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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | Symcom / Littelfuse |
| Manufacturer Product Number | 202 |
| Description | Voltage Monitor Relay; Lo/Hi V, Unbal, Loss, Rev; 190-480 VAC; TD 4s/2s; SPDT |
| Datasheet | Download Datasheet |
The Littelfuse SymCom 202 is a 3-phase voltage monitor for 190-480 V AC motors. It protects against low voltage, high voltage, voltage unbalance, single-phasing and phase reversal. Sensing: Auto-ranging, dual range.
Trip / reset points: low voltage 90% / 93% of setpoint; high voltage 110% / 107% of setpoint; voltage unbalance 6% fixed / 4.5% (NEMA).
Trip delay: 4 s (high/low voltage); 2 s (unbalance and phasing faults). Restart delay: Manual or 2-300 s adjustable (after a fault or a complete power loss). Reset: Manual or automatic. Accuracy: ±1%.
Output: 1 Form C (SPDT), 10 A @ 240 VAC general purpose. Mounting: 1/4 in socket head cap screw (customer supplied), 0.25 in male quick connect. Dimensions: 63.5 x 63.5 x 35.56 mm (2.5 x 2.5 x 1.4 in), H x W x D.
It operates from -40 to +70 °C. Approvals: UL Recognized (UL 508).
| Category | |
| Manufacturer | Symcom / Littelfuse |
