Why the 153H-F108FCD-50 Belongs in Your Motor Control Cabinet
When a critical motor starter fails, every hour of downtime cuts into production. The Allen-Bradley 153H-F108FCD-50 is a solid-state controller from the SMC-Flex product line that combines a circuit breaker with advanced motor protection in a single, ready-to-install package. For oil, gas, and heavy industrial operations, this controller delivers the practical reliability you need without adding complexity to your control scheme.

What This SMC-Flex Controller Actually Does
The 153H-F108FCD-50 is designed to start and protect three-phase squirrel cage induction motors and wye-delta motors. Its 108 A controller rating and 75 Hp rating at 460V AC make it suitable for demanding motor loads. The integrated circuit breaker simplifies wiring and reduces panel space compared to separate starter and breaker components.
The IP65 (Type 4/12) enclosure protects internal electronics from dust, splashing water, and falling dirt. That means you can mount it in harsher plant environments where standard open starters would fail prematurely. Control voltage is 120V AC, a common control standard in North American industrial panels.
Key Specifications at a Glance
| Specification | Value |
|---|---|
| Manufacturer | Allen-Bradley |
| Product Line | SMC-Flex |
| Controller Rating | 108 A, 75 Hp @ 460V AC |
| Input Line Voltage | 500-575V AC, 3-phase, 50 and 60 Hz |
| Control Voltage | 120V AC |
| Enclosure Type | IP65 (Type 4/12) |
| Weight | 32.00 lbs (14.51 kg) |

Built-In Protection That Prevents Costly Motor Failures
Motor jams and locked-rotor conditions can destroy windings in seconds. The 153H-F108FCD-50 includes jam and stall protection with a programmable stall protection delay of 0 to 10 seconds. This delay begins after the programmed start time expires. If the controller detects a jam, it shuts down immediately after the interruption period, alerting operators before the motor reaches full speed. For maintenance teams, that early warning can mean the difference between a quick fix and a full motor replacement.
Where This Controller Fits Best
Oil and gas facilities often run pumps, compressors, and fans on three-phase power. The 500-575V AC input range and 50/60 Hz compatibility let you deploy the same controller across different regional power standards. The IP65 enclosure suits washdown areas, outdoor skids, and dusty process zones. When matched with appropriate short circuit protection, the 153H-F108FCD-50 safeguards the motor, controller, and power cabling against overheating from extreme overcurrent.
Practical Installation and Selection Advice
Before ordering, verify your motor’s full load amps and horsepower against the 108 A and 75 Hp ratings. Confirm your available control voltage is 120V AC. The 32 lb weight means two-person handling or a lift assist is wise during panel mounting. Ensure the enclosure door seals properly after wiring to maintain the IP65 rating.
For hands-on technical selection help, contact Oil AutoTech today for pricing and availability. We focus on fast dispatch, worldwide, so your line gets back up without unnecessary delays.
Integration and Lifecycle Notes
This controller works with standard three-phase motor circuits. If your system uses a fieldbus network, you may need an external gateway or connection module. Confirm cables and gateways with your supplier before installation. Please verify current lifecycle status and availability with Oil AutoTech before ordering.
Frequently Asked Questions
What is the horsepower rating of the 153H-F108FCD-50?
The controller rating is 75 Hp at 460V AC, with an HP output rating of 100.
What input voltage does this SMC-Flex controller accept?
It accepts 500-575V AC, 3-phase, at 50 and 60 Hz.
Does the 153H-F108FCD-50 include a circuit breaker?
Yes, it is a solid-state controller with an integrated circuit breaker.
What type of enclosure does this controller have?
It has an IP65 (Type 4/12) enclosure for protection against dust and water.
Can this controller protect against motor jams?
Yes, it provides jam and stall protection with a programmable 0 to 10 second delay.
