Product Model
RM22LA32MT
Selling Points
- 1Accurate Liquid Level Monitoring: Detects liquid levels using resistive probes.
- 2Adjustable Time Delay: Set time delays from 0.1 to 30 seconds for precise control.
- 3High Switching Capacity: Handles 2000 VA, ensuring reliable operation.
- 4Durable Design: Built with self-extinguishing plastic and cadmium-free contacts.
- 5Easy Installation: Mounts on 35 mm DIN rail, suitable for any position.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Range of Product | Harmony Relay | Relay Type | Level control relay |
Product or Component Type | Modular measurement and control relays | Relay name | RM22L |
Relay monitored parameters | Detection by resistive probes | time delay | Adjustable 0.1...30 s, +/- 10 % of the full scale value on crossing the threshold Tt |
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 |
Maximum switching voltage | 250 V AC | Supply voltage limits | 323…456.5 V AC |
Output contacts | 2 C/O | Nominal output current | 8 A |
delay at power up | 2.5 s<br />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 | 0.25...5 kOhm LS (Low Sensitivity)<br />5...100 kOhm St (Standard Sensitivity)<br />50...1000 kOhm HS (High 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 EN/IEC 60715 |
Mounting position | Any position | Electrical durability | 100000 cycles |
Mechanical durability | 10000000 cycles | Contacts material | Cadmium free |
Safety reliability data | MTTFd = 182.6 years<br />B10d = 170000 | Width | 0.9 in (22.5 mm) |
Net Weight | 0.24 lb(US) (0.11 kg) | Immunity to microbreaks | 100 ms DC<br />90 ms AC |
Electromagnetic compatibility | Immunity for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-1<br />Immunity for industrial environments conforming to EN/IEC 61000-6-2<br />Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3<br />Emission standard for industrial environments conforming to EN/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 | EN/IEC 60255-1 |
Product Certifications | GL<br />UL<br />CCC<br />EAC<br />RCM<br />CE<br />CSA | 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