150-C85NBR Allen Bradley SMC-3 Soft Starter 85A 460V Motor Controller

Product Overview

• The Allen Bradley 150-C85NBR is an SMC-3 Smart Motor Controller.
• It works as a soft starter for three-phase motors.
• It controls motor start and stop smoothly.
• It reduces inrush current and mechanical stress.
• It supports line-connected and delta-connected motors.
• It fits compressors, chillers, pumps, conveyors, and crushers.
• It uses 24V AC / 24V DC control voltage.
• It delivers up to 85 Amperes output current.
• It comes with an open-type enclosure.

Key Benefits

• Soft Start limits sudden current draw.
• Kickstart gives extra torque at startup.
• Current Limiting protects the motor system.
• Coast to Stop allows free motor shutdown.
• Soft Stop reduces stop-time mechanical shock.
• Selectable start time improves acceleration control.
• Selectable initial torque reaches up to 65% of locked rotor torque.
• Selectable overload trip class meets different system needs.

Technical Specifications

• Brand: Allen Bradley
• Model: 150-C85NBR
• Series: SMC-3 Smart Motor Controller
• Product Type: Controller / Soft Starter
• Bulletin Number: 150
• UPC: 781180036835
• Weight: 7.63 lbs (3.46 kg)
• Line Voltage: 200 to 460V AC, 3-Phase
• Frequency: 50 and 60 Hz
• Control Voltage: 24V AC / 24V DC
• Current Rating: 85 Amperes
• Input Current: 85 A
• Wiring: 3-Wire
• Compatibility: Delta compatibility
• Enclosure Type: Open
• IP Rating: IP2X
• Pollution Degree: Degree 2
• Operating Modes: Soft Start, Kickstart, Current Limiting, Coast to Stop, Soft Stop
• Auxiliary Contacts: One N.O. for OVLD / FLT; One N.O. for Normal / Up-to-Speed
• Dielectric Withstand: 2200V AC power circuit
• Insulation Voltage: 600V AC power circuit
• Reverse Voltage: 1,400V
• DV/DT Protection: 1000V/µs
• Impulse Voltage: 6KV
• Control Circuit Insulation: 250V AC
• Control Impulse Rating: 2.5KV
• Control Dielectric Withstand: 1500V AC at 50 or 60 Hz
• Auxiliary Contact Rating: 250V AC or 30V DC
• Auxiliary Insulation Voltage: 250V
• Auxiliary Impulse Voltage: 2.5KV
• Auxiliary Dielectric Withstand: 1500V at 50 to 60 Hz
• Auxiliary Control Circuit: Electromagnetic, normally open relay contact
• Vibration Resistance: 1G
• Shock Resistance: 15G
• Maximum Altitude: 2000 m (6560 ft) without derating
• Heat Dissipation: 82 Watts steady state
• Temperature Range: -5 to 55 degrees Celsius
• Humidity Limit: 5 to 95% non-condensing
• Dimensions: 2.83 x 8.11 x 5.12 inches
• Circuit Protection: 300A non-time delay K5 fuse, 10KA fault limit
• Alternative Protection: 300A thermal magnetic breaker, 10KA fault limit
• High Capacity Protection: 175A time delay class J/CC fuse

Installation Guide

• Mount the controller in a clean, dry area.
• Keep enough space for airflow and wiring.
• Use 3-wire wiring for proper connection.
• Match line voltage to 200 to 460V AC.
• Use 24V AC or 24V DC for control.
• Connect auxiliary contacts for fault and speed signals.
• Check delta compatibility before wiring motors.
• Follow local electrical codes and safety rules.
• Use approved fuses or breakers for protection.

Setup and Maintenance

• Set start time to match motor load.
• Set initial torque for smooth acceleration.
• Set current limit based on full load current.
• Choose kickstart when high torque is needed.
• Select soft stop for gentle shutdown.
• Pick the right overload trip class.
• Check wiring and terminals often.
• Keep the unit free from dust and moisture.
• Review fault contacts during troubleshooting.

Compatibility Notes

• Works with line-connected motors.
• Works with delta-connected motors.
• Supports 3-phase systems.
• Supports 50 Hz and 60 Hz power.
• Uses 24V AC / 24V DC control.
• Fits industrial motor control panels.
• Ideal for compressors, chillers, pumps, conveyors, and crushers.

Certifications

• CE certified
• c-UL-us certified
• CSA certified
• CCC certified

Packing List

• One Allen Bradley 150-C85NBR controller
• Product documentation
• Protective packing materials

Warranty and Shipping

• Warranty: 12 months
• Dispatch: 12 to 24 hours
• Couriers: FedEx, UPS, DHL
• Support: sales@powergearx.com
• WhatsApp: +86 18030005825

Expert Review

• The 150-C85NBR is a strong choice for motor protection.
• It combines soft start and soft stop in one unit.
• Its 85 A rating suits many medium-duty applications.
• The 24V control makes panel integration easier.
• Selectable settings give users useful flexibility.
• It is a practical soft starter for industrial sites.

Manager’s Insight

• This controller cuts startup stress on motors and driven equipment.
• It helps reduce downtime and maintenance cost.
• Stock this model for pump, fan, and conveyor service.
• It is a reliable spare for SMC-3 based systems.
• Fast shipping helps urgent plant repairs.

Best Fit Applications

• Air compressors
• Chillers
• Pumps
• Conveyors
• Crushers
• Fans and blowers
• Mixers and agitators
• Material handling systems

FAQ

• Q: What is the Allen Bradley 150-C85NBR?
  A: It is an SMC-3 smart motor controller and soft starter.
• Q: What voltage does it use?
  A: It uses 200 to 460V AC, 3-phase line voltage.
• Q: What is the control voltage?
  A: The control voltage is 24V AC or 24V DC.
• Q: How much current can it handle?
  A: It handles up to 85 Amperes.
• Q: Can it work with delta motors?
  A: Yes, it supports delta-connected motors.
• Q: Does it support soft stop?
  A: Yes, it supports soft stop and coast to stop.
• Q: What applications suit this model?
  A: It suits compressors, chillers, pumps, conveyors, and crushers.
• Q: How many auxiliary contacts does it have?
  A: It has two normally open auxiliary contacts.
• Q: What is the warranty?
  A: It comes with a 12-month warranty.
• Q: How fast is shipping?
  A: Orders ship in 12 to 24 hours.
• Q: Which couriers are used?
  A: FedEx, UPS, and DHL are used.
• Q: How do I choose the right soft starter?
  A: Match current, voltage, control type, and load profile.
• Q: What should I check before buying?
  A: Check motor FLA, line voltage, and startup torque needs.
• Q: Can I use it for frequent starts?
  A: Yes, but review duty cycle and thermal limits.
• Q: What if the motor trips often?
  A: Check current limit, overload class, and wiring.
• Q: Is it easy to maintain?
  A: Yes, regular cleaning and terminal checks are enough.
• Q: Where can I send questions?
  A: Email sales@powergearx.com or use +86 18030005825.

Buying Guide

• Confirm motor full load current first.
• Check line voltage and phase.
• Match control voltage to your panel.
• Choose overload class for the load type.
• Pick soft stop for high-inertia loads.
• Use current limit for weak power supplies.
• Check enclosure needs for your site.
• Review certifications for your region.
• Order spare fuses and breakers as needed.

Contact Information

• Email: sales@powergearx.com
• WhatsApp: +86 18030005825

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