Product Description
| This product has been Discontinued |
Description: Current Monitor Relays • Type: Overcurrent or Undercurrent • Coil Voltage: 24 VAC • Contact Configuration: 1C SPDT • Mounting: 8 Pin Plug-in • Current Range Monitored: 0.1 - 1 Amp • Current Settings: Pick-up: Adjustable throughout current range monitored, Drop-out: Fixed at 95% of pick-up setting (CMP Series); or Adjustable from 50-95% of pick-up setting (CMKP Series) • Drop-Out Setting: Adjustable (From 50-95% of Pick-Up) • Indicator LED: Green when Input Voltage is applied; Red when Relay is energized
| Product Information | Resources |
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| Specifications |
| Product Attribute | Attribute Value |
| Type | Overcurrent or Undercurrent |
| Coil Voltage | 24 VAC |
| Contact Configuration | 1C SPDT |
| Mounting | 8 Pin Plug-in |
| Current Range Monitored | 0.1 - 1 Amp |
| Current Settings | Pick-up: Adjustable throughout current range monitored, Drop-out: Fixed at 95% of pick-up setting (CMP Series); or Adjustable from 50-95% of pick-up setting (CMKP Series) |
| Drop-Out Setting | Adjustable (From 50-95% of Pick-Up) |
| Indicator LED | Green when Input Voltage is applied; Red when Relay is energized |
| Input Voltage Tolerance | AC Operation: +10/-15% of nominal at 50/60 Hz. |
| Life | Mechanical: 10,000,000 operations, Full Load: 100,000 operations |
| Load (Burden) | Less than 5VA |
| Mounting Needs | Requires an 8 or Plug-in 11 Pin Round socket--see page 16 of Catalog. |
| Output Contacts | 10A Resistive @ 240V AC/30V DC, 1/2HP @ 240V AC (N.O.), 1/3HP @ 240V AC (N.C.) |
| Pick-up Setting | Adjustable |
| Reset | Automatic. Contact Macromatic for information on a product with a latching function--the relay remains energized even after the current drops below the drop-out setting until a remote N.C. button is opened. |
| Response Times | Pick-up: 100ms, Drop-out: 100ms |
| Temperature | -28° to 55°C (-20° to 131°F) |
| Series Features |
| CM Series AC STANDARD |
| Series Description: The CM Series is used to detect either an overcurrent or undercurrent condition. The pick-up current setting is user-adjustable within one of three ranges as shown in the Product Selection Table below. An external current transformer can be used to extend the range beyond 10 amperes. Choose between a fixed drop-out current setting at 95% of the selected pick-up setting or an adjustable drop-out setting of 50-95% of the selected pick-up setting. The relay will energize when the monitored AC current is above the pick-up setting, and will de-energize when the monitored AC current is below the drop-out setting. The time delay on both pick-up and drop-out is fixed at 100ms. |
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