ABB HESH447449R11 70LR01A Relay Module Item NO.: 2811315

Manager--- Leonia

Email---sales@mvme.cn

Whatsapp---+86 18030175807

Manufacturer: ABB

Product Numbers: HESH447449R11 70LR01A

Product Type: Relay Module

Country of origin: SWEDEN

Condition: 100% Original

Warranty: 1 Year

General information:

Nominal Coil Voltage: 24 V DC

Contact Configuration: 2 × Normally-Open

Contact Rating: 8 A @ 250 V AC

Isolation: 2 kV RMS

Operating Temperature: –20 °C … +70 °C (rack inlet air)

Storage Temperature: –40 °C … +85 °C

Humidity: 0 – 95 % RH non-condensing

The ABB HESH447449R11 70LR01A is a relay module designed for use in ABB’s process‑control / DCS (distributed 

control system) platform. It provides reliable switching interface functionality within automated control systems, 

enabling integration of logic signals with external equipment through dedicated relay contacts. The module is 

engineered for harsh industrial environments, offering robust performance, easy module‑type replacement, and 

compatibility with ABB racks and backplanes in legacy and current systems. With its compact footprint and 

standardized mounting, the HESH447449R11 is well suited for applications where dependable relay switching is 

required — such as alarm/analog interface circuits, safety circuits, or subsystem isolation in a DCS architecture.

For over 20 years, Moore Automation has been a reliable supplier of high-quality industrial automation components. 

We continuously expand our product range and serve a growing global customer base, ensuring that operations 

run smoothly with minimal downtime.

Specializing in both common and hard-to-find parts, Moore Automation combines extensive industry experience 

with professional support and fast response times. Our commitment to quality, reliability, and customer satisfaction 

makes us a preferred partner for businesses worldwide.

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