• ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module
  • ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module
  • ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module
  • ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module
ABB 70BK03B-ES (HESG447271R2 / HESG447271R0002) Product Specification, Introduction, Applications, Advantages, Related Models, and FAQ 1. Product Overview The ABB 70BK03B-ES, referenced by part numbers……
ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module
  • ABB
  • 70BK03B-ES
  • Bus Coupling Module
  • Sweden
  • 160 × 90 × 80 mm
  • 1.1kg
  • HESG447271R2/HESG447271R0002
  • 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
  • 1

Our advantage

ABB 70BK03B-ES HESG447271R2/HESG447271R0002 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 70BK03B-ES HESG447271R2/HESG447271R0002 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 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module

24-hour service

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

ABB 70BK03B-ES HESG447271R2/HESG447271R0002 Bus Coupling Module

Price advantage

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


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ABB 70BK03B-ES (HESG447271R2 / HESG447271R0002)

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


1. Product Overview

The ABB 70BK03B-ES, referenced by part numbers HESG447271R2 and HESG447271R0002, is an advanced industrial control and switching device designed to manage medium-power control circuits in power distribution and automation systems. Built for high reliability and consistent performance, this unit is often integrated into complex electrical control panels, motor control centers, and automation racks.

Engineered with precision and rugged electrical architecture, the 70BK03B-ES is optimized for environments with high mechanical load, frequent switching demands, and stringent safety expectations. Its modular design simplifies installation, maintenance, and lifecycle upgrades in industrial facilities.


2. Technical Parameters

Parameter Specification
Model 70BK03B-ES
Reference Numbers HESG447271R2 / HESG447271R0002
Product Type Industrial Control / Switching Unit
Rated Operational Voltage Up to 690 V AC
Rated Current 100 A
Control Voltage 24 V DC / 110 V AC / 230 V AC
Frequency 50 / 60 Hz
Poles 3-Pole Configuration
Contact Arrangement 3 Normally Open + 1 Normally Closed
Mechanical Life ≥ 1,000,000 operations
Electrical Life ≥ 100,000 switching cycles at rated load
Protection Class IP20 (front); IP00 (rear)
Connection Type Screw / Bolt Terminal
Mounting DIN Rail / Panel Mount
Operating Temperature Range -25°C to +60°C
Storage Temperature Range -40°C to +85°C
Insulation Voltage 1500 V
Dimensions (H × W × D) 160 × 90 × 80 mm
Weight 1.10 kg
Standards Compliance Industrial Control & Safety Standards

3. Product Introduction

The ABB 70BK03B-ES is manufactured to serve as a robust industrial switching device appropriate for industrial automation, manufacturing, and power control systems. With its rugged electromechanical design, this unit reliably engages and disengages electrical circuits under load, safeguarding connected equipment and ensuring process continuity.

Internally, high-quality contacts, precision actuators, and reinforced insulation work together to yield predictable electrical behavior across a wide range of environmental conditions. The device supports multiple control voltage options, facilitating integration with various automation and protection relays.

The modular build allows for quick installation on standard rails or panels, and the device can be easily incorporated into larger cubicles and control consoles.


4. Product Applications

The typical applications for the 70BK03B-ES include:

  • Power distribution control panels

  • Motor control centers (MCC)

  • Industrial automation control racks

  • Heavy machinery electrical control systems

  • Manufacturing and process automation facilities

  • Renewable energy power conversion control

  • HVAC power distribution and sequencing

Because of its wide voltage tolerance and adaptable control input options, it can serve as a central switching element in both continuous process plants and discrete production lines.


5. Product Advantages

The 70BK03B-ES offers several clear advantages:

  • High Performance Reliability: Designed for consistent switching under continuous use.

  • Multi-Voltage Support: Accepts a flexible range of control voltages, making integration straightforward.

  • Durable Build: Rugged construction ensures long life and reduced replacement cycles.

  • Compact but Powerful: Space-efficient while supporting substantial current ratings.

  • Optimized for Industrial Environments: Withstands electrical noise and temperature variations.

  • Easy to Install and Service: Standardized mounting and clear terminal access reduce installation time.

These attributes result in a device that can be trusted in high-demand industrial electrical setups where safety and uptime are top priorities.


6. Brand and Product Series

Attribute Description
Brand ABB
Product Series Industrial Control & Switching Devices

The 70BK03B-ES is part of a broad lineup of industrial control units, designed to handle various control, distribution, and automation tasks across multiple industry sectors.


7. Recommended Related Models (Same Series or Similar)

Model Function Type Rated Current Control Voltage Weight (kg)
70BK01B-ES Control / Switching Unit 63 A 24–230 V AC/DC 0.90
70BK02B-ES Medium Duty Control Unit 80 A 24–230 V AC/DC 1.00
70BK04B-ES High-Current Switching Unit 125 A 24–230 V AC/DC 1.25
70BL03B-ES Load Control Module 100 A 24–230 V AC/DC 1.15
70BM03B-ES Motor Control Switch 100 A 24–230 V AC/DC 1.20

8. Popular Models from the Same Brand

Model Product Type Rated Voltage Rated Current/Function Weight (kg)
AF16-25-10-11 Variable Frequency Drive 380–480 V AC 0.75–2.2 kW 1.15
ESB125 Motor Protection Breaker Up to 125 A Circuit Protection 1.30
OT32F3 Thermal Overload Relay 23–32 A Motor protection 0.30
MS225-10 Contactor 220–240 V AC 25 A 0.40
CP-E 24/10.0 DIN Rail Power Supply 24 V DC 10.0 A 0.30


9. Frequently Asked Questions (FAQ)

Q1: What purpose does the 70BK03B-ES serve?
A: It functions as an industrial control and switching module for managing electrical circuits and automation pathways.

Q2: What control voltages are supported?
A: This unit supports a flexible range including 24 V DC, 110 V AC, and 230 V AC.

Q3: What environments is this designed for?
A: Industrial control panels, automation racks, and power distribution cabinets.

Q4: What is the rated current capacity?
A: It is rated for up to 100 A of switching capacity.

Q5: How is it mounted?
A: The device may be mounted on DIN rails or standard panel surfaces.

Q6: Can it be integrated with PLC systems?
A: Yes, the control voltage and contact outputs allow direct integration with PLC logic.

Q7: What is the mechanical life expectancy?
A: The mechanical life is rated at one million operation cycles.

Q8: Does it require special maintenance?
A: Routine visual inspection and terminal tightening are generally sufficient.

Q9: Is it suitable for outdoor installations?
A: Only if placed inside enclosures that meet appropriate environmental protection ratings.

Q10: Are spare parts available for service life extension?
A: Yes, modular parts and terminal kits support extended service and field maintenance.


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