RM4UA31Q
Product ID:33269
Updated: 2026/4/3
Key Features
- 1Measure voltages from 0.05 to 5V and 380 to 415V AC with high precision. 2、Adjust hysteresis settings to suit specific application requirements. 3、Configure time delay settings for precise control over operations. 4、Deploy in industrial settings for overvoltage and undervoltage detection. 5、Rely on Schneider Electric's quality for durable and reliable performance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Zelio Control | Relay Type | Voltage measurement relay |
| Product or Component Type | Industrial measurement and control relays | Relay name | RM4U |
| Relay monitored parameters | Overvoltage or undervoltage detection | time delay | Adjustable 0.05...30 s |
| Contacts type and composition | 2 C/O | Maximum switching voltage | 440 V AC |
| operating voltage tolerance | 0.85...1.1 Uc | Power consumption in VA | 2.7…3.4 VA AC |
| Output contacts | 2 C/O | Hysteresis | 5…30 % adjustable voltage threshold setting |
| Internal input resistance | 43000 Ohm<br />71000 Ohm<br />6600 Ohm | Permissible continuous overload | 60 V<br />80 V<br />20 V |
| Permissible non repetitive overload | 100 A <= 1 s<br />25 A <= 1 s<br />80 A <= 1 s | Switching threshold drift | <= 0.06 % per degree centigrade depending permissible ambient air temperature<br /><= 0.5 % within the supply voltage range (0.85...1.1 Un) |
| Setting accuracy of time delay | 10 P | Time delay drift | <= 0.07 % per degree centigrade depending on the rated operational temperature<br /><= 0.5 % within the supply voltage range (0.85...1.1 Un) |
| Quality labels | CE | Setting accuracy of the switching threshold | +/-5 % |
| Operating position | Any position without derating | Overvoltage category | III IEC 60664-1 |
| [Ui] rated insulation voltage | 500 V IEC | Supply disconnection value | > 0.1 Uc |
| Connections - terminals | Screw terminals, 2 x 1.5 mm²flexible with cable end<br />Screw terminals, 2 x 2.5 mm²flexible without cable end | [Ie] rated operational current | 2 A 158 °F (70 °C) 24 V DC-13 IEC 60947-5-1/1991<br />2 A 158 °F (70 °C) 24 V DC-13 VDE 0660<br />3 A 158 °F (70 °C) 115 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 115 V AC-15 VDE 0660<br />3 A 158 °F (70 °C) 24 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 24 V AC-15 VDE 0660<br />3 A 158 °F (70 °C) 250 V AC-15 IEC 60947-5-1/1991<br />3 A 158 °F (70 °C) 250 V AC-15 VDE 0660<br />0.1 A 158 °F (70 °C) 250 V DC-13 IEC 60947-5-1/1991<br />0.1 A 158 °F (70 °C) 250 V DC-13 VDE 0660<br />0.3 A 158 °F (70 °C) 115 V DC-13 IEC 60947-5-1/1991<br />0.3 A 158 °F (70 °C) 115 V DC-13 VDE 0660 |
| Tightening torque | 5.3…9.7 lbf.in (0.6…1.1 N.m) | Mechanical durability | 30000000 cycles |
| [Ith] conventional free air thermal current | 8 A | Switching capacity in mA | 10 mA 12 V |
| Contacts material | 90/10 silver nickel contacts | Number of cables | 2 |
| Width | 0.9 in (22.5 mm) | Height | 3.07 in (78 mm) |
| Depth | 3.1 in (80 mm) | Terminals description ISO n°1 | (A1-A2)CO<br />(25-26-28)OC<br />(C-B1-B2-B3)CO<br />(15-16-18)OC |
| Output relay state | Tripped if A measured > A set | 9 mm pitches | 2.5 |
| Net Weight | 0.370 lb(US) (0.168 kg) | Electromagnetic compatibility | Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2<br />Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2 |
| Ambient air temperature for operation | -4…149 °F (-20…65 °C) | Vibration resistance | 0.35 ms 10…55 Hz)IEC 60068-2-6 |
| Shock resistance | 15 gn 11 ms IEC 60068-2-27 | Standards | EN/IEC 60255-6 |
| Product Certifications | CSA<br />GL<br />UL | Ambient Air Temperature for Storage | -40…185 °F (-40…85 °C) |
| Relative humidity | 15…85 % 3K3 IEC 60721-3-3 | IP degree of protection | IP20 IEC 60529 terminals)<br />IP50 IEC 60529 casing) |
| Pollution degree | 3 IEC 60664-1 | Directives | 89/336/EEC - electromagnetic compatibility<br />73/23/EEC - low voltage directive |
| Resistance to electrostatic discharge | 6 kV contact IEC 61000-4-2 level 3<br />8 kV air IEC 61000-4-2 level 3 | Resistance to electromagnetic fields | 9.1 V/m (10 V/m) IEC 61000-4-3 level 3 |
| Resistance to fast transients | 2 kV IEC 61000-4-4 level 3 | Protection against electric shocks | 2 kV level 3 IEC 61000-4-5 |
| Disturbance radiated/conducted | CISPR 11 group 1 - class A<br />CISPR 22 - class A | Dielectric test voltage | 2.5 kV |
| Non-dissipating shock wave | 4.8 kV |
Specifications may be subject to change without notice