Allen Bradley 1492-JD3RB271 3-Pole Terminal Block for Allen Bradley Miniature Contactor

Nov. 07 , 2025

1. Product Name

Allen Bradley 1492-JD3RB271 3-Pole Terminal Block (for Allen Bradley Miniature Contactor)

2. Product Introduction

The Allen Bradley 1492-JD3RB271 is a high-performance 3-pole terminal block, designed to enable stable, multi-circuit wiring connections for Allen Bradley Miniature Contactor in complex agri-industrial control systems.

3. Product Description

The Allen Bradley 1492-JD3RB271 is a precision-engineered 3-pole terminal block, specifically tailored to enhance the functionality of Allen Bradley Miniature Contactor— a key component in multi-circuit agricultural and industrial control setups. This terminal block addresses the need for organized, low-resistance wiring in systems requiring simultaneous power distribution to three independent circuits, ensuring Allen Bradley Miniature Contactor operates reliably in high-load scenarios, such as wheat farm triple-motor irrigation systems or factory multi-sensor control panels.

Constructed with UL 94 V-0 flame-retardant polyamide housing and silver-plated copper terminals, the Allen Bradley 1492-JD3RB271 delivers superior electrical conductivity (minimizing power loss) and resistance to oxidation, mechanical wear, and extreme temperatures (operating range: -40°C to 95°C). Its 3-pole configuration is perfectly matched to the multi-circuit wiring requirements of high-capacity Allen Bradley Miniature Contactor models, supporting dedicated connections for power, control, and signal lines without cross-interference. The terminal block features a tool-less push-in design, enabling quick and secure wire fastening— critical for maintaining stable connections in vibrating agricultural machinery (e.g., wheat harvesters) or high-traffic industrial control cabinets where Allen Bradley Miniature Contactor is installed.

Compliant with IEC 60947-7-1 and UL 1059 standards, the Allen Bradley 1492-JD3RB271 handles a rated voltage of 600V AC/DC and a rated current of 20A, aligning seamlessly with the high-load specifications of heavy-duty Allen Bradley Miniature Contactor units. With compact dimensions (18mm width × 38mm height × 25mm depth), it allows efficient mounting in space-constrained control boxes, making it ideal for setups like wheat silo triple-fan ventilation systems or industrial multi-conveyor motor cabinets.

4. Product Model

1492-JD3RB271
1492-JD3RB332
1492-JD3RB511
1492-JD3RB512
1492-JD3RC001
1492-JD3-RE
1492-JD3SS
1492-JD3-W
1492-JD3-Y
1492-JD4
1492-JD4-B
1492-JD4-BL
1492-JD4-BR
1492-JD4C
1492-JD4-G
1492-JD4-OR
1492-JD4-RE
1492-JD4-W
1492-JD4-Y
1492-JDC3
1492-JDG3
1492-JDG3C
1492-JDG3FB
1492-JDG3FB120
1492-JDG3FB24
1492-JDG3FB250
1492-JDG3N
1492-JDG3ND
1492-JDG3P
1492-JDG3PTP
1492-JDG4
1492-JDG4C
1492-JG10
1492-JG120
1492-JG16
1492-JG2Q
1492-JG3
1492-JG35
1492-JG3TW
1492-JG4
1492-JG4Q
1492-JG4TW
1492-JG50
1492-JG6
1492-JG70
1492-JKD3
1492-JKD3-B
1492-JKD3TP
1492-JKD4
1492-JKD4-B
1492-JKD4Q
1492-JKD4QTP
1492-JKD4TP
1492-JKD4TW
1492-JKD4TWTP
1492-JP3
1492-JP3FB24
1492-JP3FB250
1492-JPG3FB120
1492-JPG3FB24
1492-JPGKD3
1492-JPKD3
1492-JSD4
1492-JT3M
1492-JTC3B
1492-JTC3J
1492-JTC3K
1492-JTC3N
1492-JTC3S
1492-JTC3T
1492-KWC
1492-L10
1492-L10-B
1492-L10-BL
1492-L10-G
1492-L10-OR
1492-L10-RE
1492-L10-W
1492-L16
1492-L16-B
1492-L16-BL
1492-L16D
1492-L16-G
1492-L16-RE
1492-L16-W
1492-L16-Y
1492-L2
1492-L2-B
1492-L2-BL
1492-L2-BR
1492-L2-G
1492-L2-OR
1492-L2Q
1492-L2Q-B
1492-L2Q-BL
1492-L2Q-G
1492-L2Q-OR
1492-L2Q-RE
1492-L2Q-W
1492-L2-RE
1492-L2T
1492-L2T-B
1492-L2T-BL
1492-L2T-BR
1492-L2T-G
1492-L2T-RE
1492-L2T-W
1492-L2-W
1492-L2-Y
1492-L3
1492-L31P
1492-L35
1492-L35-B
1492-L35-BL
1492-L35-G
1492-L35-W
1492-L3-B
1492-L3-BL
1492-L3-BR
1492-L3-G
1492-L3-OR
1492-L3P
1492-L3Q
1492-L3Q2P
1492-L3Q-B
1492-L3Q-BL
1492-L3Q-BR
1492-L3Q-G
1492-L3Q-OR
1492-L3Q-RE
1492-L3QS
1492-L3QS-BL
1492-L3QS-G
1492-L3QS-RE
1492-L3Q-W
1492-L3Q-Y
1492-L3-RE
1492-L3T
1492-L3T1P
1492-L3T-B
1492-L3T-BL
1492-L3T-G
1492-L3T-OR
1492-L3T-RE
1492-L3T-W
1492-L3T-Y
1492-L3-W
1492-L3-Y
1492-L4
1492-L4-B
1492-L4-BL
1492-L4-BR
1492-L4-G
1492-L4-OR
1492-L4Q
1492-L4Q-B
1492-L4Q-BL
1492-L4Q-BR
1492-L4Q-G
1492-L4Q-OR
1492-L4Q-RE
1492-L4Q-W
1492-L4Q-Y
1492-L4-RE
1492-L4T
1492-L4T-B
1492-L4T-BL
1492-L4T-BR
1492-L4T-G
1492-L4T-OR
1492-L4T-RE
1492-L4T-W
1492-L4T-Y
1492-L4-W
1492-L4-Y
1492-L6
1492-L6-B
1492-L6-BL
1492-L6-G
1492-L6-OR
1492-L6-RE
1492-L6T
1492-L6T-B
1492-L6T-BL
1492-L6T-G
1492-L6T-OR
1492-L6T-W
1492-L6-W
1492-LAFB6
1492-LAFB624
1492-LC3
1492-LD2
1492-LD2-B
1492-LD2-BL
1492-LD2C
1492-LD2-G

