RM84870404
Product ID:33291
Updated: 2026/4/3

Key Features
- 1Detect liquid levels accurately using resistive probes for precise measurement. 2、Install effortlessly with a plug-in design to reduce setup time. 3、Operate reliably with a 1 C/O relay output and AgCdO contacts. 4、Ensure broad compatibility across a 230 V AC, 50/60 Hz voltage range. 5、Meet industry standards with CSA and cULus certifications for compliance.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony Relay | Relay Type | Plug-in liquid level control relay |
| Product or Component Type | Industrial measurement and control relays | Relay name | RM84870 |
| Relay monitored parameters | Detection by resistive probes | power consumption | 3 VA |
| Pin number | 11 | Voltage range | 0.85...1.15 x Un |
| Maximum electrode voltage | 24 V AC 50/60 Hz | Maximum electrode current | 1 mA 50/60 Hz |
| Measurement accuracy | 0...30 % | Maximum cable capacity | 0 mF |
| Response time | 300 ms high level<br />500 ms low level | Contacts type and composition | 1 C/O relay output, AgCdO |
| Maximum output current | 8 mA AC AC-1 resistive | Isolation voltage | 2500 V AC contacts and electrodes from the supply |
| Sensitivity scale | 5...100 kOhm | Width | 1.5 in (39 mm) |
| Product Certifications | cULus<br />CSA | Ambient Air Temperature for Storage | -22…158 °F (-30…70 °C) |
| Ambient air temperature for operation | -4…140 °F (-20…60 °C) |
Specifications may be subject to change without notice
