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
• Nominal input voltage: 48V (default setting) or 36V
• 2 Minute RMS Current Rating (amps): 450
• S2-60 Minute RMS Current Rating (amps): 205
• 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: L232xW165xH85 mm
• Net Weight: 4.35 kg

Features Include:

• Increased Performance, Improved functionality
  • Higher performance form, fit and functional replacements for earlier CURTIS Model 1236E AC controllers.
  • CE marked as a programmable safety device under EN ISO 13849-1.
  • Models available for 450 output at 36-48V system voltages. These are true 2 minute RMS ratings, not short duration 'boost' ratings.
  • Enhanced 64MHz micro and additional FLASH memory doubles the available VCL code space and provides more than twice the VCL execution speed.
  • Six additional VCL-configurable CAN "mailboxes" significantly increases CAN master capabilities.
  • Advanced Pulse Width Modulation techniques produce low motor harmonics, low torque ripple and minimized heating losses, resulting in high efficiency.
• Unmatched Flexibility
  • Easily programmable through the CURTIS Model 1313-4331 Handheld Programmer or 1314 PC Programming Station.
  • Programmable for either traction or pump applications.
  • Field upgradeable software.
  • Integrated Battery state-of-charge algorithm and hour meter.
  • Fully-featured generic software and VCL for typical Warehouse Truck applications is included.
  • Comprehensive programming options and VCL allow other applications to be easily supported.
  • CURTIS hand-held or PC Windows programming tools provide easy programming and powerful system diagnostic tools.
  • Integrated status LED provides instant diagnostic indication.
• Robust Safety and Reliability
  • Dual Microprocessor architecture cross-checks critical circuits, logic, and software functions to ensure the highest possible functional safety performance level is achieved.
  • Insulated Metal Substrate power base provides superior heat transfer for increased reliability.
  • Fail-Safe power component design.
  • Reverse polarity protection on battery connections.
  • Short circuit protection on all output drivers.
  • Thermal cutback, warning, and automatic shutdown provide protection to motor and controller.
  • Rugged sealed housing and connectors meet IP65 environmental sealing standards for use in harsh environments.
• Meets or complies with relevant US and International Regulations
  • EMC: Designed to the requirements of EN12895.
  • Safety: Designed to the requirements of:
    • EN1175-1:1998+A1:2010
    • EN (ISO) 13849-1
  • IP65 Rated per IEC 60529.
  • UL recognized per UL583.