Description
🔹 Product Introduction
The ALLEN-BRADLEY 140G-N6H3-E12 is a three-pole molded case circuit breaker designed for industrial electrical distribution and circuit protection applications.
As part of the Allen-Bradley 140G family, this breaker is intended for use in industrial control panels, machinery power systems, motor-related installations, and electrical distribution equipment where reliable overcurrent and short-circuit protection is required.
The listed specification identifies a 3-pole configuration with high-voltage ratings including 690 V and 1000 V, together with an 8 kV insulation/impulse-related rating. Its compact molded-case construction makes it suitable for installation in industrial electrical equipment and replacement applications.
Before installation, the exact trip characteristics, interrupting capacity, terminal configuration, mounting arrangement, and system voltage should be verified against the existing electrical design.
⚙️ Product Features
🔹 Allen-Bradley 140G series circuit breaker
🔹 3-pole molded case construction
🔹 Industrial electrical protection
🔹 High-voltage application capability
🔹 690 V / 1000 V voltage specifications
🔹 8 kV rated insulation/impulse specification
🔹 Suitable for industrial distribution panels
🔹 Useful for machinery and automation equipment
🔹 Suitable for replacement and maintenance applications
📊 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Allen-Bradley |
| Model | 140G-N6H3-E12 |
| Series | 140G |
| Product Name | 3-Pole Molded Case Circuit Breaker |
| Poles | 3-Pole |
| Place of Manufacture | USA |
| Condition / Status | Used |
| Dimensions | Not specified |
| Weight | Approx. 5–8 kg |
| Rated Voltage | 690 V / 1000 V |
| Insulation / Impulse Rating | 8 kV |
⚡ Typical Applications
The Allen-Bradley 140G-N6H3-E12 can be used in industrial electrical distribution systems, automation control cabinets, production machinery, motor-control equipment, power panels, and industrial facility electrical systems.
It is also suitable as a maintenance spare for existing Allen-Bradley installations where the original molded case circuit breaker needs to be replaced without redesigning the complete panel.
🔧 Installation Considerations
Before installation, verify the breaker model and electrical ratings against the application.
Confirm the system operating voltage, available fault current, pole configuration, trip characteristics, conductor size, terminal arrangement, mounting dimensions, and required accessories.
⚠️ Electrical installation and replacement should be performed by qualified personnel with the system completely de-energized and appropriate safety procedures in place.
❓ Common Questions & Answers
Q1: What is the Allen-Bradley 140G-N6H3-E12?
A1: It is a three-pole molded case circuit breaker from the Allen-Bradley 140G series.
Q2: What is the main function of this breaker?
A2: It provides circuit protection against electrical overcurrent and fault conditions in industrial power systems.
Q3: How many poles does it have?
A3: The listed unit has three poles.
Q4: What voltage ratings are associated with the listing?
A4: The listing identifies 690 V and 1000 V specifications.
Q5: What does the 8 kV specification indicate?
A5: It is an insulation/impulse-related voltage rating associated with the breaker specification.
Q6: Where can this breaker be used?
A6: Typical applications include industrial distribution panels, machinery, automation cabinets, and electrical control systems.
Q7: Can it replace another Allen-Bradley breaker?
A7: Only when the electrical and mechanical specifications are compatible. The complete catalog number and trip characteristics should be checked before substitution.
Q8: Does the breaker include accessories?
A8: Accessories should not be assumed. The actual listing contents and the physical unit should be checked before purchase.
Q9: What should be checked before installation?
A9: Verify voltage, poles, interrupting capability, trip characteristics, terminal arrangement, mounting dimensions, and system fault-current requirements.
Q10: Is it suitable as a maintenance spare?
A10: Yes. It can be useful as a replacement or maintenance spare for compatible Allen-Bradley 140G installations.
📦 Recommended Allen-Bradley Models
- Allen-Bradley 140G-N6H3-E12
- Allen-Bradley 140G-N6H3-C12
- Allen-Bradley 140G-N6H3-D12
- Allen-Bradley 140G-N6H3-F12
- Allen-Bradley 140G-N6H3-G12
- Allen-Bradley 140G-N6H3-E16
- Allen-Bradley 140G-N6H3-E20
- Allen-Bradley 140G-N6H3-E25
- Allen-Bradley 140G-N6H3-E32
- Allen-Bradley 140G-N6H3-E40
