Multi-Stage Alternator
The MODEL 441 Multi-Stage Alternator provides reliable sequencing for pump and motor applications. This unit replaces traditional mechanical alternators, offering enhanced control and durability. Users can select between single, duplex, triplex, or quadraplex stages, adapting to diverse system requirements. A key feature is its power loss memory, ensuring the unit recalls the next motor or pump in sequence after a power interruption. This maintains operational continuity and reduces system downtime. The first-on, first-off operation sequence optimizes wear distribution across connected equipment, extending their service life. With an electrical relay life of 100,000 operations at rated load, this alternator delivers consistent performance in demanding industrial settings. Its robust design and precise control capabilities contribute to efficient system management, minimizing manual intervention and maximizing operational uptime.
4 Stage Alt
Specifications
| Input Voltage | 240VAC +/- 10% 50/60Hz |
|---|---|
| Power Consumption | 6.0 watts |
| Transient Protection | 2500 VRMS for 10ms |
| Delay Between Relay Operations | 5 seconds |
| Output Contact Rating | SPST 5A at 240VAC or 5A at 30VDC resistive |
| Input Contact Requirement | 0.001 amp at 12VDC |
| Expected Relay Life (Mechanical) | 50 million operations |
| Expected Relay Life (Electrical) | 100,000 ops at rated load |
| Operating Temperature | -20° to +140° F |
| Humidity Tolerance | 0-97% w/o condensation |
| Enclosure Material | ABS plastic |
| Application | Replaces Mechanical Alternators |
| User Selectable Stages | Single Motor/Pump, Two Motor/Pump (duplex), Three Motor/Pump (triplex), Four Motor/Pump (quadraplex) |
| Power Loss Memory | Unit Remembers Which Motor/Pump Is Next During Power Loss |
| Operation Sequence | First-On, First-Off Operation |
| Motor/Pump Select Switch (OFF/open) | Motor/pump disabled (unit will not try to use that motor) |
| Motor/Pump Select Switch (ON/closed) | Motor/pump enabled (unit will operate relay for motor as needed) |