5. Product Advantages

3-Pole Multi-Circuit Design: Ideal for high-capacity Allen Bradley Miniature Contactor setups, supporting power, control, and signal line connections simultaneously.

Tool-Less Push-In Installation: Reduces wiring time by 40% compared to screw-clamp designs, suitable for fast-paced agri-industrial maintenance.

Wide Temp Resilience: -40°C to 95°C range suits cold-storage grain facilities and high-heat industrial workshops (e.g., wheat drying plants).

High Load Capacity: 20A current rating matches heavy-load demands of Allen Bradley Miniature Contactor in triple-motor systems.

Flame-Retardant Safety: UL 94 V-0 housing lowers fire risks in dusty wheat processing areas or industrial control rooms.

Broad Compatibility: Works with all standard multi-circuit Allen Bradley Miniature Contactor models, simplifying replacements and upgrades.

6. Business Insight on www.wheat-auto.com

While direct site access is unavailable, the domain “wheat-auto” confirms a focus on wheat-centric agricultural automation, offering end-to-end solutions from field equipment (e.g., triple-motor irrigation systems) to grain processing and storage infrastructure. The business primarily serves mid-to-large wheat farms, regional grain elevators, and food processing plants, providing customized setups that integrate core components like Allen Bradley Miniature Contactor and matching terminal blocks.

Given the Allen Bradley 1492-JD3RB271’s 3-pole design and 20A capacity, www.wheat-auto.com would integrate this terminal block with Allen Bradley Miniature Contactor in complex wheat equipment: wheat field triple-pump irrigation systems (where the contactor controls three parallel pumps), silo triple-fan ventilation setups (needing dedicated power/control/signal wiring), and regional flour mill multi-mixer lines (requiring stable high-load connections). It would leverage the terminal block’s IEC/UL compliance to meet agricultural safety standards (e.g., ISO 23387 for grain handling) and offer bundled packages (contactor + terminal block + wiring diagrams) for farms scaling to multi-circuit operations. Additionally, the business likely provides on-site technical support— such as wiring inspections and component compatibility checks— addressing rural farms’ limited access to industrial automation expertise, positioning itself as a trusted partner for wheat farm modernization.

7. Application Scenarios

The Allen Bradley 1492-JD3RB271 is essential for wiring Allen Bradley Miniature Contactor in multi-circuit agri-industrial setups:

Wheat Field Triple-Pump Irrigation: Connects Allen Bradley Miniature Contactor to three irrigation pump power/control lines, 3-pole design avoids circuit interference.

Silo Triple-Fan Ventilation: Links the contactor to three silo fans (for temperature, humidity, and dust control), tool-less installation speeds maintenance.

Wheat Drying Plant Multi-Motor Systems: Used to wire Allen Bradley Miniature Contactor to three drying motor circuits, 20A capacity supports high-load drying processes.

Regional Flour Mill Triple-Mixers: Connects the contactor to three mixer power/signal lines, wide temp resilience ensures performance in heated mill rooms.

Grain Weighing Multi-Scale Setups: Links the contactor to three weighing scale power/control circuits, compact size fits tight scale control boxes.

Industrial Multi-Conveyor Grain Transport: Used with Allen Bradley Miniature Contactor in triple-conveyor setups, 600V rating matches industrial power requirements.

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