Better World

Schneider Electric Phase Monitoring Relay, 3 Phase, SPDT, 183 → 528V ac, DIN Rail

View all Monitoring Relays

Subtotal (1 unit)*

R 2 927,39

(exc. VAT)

R 3 366,50

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 24 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +R 2,927.39

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS stock no.:
146-591
Mfr. Part No.:
RM17TA00
Manufacturer:
Schneider Electric
Find similar products by selecting one or more attributes.
Select all

Brand

Schneider Electric

Monitoring Application

Phase

Electrical Phase

3

Voltage Sensing Range

183 → 528V ac

Contact Configuration

SPDT

Mounting Type

DIN Rail

Phase Sensitivity

Phase Asymmetry, Phase Failure, Phase Sequence

Time Delay

0.1 → 10s

Series

Harmony Control

Better World Verification

Green Premium

Better World Product

Yes

Terminal Type

Screw

Minimum Voltage Sensed

183V ac

Length

72mm

Operating Temperature Range

-20 → +50°C

Maximum Voltage Sensed

528V ac

Width

17.5mm

Minimum Operating Temperature

-20°C

Special Features

IP20 Terminals

Standards Met

CE, CSA, UL

Height

90mm

Dimensions

72 x 17.5 x 90mm

Maximum Operating Temperature

+50°C

COO (Country of Origin):
ID

Schneider Electric Harmony Control Series Monitoring Relay, SPDT Contact Configuration, Phase Monitoring Application - RM17TA00


This monitoring relay is designed for dependable operation in 3-phase electrical systems. It tracks parameters such as phase asymmetry, phase failure, and phase sequence, providing essential protection against electrical irregularities. This device enhances system integrity and contributes to efficient industrial automation.

Features & Benefits


• Adjustable time delay from 0.1 to 10 seconds for customised responses
• Monitors phase asymmetry, improving operational stability
• Detects phase failures, reducing potential equipment damage
• High voltage sensing range of 183 to 528 V AC
• Quick reset time of 1500 ms ensures minimal downtime
• Compact DIN rail design for easy installation

Applications


• Monitoring of 3-phase electrical supply systems
• Suitable for phase sequence validation
• Protecting equipment from phase failures

What is the maximum voltage that can be sensed?


It can sense voltages up to 528 V AC.

How is the time delay adjusted for this device?


The time delay can be set within a range of 0.1 to 10 seconds.

Can it be mounted in any position?


Yes, it is designed to function in any orientation without derating.

What types of parameters does it monitor?


It monitors phase asymmetry, phase failure, and phase sequence.

Is it suitable for both AC and DC applications?


The relay is primarily suitable for AC applications, with capabilities of up to 5 A for both AC and DC.

Related links