Allen Bradley 140MF8EC16 140M-F8E-C16 - 16A 3 Pole Motor Protection Circuit Breaker
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See full specsAllen Bradley 140M-F8E-C16 - 16A 3 Pole Motor Protection Circuit Breaker
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Description
Part of the Bulletin 140M series, this Allen Bradley 16A motor circuit protector delivers reliable phase loss and overload protection for industrial applications. It features an adjustable thermal trip range of 10-16A and a fixed magnetic trip for instantaneous short-circuit response. Designed for DIN-rail mounting, it seamlessly integrates with Bulletin 100-C contactors. Note that this unit is replaced by the 140MT-D9E-C16.Specifications
| Brand | Allen Bradley |
|---|---|
| Part Number | 140MF8EC16 |
| Series | 140M |
| Amperage | 16A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 30kA @ 600Y/347VAC |
| Amperage Range | 10-16A |
|---|
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | Bulletin 100-C Contactors, Motor Control Centers |
| Wire Gauge | 14-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Undervoltage Release, Busbar System, Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 14, IEC 60947-2, IEC 60947-4-1, UL 508 |
| Approval | CCC, CE, CSA, cULus, GOST, UL |
| Temp Rating | -25C to 60C |
| Construction Features | Phase Loss Protection, Current Limiting |
Product FAQs
7 answersWhat is the adjustable thermal trip range for the 140M-F8E-C16?
The thermal trip setting on this F-frame motor protection circuit breaker is adjustable from 10A to 16A, allowing precise coordination with your motor specifications.
What is the fixed magnetic trip current for this circuit breaker?
The magnetic short-circuit protection is fixed at 13 times the maximum thermal setting, which equals 208A for this 16A breaker.
What trip class does the 140M-F8E-C16 fall under for overload protection?
This motor protection circuit breaker provides Trip Class 10 overload protection.
What is the maximum switching frequency for the 140M-F8E-C16?
The maximum switching frequency for this motor protection circuit breaker is 25 operations per hour.
What is required to use the 140M-F8E-C16 as a UL 508 Manual Self-Protected (Type E) Combination Motor Controller?
To achieve a Type E rating, you must install the 140M-F-TE spacing adapter on the line side of the breaker to meet UL spacing requirements.
How does the 140M-F8E-C16 connect to Bulletin 100-C contactors?
It can be mechanically and electrically linked to Bulletin 100-C contactors using the 140M-F-PNC37 connecting module to build a compact combination motor starter.
What is the designated replacement for the 140M-F8E-C16?
Rockwell Automation has designated the 140MT-D9E-C16 as the engineering replacement for this discontinued F-frame breaker.
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