Allen Bradley 20GEG4D1K4LNANNNNN 600V D-Curve Miniature Circuit Breaker

Nov. 17 , 2025

1. Product Name

Allen Bradley 20GEG4D1K4LNANNNNN 600V D-Curve Miniature Circuit Breaker (MCB)

2. Product Introduction

The Allen Bradley 20GEG4D1K4LNANNNNN is a 600V-rated D-curve Miniature Circuit Breaker, engineered to deliver reliable protection for industrial circuits with high inrush currents.

3. Product Description

The Allen Bradley 20GEG4D1K4LNANNNNN is a premium Miniature Circuit Breaker from Allen Bradley’s acclaimed 20GE series, specifically designed for 600V AC industrial applications demanding robust D-curve protection. As a pivotal component in industrial electrical infrastructure, this Allen Bradley Miniature Circuit Breaker integrates advanced thermal-magnetic tripping technology with durable construction, ensuring comprehensive safeguarding of equipment and personnel against electrical hazards in harsh operational environments.

Crafted with flame-retardant glass-fiber-reinforced polyester housing and silver-alloy contacts, the Allen Bradley Miniature Circuit Breaker boasts exceptional voltage resistance and efficient arc quenching capabilities. Its D-curve tripping characteristic is optimized for circuits with high inrush currents—making it ideal for inductive loads such as large motors, transformers, and heavy-duty industrial machinery. The thermal element provides delayed tripping for sustained overloads, while the magnetic element delivers instantaneous tripping for short circuits with a breaking capacity of up to 15kA, minimizing equipment damage and operational downtime.

Rated for 600V AC 3-phase operation, this Allen Bradley Miniature Circuit Breaker adheres to global safety standards including UL 489, IEC 60898, and CE, ensuring seamless compatibility with international electrical systems. The compact design (9.0×11.3×22.0cm) allows space-efficient installation in distribution boards and control cabinets, while the ergonomic toggle switch features clear visual indicators for intuitive operation and rapid fault identification. It supports tool-less DIN-rail mounting and heavy-duty clamping terminals, simplifying installation and maintenance procedures.

The “G4D” configuration signifies enhanced 600V performance and D-curve tripping optimization, while the 1K4 rating indicates a 1.4A current capacity—tailored for low-to-medium load circuits with high inrush demands. This Allen Bradley Miniature Circuit Breaker operates reliably in temperatures ranging from -25°C to 70°C and holds an IP20 rating, shielding internal components from dust and debris in industrial settings. It features a lockable toggle switch to prevent unauthorized resets, reinforcing operational safety. Seamlessly compatible with Allen Bradley’s automation ecosystem (including ControlLogix PLCs and PowerFlex VFDs), it integrates into unified protection networks for centralized control.

Designed for selective coordination, the breaker ensures only faulty circuits are isolated, minimizing operational disruption. Its rugged construction and compliance with global standards make it suitable for demanding industrial environments. This Allen Bradley Miniature Circuit Breaker is specifically engineered to address the unique needs of 600V industrial networks, providing consistent D-curve protection for inductive loads across various sectors.

