
Voltage control relay, Harmony Control Relays, 5A, 1CO, overvoltage and undervoltage detection, 65…260V AC DC
Level control relay, Harmony Control Relays, 8A, 2CO, 24…240V AC DC
This Harmony RM22-LA relay allows monitoring of liquid level control in 3-phase networks. This modular multi function 3-phase liquid level control relay is ideal for monitoring of electrical values in industrial and building control panels. It applies to a wide type of industrial automation applications such as hoisting, packaging, lifts, textile, water. It has one of market slim form-factors with 22.5mm width, allowing for a flexible and easy installation on DIN rail, using the same space as any modular 1-pole DIN device. It also offers a diagnostic button, sealable cover, simple and precise settings with screw trimmers. It provides automatic shutdown management and fault information to user for a quick fault identification and troubleshooting. multi function controller for wide choice selected in hard-wired logic automated systems, ideal for refurbishment of old installations without using a PLC.
| 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 | Adjustable 0.1...30 s, +/- 10 % of the full scale value Tt- time delay upon fault |
| Switching capacity in VA | 2000 VA |
| Minimum switching current | 10 mA at 5 V DC |
| Maximum switching current | 8 A AC |
| Utilisation category | AC-15 conforming to IEC 60947-5-1, DC-13 conforming to IEC 60947-5-1, AC-1 conforming to IEC 60947-4-1, DC-1 conforming to 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 | 2.5 s, 0.6 s |
| Maximum electrode voltage | 12 V AC |
| Maximum electrode current | 1 mA |
| Repeat accuracy | +/- 2 % for time delay |
| Measurement error | < 1 % over the whole range with voltage variation, 0.05 %/°C with temperature variation |
| Maximum cable distance between devices | 100 m between probe and delay |
| Sensitivity scale | 0.25...5 kOhm LS (Low Sensitivity), 5...100 kOhm St (Standard Sensitivity), 50...1000 kOhm HS (High Sensitivity) |
| Sensitivity adjustment | 5…100 % |
| Maximum supply current for sensors | 1 mA |
| Cable capacitance | 1 nF at HS (High Sensitivity) for probe cable, 2.2 nF at St (Standard Sensitivity) for probe cable, 4.7 nF at LS (Low Sensitivity) for probe cable |
| Overvoltage category | III conforming to 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, Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end, Screw terminals, 1 x 0.5...1 x 3.3 mm² (AWG 20...AWG 12) solid without cable end, Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end |
| Tightening torque | 0.6…1 N.m conforming to IEC 60947-1 |
| Housing material | Polycarbonate |
| 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 | 0.25...1000 kOhm |
| Safety reliability data | MTTFd = 182.6 years, B10d = 170000 |
| Width | 22.5 mm |
| Control type | With test button |
| Net weight | 0.11 kg |
| Immunity to microbreaks | 100 ms DC, 90 ms AC |
| Electromagnetic compatibility | Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1, Immunity for industrial environments conforming to IEC 61000-6-2, Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3, Emission standard for industrial environments conforming to IEC 61000-6-4, 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, Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3, Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4, Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4, Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5, Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5, Conducted and radiated emissions class B group 1 conforming to CISPR 11, Conducted and radiated emissions class B conforming to CISPR 22 |
| Standards | IEC 60255-1 |
| Product certifications | UL, RCM, CSA, GL, CCC, CE, EAC |
| Ambient air temperature for storage | -40…70 °C |
| Relative humidity | 93…97 % at 25…55 °C conforming to IEC 60068-2-30 |
| Vibration resistance | 0.075 mm (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6, 1 gn (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6, 0.035 mm (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6, 0.5 gn (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6 |
| Shock resistance | 15 gn (duration = 11 ms) for not in operation conforming to IEC 60068-2-27, 5 gn (duration = 11 ms) for in operation conforming to IEC 60068-2-27 |
| IP degree of protection | IP20 (terminals) conforming to IEC 60529, IP40 (housing) conforming to IEC 60529, IP50 (front panel) conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Dielectric test voltage | 2.5 kV, 1 min AC 50 Hz conforming to IEC 60255-27 |
| Package 1 | 1 PCE, 9.5 cm × 8.2 cm × 2.6 cm (L × W × H), 122.0 g |
| Package 2 | 40 S02, 40.0 cm × 30.0 cm × 15.0 cm (L × W × H), 5.492 kg |
| Package 3 | 640 P06, 60.0 cm × 80.0 cm × 60.0 cm (L × W × H), 95.14 kg |
Official documents from Schneider Electric, downloaded directly from the manufacturer.
RM22LA32MR is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Yes — mention it when you request a quote for RM22LA32MR and we'll include express shipping options in our reply.
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for RM22LA32MR, subject to availability and destination.

Voltage control relay, Harmony Control Relays, 5A, 1CO, overvoltage and undervoltage detection, 65…260V AC DC

Voltage control relay, Harmony Control Relays, 5A, 1CO, overvoltage and undervoltage detection, 20…80V AC DC

Current control relay, Harmony Control Relays , 8A, 2CO, 24…240V AC DC

Current control relay, Harmony Control Relays, 4mA…1 A, 2CO, 24…240V AC DC



