Schneider Electric RM4JA31M
MPNRM4JA31M
Obsolete
RM4JA31M - CURRENT MEASUREMENT RELAY by TELEMECANIQUE
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Current measurement relay |
| Time delay type | Adjustable 0.05...30 s |
| Range of product | Harmony Relay |
| Product or component type | Industrial measurement and control relays |
| Contacts type and composition | 2 C/O |
| Switching voltage | 250 V AC |
| Dielectric test voltage | 2.5 kV |
| Maximum switching voltage | 440 V AC |
| Operating voltage tolerance | 0.85...1.1 Uc |
| [Ie] rated operational current | 2 A 24 V DC-13 158 °F (70 °C) IEC 60947-5-1/1991 2 A 24 V DC-13 158 °F (70 °C) VDE 0660 3 A 115 V AC-15 158 °F (70 °C) IEC 60947-5-1/1991 3 A 115 V AC-15 158 °F (70 °C) VDE 0660 3 A 24 V AC-15 158 °F (70 °C) IEC 60947-5-1/1991 3 A 24 V AC-15 158 °F (70 °C) VDE 0660 3 A 250 V AC-15 158 °F (70 °C) IEC 60947-5-1/1991 3 A 250 V AC-15 158 °F (70 °C) VDE 0660 0.1 A 250 V DC-13 158 °F (70 °C) IEC 60947-5-1/1991 0.1 A 250 V DC-13 158 °F (70 °C) VDE 0660 0.3 A 115 V DC-13 158 °F (70 °C) IEC 60947-5-1/1991 0.3 A 115 V DC-13 158 °F (70 °C) VDE 0660 |
| [Ith] conventional free air thermal current | 8 A |
| Maximum power consumption in | 3.4 VA AC |
All specifications
| Parameter | Value |
|---|---|
| IP degree of protection | IP20 IEC 60529 terminals) IP50 IEC 60529 casing) |
| Number of cables | 2 |
| Connections - terminals | Screw terminals, 2 x 1.5 mm²flexible with cable end Screw terminals, 2 x 2.5 mm²flexible without cable end |
| Terminals description ISO n°1 | (C-B1-B2-B3)CO (25-26-28)OC (A1-A2)CO (15-16-18)OC |
| Pollution degree | 3 IEC 60664-1 |
| Shock resistance | 15 gn 11 ms IEC 60255-21-1 |
| Relative humidity | 15...85 % IEC 60721-3-3 |
| Non-dissipating shock wave | 4.8 kV |
| Protection against electric shocks | 2 kV level 3 IEC 61000-4-5 |
| Depth | 3.1 in (80 mm) |
| Width | 0.9 in (23 mm) |
| Height | 3.07 in (78 mm) |
| Contacts material | 90/10 silver nickel contacts |
| Mechanical durability | 30000000 cycles |
| Standards | IEC 60255-6 |
| Category | 22376-RELAYS-MEASUREMENT(RM4) |
| Relay name | RM4J |
| 9 mm pitches | 2.5 |
| Output contacts | 2 C/O |
| Measurement range | 0.3...30 mA current DC 10...100 mA current DC 100...1000 mA current DC 0.3...30 mA current AC 10...100 mA current AC 100...1000 mA current AC |
| Tightening torque | 5.3...9.7 lbf.in (0.6...1.1 N.m) |
| Operating position | Any position without derating |
| Output relay state | Tripped if V measured > V set Tripped if A measured > A set |
| Maximum measuring cycle | 80 ms |
| Switching capacity in | 10 mA 12 V |
| Internal input resistance | 1 Ohm 10 Ohm 33 Ohm |
| Switching threshold drift | 0.1 Uc |
| Relay monitored parameters | Overcurrent or undercurrent detection |
| Environmental characteristic | 3K3 |
| Electromagnetic compatibility | Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2 Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2 |
| Resistance to fast transients | 2 kV IEC 61000-4-4 level 3 |
| Disturbance radiated (conducted) | CISPR 22 - class A CISPR 11 group 1 - class A |
| Permissible continuous overload | 0.05 A 1.5 A 0.15 A |
| Ambient air temperature for storage | -40...185 °F (-40...85 °C) |
| Permissible non repetitive overload | 5 A 0.2 A 0.5 A |
| Resistance to electromagnetic fields | 9.1 V/m (10 V/m) IEC 61000-4-3 level 3 |
| Ambient air temperature for operation | -4...149 °F (-20...65 °C) |
| Resistance to electrostatic discharge | 6 kV contact IEC 61000-4-2 level 3 8 kV air IEC 61000-4-2 level 3 |
| Setting accuracy of the switching threshold | +/-5 % |
MPN
RM4JA31M