Allen Bradley 140M-C2E-C16 Motor Protection Circuit Breaker
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Allen Bradley 140M-C2E-C16 - 16A 3 Pole Motor Protection Circuit Breaker
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Description
Engineered for industrial motor control, the 140M-C2E-C16 delivers thermal-magnetic protection with a 16A rating. The adjustable 10-16A thermal trip ensures precise response to overloads. This 3-pole C-frame protector installs onto DIN rails and pairs with Bulletin 100 contactors. It is replaced by the newer 140MT-C3E-C16 model. Delivering 30kA at 480Y/277VAC, this unit features phase loss protection, current limiting, and a Class 10 trip curve.Specifications
| Brand | Allen Bradley |
|---|---|
| Part Number | 140M-C2E-C16 |
| Series | 140M |
| Amperage | 16A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 30kA @ 480Y/277VAC, 30kA @ 600Y/347VAC |
| Amperage Range | 10-16A |
|---|
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | Bulletin 100 Contactors, Motor Control Centers |
| Wire Gauge | 16-8 AWG |
| Max Wire | 8 AWG |
| Min Wire | 16 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 |
|---|---|
| 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
8 answersWhat are the 3-phase horsepower ratings for the 140M-C2E-C16?
This motor protection circuit breaker is rated for 5 HP at 200V and 230V, 10 HP at 460V, and 15 HP at 575V.
What is the thermal adjustment range and magnetic trip threshold for this breaker?
The thermal overload protection is adjustable from 10 to 16 amps. The fixed magnetic trip is set at 13 times the maximum rated current, which equals 208 amps.
What is the trip class rating for the 140M-C2E-C16?
This motor protection circuit breaker features a Class 10 trip mechanism, which is standard for most industrial motor applications.
Has the 140M-C2E-C16 been discontinued, and what is the direct replacement?
Yes, the 140M series has been discontinued by Rockwell Automation. The direct catalog replacement in the newer 140MT series is the 140MT-C3E-C16.
Which contactors are compatible with this circuit breaker for building combination motor controllers?
This breaker is designed to coordinate with Allen-Bradley Bulletin 100-C and 100-E contactors for Type E and Type F combination motor controller applications.
Can the 140M-C2E-C16 be used to protect control transformers or power supplies?
No. The 140M series is UL 508 listed specifically for motor protection. Using it for non-motor loads like transformers violates UL listing requirements, as it lacks the UL 489 listing required for general branch circuit protection.
Does this breaker provide visible trip indication?
Yes, the rotary operating handle provides clear visual indication when the breaker has tripped due to an overload or short circuit, allowing for quick fault detection in control panels.
What is the frame size and width of the 140M-C2E-C16?
It is a C-Frame breaker with a compact 45mm width, designed to save space when mounted on a DIN rail in motor control centers.
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