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The 202 series is a three-phase, auto-ranging, dual-range voltage monitor that protects 190–480 V ac, 50*/60 Hz motors regardless of size. The 202-RP (and the 202-575-RP for 475–600 V ac) monitors the phase rotation of the three-phase systems and trips on reverse-phase only. Critical applications include fan motors, scroll compressors, grinders, conveyor systems, elevators, and escalators. Both products provide a user-selectable, nominal voltage setpoint and automatically select between the 200 V and 400 V range.
This unique microcontroller-based voltage and phase-sensing device constantly monitors the three-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the MotorSaver’s output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to acceptable levels for a specified amount of restart delay time (or a manual reset). The 202 series includes advanced single LED diagnostics. Five different light patterns distinguish between faults and normal conditions. The status light turns green and the relay is activated when rotation is correct.
*Note: 50 Hz will increase all delay timers by 20 %. CE Pending
- Compact, quick mounting design
- Small footprint
- Proprietary microcontroller-based circuitry
- Auto-sensing wide voltage range (202 & 202-RP)
- Advanced LED diagnostics
- Adjustable trip delay (202)
- One-screw mounting saves time and space
- Ideal for assembly into panels
- Constant monitoring of single-phase, low voltage, high voltage, voltage unbalance, phase reversal, harmful power line conditions
- Automatically senses system voltage between 90–480 V ac. Saves setup time
- Quick visual indicator for cause of trip. LED indications include normal operation, restart delay, reverse-phase trip, fault
- Prevents nuisance tripping due to rapidly fluctuating power line conditions
202 Parts
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| 190 - 480 Vac | SPDT | 0.25 in male quick connect | 1/4 in socket head cap screw (customer supplied) | 2.5 H x 2.5 W x 1.4 D in. (63.5 x 63.5 x 35.6 mm) | 0 Lb (pound) | ≥1960 | 95% non-condensing | 50 / 60 (50 will increase all delay timers by 20%) | A; B; C | ±10% | 5 | Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac | 107% | 110% | ±0.5% | Manual; 2 - 300 s adjustable | Under/Over Voltage: 4 s; Unbalance/Phase faults: 2 s | ±1% | 93% | 90% | 4.50% | 6% | ||||
| 475 - 600 Vac | SPDT | 0.25 in male quick connect | 1/4 in socket head cap screw (customer supplied) | 2.5 H x 2.5 W x 1.4 D in. (63.5 x 63.5 x 35.6 mm) | 0 Kg (kilogram) | ≥1960 | 95% non-condensing | 50 / 60 (50 will increase all delay timers by 20%) | A; B; C | ±10% | 5 | Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac | 107% | 110% | ±0.5% | Manual; 2 - 300 s adjustable | Under/Over Voltage: 4 s; Unbalance/Phase faults: 2 s | ±1% | 93% | 90% | 4.50% | 6% | ||||
| 190 - 480 Vac | SPDT | 0.25 in male quick connect | 1/4 in socket head cap screw (customer supplied) | 2.5 H x 2.5 W x 1.4 D in. (63.5 x 63.5 x 35.6 mm) | 0 Kg (kilogram) | ≥1960 | 95% non-condensing | 50 / 60 (50 will increase all delay timers by 20%) | A; B; C | ±10% | 5 | Pilot Duty: 480 VA @ 240 Vac; General Purpose: 10 A @ 240 Vac | 107% | 110% | ±0.5% | Manual; 2 - 300 s adjustable | Under/Over Voltage: 4 s; Unbalance/Phase faults: 2 s | ±1% | 93% | 90% | 4.50% | 6% |
202 Applications
- Fan motors
- Scroll compressors
- Grinders
- Conveyor systems
- Elevators and escalators
