ABB UB370E HEIE420794R Protection Unit

We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

1. Product Overview

The ABB UB370E (HEIE420794R) is a high-performance protection unit designed to monitor and protect low- and medium-voltage electrical equipment such as inverters, contactors, motors, and distribution systems. It detects overcurrent, overvoltage, undervoltage, short circuits, and other electrical faults, providing relay outputs or direct load disconnection to ensure equipment protection and system safety. The modular design allows easy installation and maintenance, suitable for industrial automation, energy management, and machinery protection.

2. Technical Specifications

3. Key Advantages & Features

1. Comprehensive Protection

   • Monitors multiple electrical faults including overcurrent, short circuit, overvoltage, undervoltage, and overtemperature for safe equipment operation.

2. Fast Response

   • ≤ 20 ms response time quickly isolates faulty circuits to prevent equipment damage.

3. Modular Design

   • DIN rail or panel mount allows easy expansion and maintenance.

4. Multiple Output Options

   • Relay and analog outputs can interface directly with PLCs or automation systems.

5. Industrial-Grade Reliability

   • Flame-retardant housing, vibration-resistant, temperature-tolerant, suitable for long-term industrial operation.

4. Typical Applications

• Protection of ABB low- and medium-voltage electrical equipment

• Motor and load protection in industrial automation lines

• Monitoring of distribution systems and inverters

• Energy management and smart grid protection

• Machinery and industrial electrical system safety monitoring

5. Usage Precautions

• Power Matching: Ensure supply voltage matches the specification to avoid module damage.

• Wiring Standards: Follow manual instructions for current, voltage, and signal terminals to prevent malfunction or damage.

• Environment: Avoid high humidity, high temperature, and corrosive gases; ensure proper cooling.

• Maintenance: Periodically check module status and terminal connections for long-term reliable operation.

• Safety: Disconnect power before installation or maintenance to prevent electric shock or module damage.

The structure and details of the product：

 Please make an inquiry for more models：

ABB NCAN-02 CAN-BAS

ABB AF12ZB-30-10RT-22

ABB AF09-30-01-13

ABB 77-143V DC, TAL26-40-00

ABB S202 C6

ABB 2CSG204471R4051 M4M 20

ABB E218-16-11

ABB S203M-K63UC

ABB GHV2501910R0001

ABB FPH1413001R0401

ABB 1SDA054866R1

ABB S2-H11 GHS2701916R0001

ABB 1SBE121111R0620

ABB 1SAE231111R0640

ABB 3AUA0000088115

ABB TTF300.E 1. D.1.H.BF.EM.T0

ABB 1SAM250000R1008

ABB 1SFL487002R1111

ABB 1SFL487102R1111

ABB 1SFA894019R7000

ABB 1SBN081306T1000

ABB CLMD53

ABB 1SDA067392R1

ABB 1SDA051000R1

ABB ACS880-01-045A-3

ABB 1SDA051002R1

ABB M420274

ABB ХТ4N250 LSI R250 FF 3P 1SDA068136R1

ABB 1MRK002247-AP

ABB 2TLJ020070R1700

ABB S202M-C2 2CDS272001R0024

ABB TF65-33 1SAZ811201R1002

ABB CA5X-01 1SBN019010R1001

ABB ACS550-01-038A4+J400

ABB REF615C-E

ABB A110-30-00-84 1SFL451001R8400

ABB ACS800-104-0145-3

ABB FS225R12KE3/AGDR-71CS

ABB ACS380-040S-038A-4

ABB ACS380-040S-17A0-4

ABB UAD149A11 3BHE014135R0011

ABB 1SFL577001R7011

ABB 1SDA045050R1

ABB 1SAM150000R1007

ABB 1SBL177001R1101

ABB 1SFA611200R1006

ABB 1SDA051018R1

Other best-selling products：