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SCHNEIDER RM22TU21 Undervoltage Monitor Relay, DIN-Rail Mounted, 160-288V AC, 8A - DIN-Rail Mounted Relays
SCHNEIDERDIN-Rail Mounted Relays

SCHNEIDER RM22TU21 Undervoltage Monitor Relay, DIN-Rail Mounted, 160-288V AC, 8A

The SCHNEIDER Phase Monitor Relay is a DIN-Rail Mounted relay designed for undervoltage monitoring. It operates with an input voltage range of 160 to 288V AC and has an 8 A current rating. This product, model…

SKU 3G-OTH-38475

Brand
SCHNEIDER
Item
RM22TU21 Undervoltage Monitor Relay, DIN-Rail Mounted, 160-288V AC, 8A
Part Number
RM22TU21
Category
DIN-Rail Mounted Relays
Available to Order
Also known as:RM22TU21SCHNEIDER
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Technical Specifications

SCHNEIDER
Manufacturer Part Number
RM22TU21
AC
160 to 288V
Input Voltage
160 to 288V AC
Current Rating
8 A
Monitored Parameters
Undervoltage

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SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER Phase Monitor Relay is a DIN-Rail Mounted relay designed for undervoltage monitoring. It operates with an input voltage range of 160 to 288V AC and has an 8 A current rating. This product, model RM22TU21, provides phase monitoring for industrial applications.

Frequently Asked Questions

What is the SCHNEIDER RM22TU21 phase monitor relay used for?

The SCHNEIDER RM22TU21 phase monitor relay is used for undervoltage monitoring in industrial electrical systems. It protects equipment by detecting when voltage drops below safe levels, helping prevent damage to motors, pumps, and controls in applications across machining, HVAC, and material handling.

What are the specifications of the SCHNEIDER RM22TU21?

The SCHNEIDER RM22TU21 is a DIN-rail mounted phase monitor relay with an input voltage range of 160 to 288V AC and a current rating of 8 A. It monitors undervoltage conditions. The manufacturer part number is RM22TU21, and it is designed for reliable industrial phase monitoring.

Where to buy the SCHNEIDER RM22TU21 worldwide?

3G Electric supplies the SCHNEIDER RM22TU21 phase monitor relay worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this relay to your facility. Contact us for availability and lead time on this DIN-rail mounted undervoltage monitor.

How to install a SCHNEIDER RM22TU21 phase monitor relay?

Mount the SCHNEIDER RM22TU21 on a DIN rail in your control panel. Connect the input voltage (160 to 288V AC) per the wiring diagram, ensuring proper phase sequence. Set the undervoltage threshold according to your system requirements. Always follow local electrical codes and Schneider's installation manual.

Used in

Common applications for SCHNEIDER
Industrial motor control — TeSys Deca LADR0 off-delay timer module for timed contactor operation
Control panel automation — Schneider 781R series socket-mounted relay with 24V AC coil and SPDT contacts
Machine control systems — Schneider 784 series 4PDT relay rated 15 A for signal switching
Electrical panel branch protection — C60BP 2-pole 35 A C-curve miniature circuit breaker
Motor management systems — TeSys Island TPRAN2X1 analog I/O expansion module for process monitoring
Control circuit supplementary protection — C60SP 1-pole 40 A B-curve supplementary protector
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SCHNEIDER Products

3G Electric supplies SCHNEIDER din-rail mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SCHNEIDER
DIN-rail mounted relay with screw terminals, rated for 48 to 240V AC/DC. Features 2 inputs and 3 normally-open (NO) output contacts. Suitable for industrial switching and control applications requiring signal isolation and load switching in automation panels

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