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RM4LA32MW picture- Schneider-electric
RM4LA32MW
liquid level control relay RM4-L - 24..240 V AC DC
Schneider Electric
Characteristics
Main
Range of product Zelio Control
Product or component type Industrial measurement and control relays
Relay type Liquid level control relay
Relay name RM4-L
Relay monitored parameters Detection by resistive probes
Time delay Adjustable 0.1...10 s
Power consumption 2.7 VA AC
Contacts type and composition 2 C/O
Complementary
Maximum switching voltage 440 V AC
[Un] rated nominal voltage 24...240 V DC
24...240 V AC 50/60 Hz +/- 5 %
Operating voltage tolerance 0.85...1.1 Uc
Power consumption 2.4 W DC
Output contacts 2 C/O
Maximum electrode voltage 24 V AC
Maximum electrode current 1 mA
Maximum cable capacity 0 mF
Maximum cable distance between devices 1000 m
Sensitivity scale 0.25...5 kOhm LS (Low Sensitivity)
2.5...50 kOhm St (Standard Sensitivity)
25...500 kOhm HS (High Sensitivity)
Marking CE : LVD 73/23/EEC
CE : EMC 89/336/EEC
Overvoltage category III conforming to IEC 60664-1
[Ui] rated insulation voltage 500 V conforming to IEC
Supply disconnection value > 0.1 Uc
Operating position Any position without
Connections - terminals Screw terminals, 2 x 1.5 mm²flexible with cable end
Screw terminals, 2 x 2.5 mm²flexible without cable end
Tightening torque 0.6…1.1 N.m
Mechanical durability 30000000 cycles
[Ith] conventional free air thermal current 8 A
[Ie] rated operational current 2 A at 70 °C 24 V DC-13 conforming to IEC 60947-5-1/1991
2 A at 70 °C 24 V DC-13 conforming to VDE 0660
3 A at 70 °C 115 V AC-15 conforming to IEC 60947-5-1/1991
3 A at 70 °C 115 V AC-15 conforming to VDE 0660
3 A at 70 °C 24 V AC-15 conforming to IEC 60947-5-1/1991
3 A at 70 °C 24 V AC-15 conforming to VDE 0660
3 A at 70 °C 250 V AC-15 conforming to IEC 60947-5-1/1991
3 A at 70 °C 250 V AC-15 conforming to VDE 0660
0.1 A at 70 °C 250 V DC-13 conforming to IEC 60947-5-1/1991
0.1 A at 70 °C 250 V DC-13 conforming to VDE 0660
0.3 A at 70 °C 115 V DC-13 conforming to IEC 60947-5-1/1991
0.3 A at 70 °C 115 V DC-13 conforming to VDE 0660
Switching capacity in mA 10 mA at 12 V
Switching voltage 250 V AC
Contacts material 90/10 silver nickel contacts
Number of cables 2
Width 22.5 mm
Terminals description ISO n°1 (15-16-18)OC
(25-26-28)OC
(B1-B2-B3)CO
(A1-A2)CO
Output relay state According to chosen function
9 mm pitches 2.5
Net weight 0.165 kg
Environment
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
Standards EN/IEC 60255-6
Product certifications UL
GL
CSA
Ambient air temperature for storage -40…85 °C
Ambient air temperature for operation -20…65 °C
Relative humidity 15…85 % 3K3 conforming to IEC 60721-3-3
Vibration resistance 0.35 ms (f= 10…55 Hz) conforming to IEC 60068-2-6
Shock resistance 15 gn for 11 ms conforming to IEC 60068-2-27
IP degree of protection IP20 (terminals) conforming to IEC 60529
IP50 (casing) conforming to IEC 60529
Pollution degree 3 conforming to IEC 60664-1
Dielectric test voltage 2.5 kV
Resistance to electrostatic discharge 6 kV contact conforming to IEC 61000-4-2 level 3
8 kV air conforming to IEC 61000-4-2 level 3
Resistance to electromagnetic fields 10 V/m conforming to IEC 61000-4-3 level 3
Resistance to fast transients 2 kV conforming to IEC 61000-4-4 level 3
Protection against electric shocks 2 kV: level 3 conforming to IEC 61000-4-5
Disturbance radiated/conducted CISPR 22 - class A
CISPR 11 group 1 - class A
Contractual warranty
Warranty 18 months