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SCHNEIDER Phase Monitor Relay: DIN-Rail Mounted, 8 A Current Rating - DIN-Rail Mounted Relays
SCHNEIDERDIN-Rail Mounted Relays

SCHNEIDER Phase Monitor Relay: DIN-Rail Mounted, 8 A Current Rating

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
Phase Monitor Relay: DIN-Rail Mounted, 8 A Current Rating
Category
DIN-Rail Mounted Relays
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

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

Technical Documents

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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
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

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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