ABB CM-ENS Series Liquid Level Relay - DIN Rail Mount, 24 → 240 V ac/dc 1 Voltage Input SPDT Relay
- RS Stock No. 135-6333
- Mfr. Part No. 1SVR740850R0200
- Manufacturer ABB
CM-ENS Liquid Level Relays
A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the highest fire protection and environmentally friendly materials. Installation is quick and easy using screw or easy-connect terminals and tool free DIN Rail mounting.
Features and Benefits (CM-ENS.1 / CM-ENS.2 / CM-ENS.3)
• 3 LED operational state indication
• Choices of Easy connect push in terminals or screw terminals
• DIN Rail mountable - no tooling required
• Easy adjustment using front panel
• Cascadable
• Adjustable response sensitivity
• 1 C/O SPDT output contact
• Compact 22.5 mm width
Additional Features CM-ENS.2
• Control of two levels (MIN/MAX)
• Front panel adjustment of fill and drain function
Additional Features CM-ENS.31
• Control of two levels (MIN/MAX)
• Front panel adjustment of fill and drain function
• 2 C/O SPDT Contacts
• Selectable ON / OFF delay
Applications
• Dry running protection
• Overflow protection
• Liquid level control
Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use.
Application Examples
Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the:
Monitoring and control of liquid levels
Protection of pumps against dry running
Ability to detect liquid leaks in a system
Control of media mixing ratios
Control of liquid levels
| Attribute | Value |
|---|---|
| Number of Inputs | 1 |
| Mounting Style | DIN Rail Mount |
| Supply Voltage | 24 → 240 V ac/dc |
| Overall Length | 113.4mm |
| Overall Width | 22.5mm |
| Overall Depth | 113.4mm |
| Minimum Operating Temperature | -25°C |
| Maximum Operating Temperature | +60°C |
| Input Type | Voltage |
| Series | CM-ENS |
| Sensitivity | 0.1 → 1000 kΩ |
| Number of Outputs | 1 |
| Output Type | SPDT Relay |
| IP Rating | IP20 (Terminal), IP50 (Housing) |
| Isolation Voltage | 300 (Supply Circuit)V |
| Current Rating | 11 mA |
