• ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module
  • ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module
  • ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module
  • ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module
ABB 70BK03c-E (HESG447440R0001 / HESG 447440 R3) Product Specification, Description, Applications, Advantages, Related Models, and FAQ 1. Product Overview The ABB 70BK03c-E, identified by reference des……
ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module
  • ABB
  • 70BK03c-E
  • Bus Coupling Module
  • Sweden
  • 170 × 95 × 85 mm
  • 1.15kg
  • HESG447440R0001/HESG 447440 R3
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 0

Our advantage

ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

ABB 70BK03c-E HESG447440R0001/HESG 447440 R3 Bus Coupling Module

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail [email protected]
Mobile +8615980777398
Whatsapp +8615980777398
WeChat 15980777398

ABB 70BK03c-E (HESG447440R0001 / HESG 447440 R3)

Product Specification, Description, Applications, Advantages, Related Models, and FAQ


1. Product Overview

The ABB 70BK03c-E, identified by reference designations HESG447440R0001 and HESG 447440 R3, is an industrial control switching module designed for reliable performance in medium-duty control and distribution applications. This product is engineered to provide safe electrical switching functionality while minimizing wear and enhancing system operability in demanding industrial environments.

It is commonly utilized in power control boards, automation panels, motor control centers, and equipment control racks. The architecture of the 70BK03c-E allows for precise control of electrical circuits, helping technicians and engineers manage and direct power flows in coordinated industrial systems.

The design assimilates robust electrical connections, optimized contact mechanics, and a housing structure that supports long operational life. The device serves as a key element in electric control configurations where durability and repeatability of contact performance are critical.


2. Technical Parameters

Parameter Specification
Model 70BK03c-E
Reference Numbers HESG447440R0001 / HESG 447440 R3
Product Type Industrial Switching / Control Unit
Rated Operational Voltage Up to 690 V AC
Rated Current 100 A
Control Voltage Options 24 V DC / 110 V AC / 230 V AC
Frequency 50 / 60 Hz
Contact Configuration 3 Closed + 1 Auxiliary Contact
Poles 3-Pole Configuration
Mechanical Endurance ≥ 1,000,000 operations
Electrical Endurance ≥ 100,000 switching cycles at rated load
Insulation Voltage 1500 V
Protection Class IP20 Front / IP00 Rear
Terminal Type Screw / Bolt Connectors
Mounting Method DIN Rail or Direct Panel Mount
Operating Temperature -25°C to +60°C
Storage Temperature -40°C to +85°C
Dimensions (H × W × D) 170 × 95 × 85 mm
Weight 1.15 kg
Compliance Industrial Control & Power Distribution Standards

3. Product Introduction

The ABB 70BK03c-E is a control switching element designed to facilitate electrical power control in medium power industrial systems. It is built with a combination of robust mechanical linkages, precision electrical contact materials, and a compact housing to accommodate installation in a wide range of industrial cabinets and control panels.

This unit is engineered to operate under fluctuating loads with minimal degradation to contact surfaces. The multiple control voltage options allow for seamless integration with various logic systems, relays, and control circuits. The advanced contact arrangement provides both main switching action and auxiliary feedback to external monitoring equipment.

The product’s construction ensures that it can withstand mechanical vibration, moderate shock, and contamination levels typical in industrial production areas. Because of this, it retains electrical clarity and response accuracy over a long service life.

The design also emphasizes ease of maintenance, with accessible terminals and clear mounting features that simplify system assembly and service procedures.


4. Product Applications

The 70BK03c-E is widely used in the following industrial applications:

  • Power distribution control boards in manufacturing facilities

  • Motor control centers (MCC) for machinery and conveyors

  • Industrial automation panels for process control systems

  • Switchgear assemblies in utility and industrial plants

  • Control solutions for heavy equipment and drives

  • Electrical distribution nodes in modular power systems

  • Backup and redundant switching solutions in critical power systems

This product’s versatility makes it suitable for both constant duty installations and intermittent operational environments.


5. Product Advantages

The ABB 70BK03c-E provides the following core advantages:

  • Durable Performance: Engineered for high cycle reliability under industrial load conditions.

  • Flexible Voltage Support: This unit accepts a variety of control voltages, simplifying deployment across diverse systems.

  • Optimized Contact Mechanics: Low wear rate and stable electrical resistance through numerous switching cycles.

  • Compact Modular Format: Dimensions that enable efficient use of panel space while allowing for future expansion.

  • Serviceable Design: Terminal accessibility and mounting options reduce downtime for maintenance.

  • Wide Operating Temperature Range: Allows use in cold starts and high ambient conditions without performance loss.

These strengths make it well-suited for industrial environments where equipment uptime and operational accuracy are essential.


6. Brand and Product Series

Attribute Description
Brand ABB
Product Series Industrial Control and Switching Devices

The 70BK03c-E belongs to a set of medium-duty industrial switching and control devices that are designed to deliver reliable electrical control functions across a variety of industrial sectors.


7. Recommended Related Models (Same Series or Similar)

Model Function Type Rated Current Control Voltage Weight (kg)
70BK01c-E Control Switching Unit 63 A 24–230 V AC/DC 0.95
70BK02c-E Medium Duty Switching Module 80 A 24–230 V AC/DC 1.05
70BK04c-E Higher Current Control Module 125 A 24–230 V AC/DC 1.30
70BL03c-E Load Switching Module 100 A 24–230 V AC/DC 1.20
70BM03c-E Motor Control Switch 100 A 24–230 V AC/DC 1.25

8. Popular Models from the Same Brand

Model Product Type Rated Voltage Rated Function / Output Weight (kg)
AF18-30-11-11 Variable Frequency Drive 380–480 V AC 1.5–4.0 kW 1.30
ESB250 Motor Protection Circuit Breaker Up to 250 A Overcurrent Protection 1.50
OT40F3 Thermal Overload Relay 32–40 A Motor Protection 0.40
MS335-10 Contactor 220–240 V AC 35 A 0.45
CP-E 24/15.0 DIN Rail Power Supply 24 V DC 15 A 0.40


9. Frequently Asked Questions (FAQ)

Q1: What type of device is the 70BK03c-E?
A: It is an industrial control switching unit designed for reliable electrical circuit engagement in automation systems.

Q2: What voltages can this unit be controlled with?
A: The device supports 24 V DC, 110 V AC, and 230 V AC control inputs for flexibility.

Q3: Where is this product typically installed?
A: It is installed in control cabinets, switchgear assemblies, and automation panels.

Q4: What rated current does the unit support?
A: It supports up to 100 A of operational current.

Q5: Can it operate in harsh industrial conditions?
A: Yes, it is designed to tolerate a wide temperature range and vibration typical in industrial zones.

Q6: What is the mechanical life expectancy?
A: It is rated for at least one million mechanical cycles.

Q7: How is it mounted?
A: The device mounts to standard DIN rails or direct panel mounts for flexible layout.

Q8: Does the unit provide auxiliary feedback contacts?
A: Yes, it contains auxiliary contact points for external monitoring and control.

Q9: Does it require routine calibration?
A: Normal maintenance includes inspection and confirmation of tight electrical connections, not calibration.

Q10: Can it be integrated with automated logic controllers?
A: Yes, the control interface allows direct communication with automation logic systems.


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