Product Model
RM22LG11MR
Selling Points
- 1Accurate Liquid Level Monitoring: Detects liquid levels with high sensitivity and precision.
- 2Durable Design: Built with self-extinguishing plastic and designed for 100,000 cycles of electrical durability.
- 3Versatile Mounting Options: Compatible with 35 mm DIN rail mounting, ensuring easy installation in various settings.
- 4Robust Electrical Specifications: Handles 2000 VA switching capacity and operates within 24-240V AC/DC.
- 5Enhanced Safety Features: Meets overvoltage category III and insulation resistance standards for safe operation.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Range of Product | Harmony Control Relays | Relay Type | Level control relay |
Product or Component Type | Level control relay | Relay name | RM22L |
Relay monitored parameters | Detection by resistive probes | time delay | Without |
Switching capacity in VA | 2000 VA | Minimum switching current | 10 mA 5 V DC |
Maximum switching current | 8 A AC | Utilisation category | AC-15 IEC 60947-5-1<br />DC-13 IEC 60947-5-1<br />AC-1 IEC 60947-4-1<br />DC-1 IEC 60947-4-1 |
Contacts type and composition | 2 C/O | Maximum switching voltage | 250 V AC |
[Un] rated nominal voltage | 24...240 V AC/DC 50/60 Hz, non self-powered | Supply voltage limits | 20.4…264 V AC/DC |
power consumption | 1.5 W DC | Output contacts | 2 C/O |
Nominal output current | 8 A | delay at power up | 0.6 s |
Maximum electrode voltage | 12 V AC | Maximum electrode current | 1 mA |
Repeat accuracy | +/- 2 % time delay | Measurement error | < 1 % over the whole range with voltage variation<br />0.05 %/°C with temperature variation |
Maximum cable distance between devices | 3280.8 ft (1000 m) probe and delay | Sensitivity scale | 5...100 kOhm St (Standard Sensitivity) |
Sensitivity adjustment | 5…100 % | Maximum supply current for sensors | 1 mA |
Cable capacitance | 1 nF HS (High Sensitivity) probe cable<br />2.2 nF St (Standard Sensitivity) probe cable<br />4.7 nF LS (Low Sensitivity) probe cable | Overvoltage category | III IEC 60664-1 |
Insulation | Between supply and measurement | Connections - terminals | Screw terminals, 2 x 0.5...2 x 2.5 mm² AWG 20...AWG 14) solid without cable end<br />Screw terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) flexible with cable end<br />Screw terminals, 1 x 0.5...1 x 3.3 mm² AWG 20...AWG 12) solid without cable end<br />Screw terminals, 1 x 0.2...1 x 2.5 mm² AWG 24...AWG 14) flexible with cable end |
Tightening torque | 5.3…8.9 lbf.in (0.6…1 N.m) IEC 60947-1 | Housing material | Self-extinguishing plastic |
Mounting support | 35 mm DIN rail conforming to IEC 60715 | Mounting position | Any position |
Electrical durability | 100000 cycles | Mechanical durability | 10000000 cycles |
Contacts material | Cadmium free | Measurement range | 5...100 kOhm |
Safety reliability data | B10d = 120000<br />MTTFd = 125.5 years | Width | 0.9 in (22.5 mm) |
Control Type | With test button | Net Weight | 0.2 lb(US) (0.1 kg) |
Immunity to microbreaks | 100 ms DC<br />90 ms AC | Electromagnetic compatibility | Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1<br />Immunity for industrial environments conforming to IEC 61000-6-2<br />Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3<br />Emission standard for industrial environments conforming to IEC 61000-6-4<br />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<br />Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3<br />Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4<br />Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4<br />Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5<br />Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5<br />Conducted and radiated emissions class B group 1 conforming to CISPR 11<br />Conducted and radiated emissions class B conforming to CISPR 22 |
Standards | IEC 60255-1 | Product Certifications | GL<br />RCM<br />CCC<br />CSA<br />UL<br />EAC<br />CE |
Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) | Relative humidity | 93…97 % 77…131 °F (25…55 °C) IEC 60068-2-30 |
Vibration resistance | 0.075 mm 10…58.1 Hz) not in operation IEC 60068-2-6<br />1 gn 10…58.1 Hz) not in operation IEC 60068-2-6<br />0.035 mm 58.1…150 Hz) in operation IEC 60068-2-6<br />0.5 gn 58.1…150 Hz) in operation IEC 60068-2-6 | Shock resistance | 15 gn 11 ms) not in operation IEC 60068-2-27<br />5 gn 11 ms) in operation IEC 60068-2-27 |
IP degree of protection | IP20 IEC 60529 terminals)<br />IP40 IEC 60529 housing)<br />IP50 IEC 60529 front panel) | Pollution degree | 3 IEC 60664-1 |
Dielectric test voltage | 2.5 kV AC 50 Hz, 1 min IEC 60255-27 |
Specifications may be subject to change without notice