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The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.
This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.
It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof.
Neither Schneider Electric Industries SAS nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein. *Prices are indicative
Dec 15, 2014
1
Product data sheet
Characteristics
RM4UA33MW
voltage measurement relay RM4-U - range
30..500 V - 24..240 V AC DC
Product availability: Stock - Normally stocked in distribution facility
Price*: 440.00 USD
Main
Commercial Status Commercialised
Range of product Zelio Control
Product or component
type
Industrial measurement and control relays
Relay type Voltage measurement relay
Relay name RM4U
Relay monitored
parameters
Overvoltage or undervoltage detection
Time delay Adjustable 0.05...30 s
Power consumption in
VA
1.5...3.3 VA AC
Measurement range 50...500 V voltage DC
50...500 V voltage AC 50/60 Hz
30...300 V voltage DC
30...300 V voltage AC 50/60 Hz
Contacts type and
composition
2 C/O
Complementary
[Us] rated supply voltage 24...240 V DC
24...240 V AC 50/60 Hz
Power consumption in W 1.2 W DC
Output contacts 2 C/O
Internal input resistance 1111000 Ohm
11110000 Ohm
668000 Ohm
Permissible continuous overload 400 V
550 V
Permissible non repetitive overload 550 A for <= 1 s
500 A for <= 1 s
Setting accuracy of the switching threshold +/-5 %
Switching threshold drift <= 0.5 % within the supply voltage range (0.85...1.1 Un)
<= 0.06 % per degree centigrade depending permissible ambient air temperature
Setting accuracy of time delay 10 P
Time delay drift <= 0.5 % within the supply voltage range (0.85...1.1 Un)
<= 0.07 % per degree centigrade depending on the rated operational temperature
Hysteresis 5...30 % adjustable of voltage threshold setting
Marking CE : EMC 89/336/EEC
CE : LVD 73/23/EEC
Overvoltage category III conforming to IEC 60664-1
[Ui] rated insulation voltage 500 V conforming to IEC
Control circuit voltage limits 0.85...1.1 Uc
Supply frequency 50/60 Hz +/- 5 %
Supply disconnection value > 0.1 Uc
Operating position Any position without derating
Connections - terminals Screw terminals 2 x 2.5 mm², flexible cable without cable end
Screw terminals 2 x 1.5 mm², flexible cable with cable end
Tightening torque 5.31...9.73 lbf.in (0.6...1.1 N.m)

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