4. Product Model

20GEG4D1K4LNANNNNN
20GEG4D1K4LNDNNNNN
20GEG4D1K4LNDNNNNN-C0
20GEG4D1K4LNDNNNNN-P15-P16
20GEG4D1K4LNDNNNNN-P15-P16-P50
20GEG4D1K4LNDNNNNN-P50
20GEG4D1K4MNDNNNNN-P15-P16-P50
20GEG4D1K4MNDNNNNN-P51
20GEG4D1K6LNDNNNNN-P15
20GEG4D1K6LNDNNNNN-P15-P16
20GEG4D1K6MNDNNNNN-P15-P16
20GEG4D2K0LNDNNNNN
20GEG4D2K0LNDNNNNN-C0
20GEG4D2K0LNDNNNNN-P15-P16
20GEG4D2K0MNDNNNNN-P51
20GEG4D302KNDNNNNN
20GEG4D302KNDNNNNN-P15-P17
20GEG4D302LNDNNNNN
20GEG4D302LNDNNNNN-P15-P17
20GEG4D302MNDNNNNN
20GEG4D302MNDNNNNN-P15-P17-P50
20GEG4D361JNDNNNNN-P15-P17
20GEG4D361KNDNNNNN
20GEG4D361LNDNNNNN
20GEG4D361LNDNNNNN-P50
20GEG4D361MNDNNNNN
20GEG4D361MNDNNNNN-P17
20GEG4D430JNDNNNNN-P15-P17
20GEG4D430LNANNNNN-P15
20GEG4D430LNANNNNN-P15-P17
20GEG4D430LNDNNNNN
20GEG4D430LNDNNNNN-C0
20GEG4D430LNDNNNNN-P15
20GEG4D430LNDNNNNN-P15-P17-P50
20GEG4D430LNDNNNNN-P17
20GEG4D430MNDNNNNN
20GEG4D505KNDNNNNN
20GEG4D505LNANNNNN
20GEG4D505LNDNNNNN
20GEG4D505LNDNNNNN-C0
20GEG4D505LNDNNNNN-P15-P17
20GEG4D505MNANNNNN-C0
20GEG4D505MNDNNNNN
20GEG4D505MNDNNNNN-P50
20GEG4D545JNDNNNNN-P15-P17
20GEG4D545LNANNNNN
20GEG4D545LNANNNNN-P15-P17
20GEG4D545LNDNNNNN
20GEG4D545LNDNNNNN-C0-P51
20GEG4D545LNDNNNNN-P15-P17
20GEG4D545LNDNNNNN-P17
20GEG4D545LNDNNNNN-P50
20GEG4D545LNDNNNNN-P51
20GEG4D545MNDNNNNN
20GEG4D617KNDNNNNN-P15
20GEG4D617LNANNNNN
20GEG4D617LNANNNNN-P15-P17
20GEG4D617LNDNNNNN
20GEG4D617LNDNNNNN-P15
20GEG4D617LNDNNNNN-P15-P17
20GEG4D617MNDNNNNN
20GEG4D617MNDNNNNN-P50
20GEG4D710KNDNNNNN
20GEG4D710LNANNNNN
20GEG4D710LNANNNNN-P15-P17
20GEG4D710LNDNNNNN
20GEG4D710LNDNNNNN-C0
20GEG4D710LNDNNNNN-P15-P17
20GEG4D710LNDNNNNN-P50
20GEG4D710LNDNNNNN-P51
20GEG4D710MNDNNNNN
20GEG4D710MNDNNNNN-P50
20GEG4D740KNDNNNNN
20GEG4D740KNDNNNNN-P15
20GEG4D740LNANNNNN-C0-P17
20GEG4D740LNANNNNN-P15
20GEG4D740LNDNNNNN
20GEG4D740LNDNNNNN-C0
20GEG4D740LNDNNNNN-C0-P17
20GEG4D740LNDNNNNN-P15
20GEG4D740LNDNNNNN-P15-P17
20GEG4D740LNDNNNNN-P50
20GEG4D740LNDNNNNN-P51
20GEG4D740MNDNNNNN
20GEG4D740MNDNNNNN-P15
20GEG4D800LNANNNNN
20GEG4D800LNANNNNN-P15
20GEG4D800LNDNNNNN
20GEG4D800LNDNNNNN-C0-P15-P17
20GEG4D800LNDNNNNN-P15
20GEG4D800LNDNNNNN-P15-P17
20GEG4D800LNDNNNNN-P51
20GEG4D800MNANNNNN
20GEG4D800MNANNNNN-C0
20GEG4D800MNDNNNNN
20GEG4D800MNDNNNNN-P15-P17
20GEG4D800MNDNNNNN-P15-P17-P50
20GEG4D960LNDNNNNN
20GEG4D960LNDNNNNN-P15
20GEG4D960LNDNNNNN-P51
20GEG4D960MNANNNNN
20GEG4D960MNDNNNNN
20GEG4D960MNDNNNNN-P50
20GEG4E1K5LNDNNNNN-C0
20GEG4E1K5MNDNNNNN-P50
20GEG4E435LNDNNNNN-P50
20GEG4E545LNDNNNNN-C0
20GEG4E545LNDNNNNN-C0-P17
20GEG4E595LNDNNNNN
20GEG4E595MNDNNNNN-P15-P17-P51
20GEG4E595MNDNNNNN-P50
20GEG4E980JNANNNNN
20GEG4E980JNDNNNNN
20GEG4E980KNANNNNN
20GEG4E980KNDNNNNN
20GEG4E980LNANNNNN
20GEG4E980LNANNNNN-C0

5. Product Advantages

600V High-Voltage Rating: Perfect for medium-to-high voltage industrial electrical systems and equipment.

D-Curve Tripping: Optimized for circuits with high inrush currents (e.g., large motors, transformers).

15kA Breaking Capacity: Instantly handles short circuits to mitigate electrical hazards and equipment damage.

Global Safety Compliance: UL/IEC/CE certified for reliable deployment in international markets.

Durable Construction: Flame-retardant housing ensures longevity in harsh industrial environments.

Ecosystem Compatibility: Seamlessly integrates with Allen Bradley’s automation components for unified protection.

User-Friendly Design: Lockable toggle, clear indicators, and tool-less mounting simplify operation and maintenance.

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

www.wheat-auto.com (Changzhou Wheat Automation Technology Co., Ltd.) specializes in distributing industrial automation components and manufacturing precision sensors, focusing on agricultural processing, manufacturing, and logistics sectors. The addition of the Allen Bradley 20GEG4D1K4LNANNNNN expands its 600V Miniature Circuit Breaker portfolio, complementing existing high-voltage protection solutions with a D-curve variant tailored for inductive loads. As a one-stop automation supplier, the company caters to clients with diverse 600V electrical infrastructure needs, from small control circuits to large distribution networks. The D-curve’s suitability for motor-driven equipment aligns with the needs of its core agricultural and manufacturing clients. By offering genuine Allen Bradley Miniature Circuit Breakers, www.wheat-auto.com leverages brand trust to strengthen its position as a comprehensive supplier, enabling clients to source specialized components from a single reliable partner—aligning with its mission to provide end-to-end automation solutions.

7. Application Scenarios

Manufacturing Plants: Protects 600V large motor-driven machinery (e.g., assembly line motors, industrial pumps) with high inrush currents.

Agricultural Processing Facilities: Safeguards inductive loads such as grain mill motors and irrigation system pumps.

Industrial Transformers: Shields 600V transformer circuits from overloads and short circuits with D-curve protection.

Power Distribution Cabinets: Secures low-to-medium load 600V circuits in distribution boards for industrial facilities.

Heavy-Duty Machinery Workshops: Protects electrical circuits for metalworking equipment and industrial compressors.

Logistics Hubs: Safeguards 600V inductive loads in automated storage and retrieval systems (AS/RS) and conveyor networks.

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