Curtis Speed Controller - Series Motor (Non-Programable) - 24-36v 400A (x) 1205X-4401

Curtis PMC Models 1204X/1205X are power MOSFET electronic motor speed controllers designed to provide smooth, silent, efficient and cost effective speed, torque and braking control.

Curtis PMC MOSFET motor speed controllers are ideal for a variety of electric vehicle applications, including industrial trucks, personnel carriers, material handling vehicles, tow tractors, walkie and small forklift applications, scrubbers, sweepers, scissors-lift and boom trucks, etc.

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• High frequency switching and ultra low voltage drops provide very high efficiency and silent operation. Costs, heatsinking requirements and motor and battery losses are reduced. Low end torque, range and battery life are increased.
• Environmental protection provided by a rugged, sealed (factory serviceable) anodized aluminum extrusion housing. Simple mounting and wiring with push-on type connectors for control signals. Plated solid copper busses used for all power connections.
• Thermal protection and compensation circuit provides undertemperature cutback, constant current limit over operating range, and linear rollback in over-temperature. No sudden loss of power under any thermal conditions.
• High pedal disable option prevents controller operation if the key switch is turned on while throttle is applied.
• Static return to off option prevents controller operation if the keyswitch is turned on while a forward or reverse direction is selected.
• Adjustable acceleration rate, current limit (protected against exceeding controller rating) and plugging current limit.
• Adjustments are accessed through sealed screws in side of housing (optional). No adjustments are required.
• Variable plugging current feature provides throttle position control over braking to improve driveability.
• Full fault detect circuitry monitors power supply, throttle connections, output transistors, bypass contactor, etc., to prevent runaway.
• Delayed bypass (1A) output drives optional bypass contactor (normally not required) after throttle reaches 90% and bypass delay times out (available on 12 and 24-36 volt models only).
• Arcless contactor switching for F/R contacts and bypass contacts (if opened below controller current limit).
• Short circuit protected F/R and bypass contactor drivers to prevent failure of sealed unit in the event of an accidental short in contactor coil circuit.

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• Frequency of Operation: 15 kHz
• Standby Current: less than 20 mA
• Standard Throttle Input: 0-5k ohms ±10% (others available)
• Weight: 1204: 1.8 kg (4 lbs); 1205: 2.7 kg (6 lbs)
• Full Power Operating Temperature Range: -25°C to 75°C (controller temperature)

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