:
CURTIS Model: 1228-2430
Norminal Battery Voltage (Volts): 24V
15 Second Current Rating (amps): 70
1 Minute Current Rating (amps): 70
1 Hour Current Rating (amps): 35
Minimum motor resistance: 200 mΩ
B+, B- logic pin current (max.): 9 A (pins 1, 2 and 10, 11 on 18-pin connector)
KSI input current (typical): 50 mA without programmer; 150 mA with programmer
KSI input current (peak): 1.5 A
Logic input current (typical): 1 mA at 24 V
Horn output current (max.): 15 mA
BDI output voltage and current (max.): 0–5 V, 2 mA
LED output current (max.): 15 mA
Electromagnetic brake coil resistance (min.): 32-200 Ω
Regulatory compliance: Designed to ANSI RESNA WC 14/21, ISO 7176-14, ISO 7176-21
Operating ambient temperature range: -25°C to 50°C
Storage ambient temperature range: -40°C to 70°C
Package environmental rating: IP40

Specifications:
PWM operating frequency: 15 kHz
Electrical isolation to heatsink (min.): 500 VAC
Dielectric resistance: >1 MΩ (DC test)
Heatsink overtemperature: linear cutback starts at 92°C; complete cutoff at 134°C
Heatsink undertemperature: 50% armature current at -25°
Undervoltage cutoff: 14 V
Overvoltage cutoff: 34 V

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