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The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 110 - 130 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC voltages with 4 measuring ranges: 3-30 V, 6-60 V, 30-300 V and 60-600 V and works according to the open-circuit principle. The CM-ESS.2S is configurable for over- or undervoltage monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
Manufacturing Part #
1SVR730831R0400
Availability:
1
In stock
Product type:
Monitoring Relays
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The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 110 - 130 V AC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC voltages with 4 measuring ranges: 3-30 V, 6-60 V, 30-300 V and 60-600 V and works according to the open-circuit principle. The CM-ESS.2S is configurable for over- or undervoltage monitoring. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value and the tripping delay is adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
| Manufacturer Part Number | 1SVR730831R0400 (Model: CM-ESS.2S) |
| Monitored Parameter | Over- or undervoltage |
| Measuring Ranges | 3–30 V, 6–60 V, 30–300 V, 60–600 V AC/DC |
| Control Supply Voltage | 110–130 V AC |
| Output Contacts | 2 c/o (SPDT) contacts rated at 4 A at 230 V AC |
| Tripping Delay | Adjustable: 0 s or 0.1 to 30 s |
| Hysteresis | Adjustable: 3% to 30% of threshold value |
| Terminal Type | Screw Terminals (Double-chamber cage) |
| Mounting Style | 35 mm DIN Rail |
| Protection Degree | IP50 (Housing) / IP20 (Terminals) |
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