We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SCHNEIDER Phase Control Relay: DIN-Rail Mounted, 8 A Current Rating, 183 to 528V AC (MPN RM22TG20)
SCHNEIDER
SCHNEIDER Phase Control Relay: DIN-Rail Mounted, 8 A Current Rating, 183 to 528V AC (MPN RM22TG20)
DIN-rail mounted voltage sensing relay for overvoltage monitoring. Rated 8 A, 24 to 240V AC/DC, with screw terminals and 12 pins. Drop-out range ±10%. Used in industrial control panels to detect overvoltage conditions and protect equipment
SCHNEIDER
DIN-rail mounted voltage sensing relay for overvoltage monitoring. Rated 8 A, 24 to 240V AC/DC, with screw terminals and 12 pins. Drop-out range ±10%. Used in industrial control panels to detect overvoltage conditions and protect equipment
DIN-rail mounted voltage sensing relay with 12 screw terminals, rated 8 A at 24 to 240V AC/DC. Monitors overvoltage conditions with a drop-out range of +/- 10%. Used in industrial control panels to detect voltage levels exceeding a set threshold, triggering alarms or disconnection
SCHNEIDER
DIN-rail mounted voltage sensing relay with 12 screw terminals, rated 8 A at 24 to 240V AC/DC. Monitors overvoltage conditions with a drop-out range of +/- 10%. Used in industrial control panels to detect voltage levels exceeding a set threshold, triggering alarms or disconnection
SCHNEIDER Voltage Sensing Relay: DIN-Rail Mounted, 12 Pins/Terminals, 5 A, 20 to 80V AC/DC, Screw (MPN RM22UA31MR)
SCHNEIDER
SCHNEIDER Voltage Sensing Relay: DIN-Rail Mounted, 12 Pins/Terminals, 5 A, 20 to 80V AC/DC, Screw (MPN RM22UA31MR)
SCHNEIDER Voltage Sensing Relay: DIN-Rail Mounted, 12 Pins/Terminals, 8 A, 24 to 240V AC/DC, Screw (MPN RM22UA33MT)
SCHNEIDER
SCHNEIDER Voltage Sensing Relay: DIN-Rail Mounted, 12 Pins/Terminals, 8 A, 24 to 240V AC/DC, Screw (MPN RM22UA33MT)
DIN-rail mounted relay for monitoring asymmetry in three-phase systems. Rated 5 A at 208 to 480V AC. Used to detect voltage imbalance in industrial electrical installations
SCHNEIDER
DIN-rail mounted relay for monitoring asymmetry in three-phase systems. Rated 5 A at 208 to 480V AC. Used to detect voltage imbalance in industrial electrical installations

More from SCHNEIDER

View all SCHNEIDER parts
DIN-rail mounted relay for overcurrent monitoring with adjustable trip point from 0.5 to 5 A set via rotary knob. Rated for 15 A and 24 to 240V AC supply. Features LED status indicator and terminal strip connection. Used in industrial applications such as motor protection, conveyor systems, and HVAC equipment to detect excessive current and trigger alarms or shutdowns
SCHNEIDER
DIN-rail mounted relay for overcurrent monitoring with adjustable trip point from 0.5 to 5 A set via rotary knob. Rated for 15 A and 24 to 240V AC supply. Features LED status indicator and terminal strip connection. Used in industrial applications such as motor protection, conveyor systems, and HVAC equipment to detect excessive current and trigger alarms or shutdowns
DIN-rail mounted solid state relay with SCR AC output and Form A switch configuration. DC input current 9 to 11 mA, output voltage 48 to 600V AC, maximum output current 12 A without heat sink. Screw clamp connections, finger safe. Suitable for switching AC loads in industrial control panels
SCHNEIDER
DIN-rail mounted solid state relay with SCR AC output and Form A switch configuration. DC input current 9 to 11 mA, output voltage 48 to 600V AC, maximum output current 12 A without heat sink. Screw clamp connections, finger safe. Suitable for switching AC loads in industrial control panels
DIN-rail mounted phase control relay for monitoring phase sequence in three-phase systems. Rated 8 A at 380 to 480V AC. Prevents reverse rotation or single-phasing damage in motor control panels, conveyors, and HVAC equipment
SCHNEIDER
DIN-rail mounted phase control relay for monitoring phase sequence in three-phase systems. Rated 8 A at 380 to 480V AC. Prevents reverse rotation or single-phasing damage in motor control panels, conveyors, and HVAC equipment
DIN-rail mounted time delay relay with adjustable timing from 0.05 seconds to 300 hours. Operates at 240V AC with a contact rating of 8 A at 24V DC. Features 6 terminals for control and load connections. Used in industrial control panels for sequencing, delay-on, and timing applications
SCHNEIDER
DIN-rail mounted time delay relay with adjustable timing from 0.05 seconds to 300 hours. Operates at 240V AC with a contact rating of 8 A at 24V DC. Features 6 terminals for control and load connections. Used in industrial control panels for sequencing, delay-on, and timing applications
DIN-rail mounted relay for undercurrent monitoring. Rated 8 A with screw terminals, supply voltage 60 to 280V AC. Pick-up range 110 to 240V AC/DC, drop-out range ±10%. 9 terminals. Used in industrial control panels for motor protection, pump control, and conveyor systems to detect current drops
SCHNEIDER
DIN-rail mounted relay for undercurrent monitoring. Rated 8 A with screw terminals, supply voltage 60 to 280V AC. Pick-up range 110 to 240V AC/DC, drop-out range ±10%. 9 terminals. Used in industrial control panels for motor protection, pump control, and conveyor systems to detect current drops
DIN-rail mounted relay with screw terminals, operating on 24V AC/DC. Normally open (NO) contacts rated at 5 A @ 1V for both AC and DC circuits. Used for switching low-voltage signals and loads in industrial control panels and automation systems
SCHNEIDER
DIN-rail mounted relay with screw terminals, operating on 24V AC/DC. Normally open (NO) contacts rated at 5 A @ 1V for both AC and DC circuits. Used for switching low-voltage signals and loads in industrial control panels and automation systems
DIN-rail mounted relay for monitoring phase sequence in three-phase systems. Rated 5 A, 24 to 240V AC/DC. Used in motor control panels, pumps, and conveyors to detect phase loss or reversal
SCHNEIDER
DIN-rail mounted relay for monitoring phase sequence in three-phase systems. Rated 5 A, 24 to 240V AC/DC. Used in motor control panels, pumps, and conveyors to detect phase loss or reversal
DIN-rail mounted relay with 24V AC/DC coil, three inputs, and screw-type connections. Normally open contacts rated at 5 A @ 1V for both AC and DC circuits. Suitable for switching and isolation in industrial control panels and automation systems
SCHNEIDER
DIN-rail mounted relay with 24V AC/DC coil, three inputs, and screw-type connections. Normally open contacts rated at 5 A @ 1V for both AC and DC circuits. Suitable for switching and isolation in industrial control panels and automation systems