Undervoltage Control Relay Re-Acceleration Relay
The MODEL 553 Undervoltage Control Relay provides critical protection and re-acceleration capabilities for industrial systems. This device ensures operational continuity by monitoring nominal voltage at 120VAC 60Hz, initiating a trip at 90VAC drop out and re-engaging at 102VAC pick up. Configurable on-delay and true off-delay settings, such as 1-30 seconds and 1-10 seconds respectively for the -01 version, allow for precise system integration. Its robust design includes transient protection up to 2500 VRMS for 10ms and a contact rating of 10A at 120VAC resistive. With a repeat accuracy of ± 0.5% and an electrical relay life of 100,000 operations, the MODEL 553 offers reliable performance in diverse operating environments from +14° to +122° F. This relay minimizes downtime and safeguards equipment effectively.
Reaclrtn Rly 1-30/1-10 Csa
Specifications
| Config: Versions | -01, -02, -03, -04 |
|---|---|
| Config: On Delay (Sec) | 1-30 (for -01), 1-120 (for -02), 0.1-40 (for -03), 0.5-1.0 (for -04) |
| Config: True Off Delay (Sec) | 1-10 (for -01, -02, -03), 0.1-2.0 (for -04) |
| Nominal Voltage | 120VAC 60Hz |
| Trip Point Drop Out | 90VAC |
| Trip Point Pick Up | 102VAC |
| Power Consumption | 5 watts typical |
| Transient Protection | 2500 VRMS for 10ms |
| Repeat Accuracy | ± 0.5% (at 70°F Ambient Temp) |
| Response Time | 100ms (at 70°F Ambient Temp) |
| Dead Band | ± 2% |
| Contact Rating | 10A at 120VAC resistive |
| Expected Relay Life, Mechanical | 10 million operations |
| Expected Relay Life, Electrical | 100,000 operations at rated load |
| Operating Temperature | +14° to +122° F |
| Humidity Tolerance | 0 to 97% without condensation |
| Enclosure Material | Polycarbonate |
| Mounting | 8-pin socket (not included) |
| Required Socket Part Number | 51X120 |
| Agency Approval, CSA | No |
| Function | On-Delay |
| Function | True-Off Delay |
| Indicator | LED Status Indicators |
| Warranty | 5-year Unconditional Warranty |