CR : AC Current Relays
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Description
The CR series of AC current switches are solid-state switches that activate a contact closure whenever the monitored primary circuit current exceeds a pre-set level. Models are available to switch various load types as indicated in the Product Ordering Chart. All models include a multi-turn adjustment to set the trip threshold to the desired value.They monitor up to 200 Amps and feature jumper selectable ranges. All models are CSA certified or UL approved and CE compliant.
Applications
- Self-powered and no insertion loss.
- True digital switching and no leakage.
- Small compact size.
- Jumper-selectable ranges.
- Easy field adjustment.
- Input / Output isolation via current transformer.
- Solid-state reliability.
- Solid, reliable mounting method
Additional information
| Setpoint Range | 1-200 Amps |
|---|---|
| Wiring Connections | Solid Core – Barrier strip |
| Hysteresis | < 2% FS max. |
| Operating Temperature | 0 to 40˚C (32 to 104˚F) |
| Response Time | < 200 mS |
| Enclosure Size (H x W x D) | Solid Core – 49 x 87 x 25 mm / (1.95 x 3.45 x 1.0”) |
| Enclosure Material | UL 94V-0 flammability rated ABS Insulation Class 600V |
| Certification | CSA or UL (see below table), CE |
| Power Supply | None – Self-powered |
| AC Conductors Hole | Solid Core – 20mm (0.8”) diameter |
