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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | ATC Diversified |
| Manufacturer Product Number | OVL23B1 |
| Description | Overload Relay; 15 - 23 A; Class 10; OVL-B1 |
| Datasheet | Download Datasheet |
The ATC Diversified OVL23B1 is an overload relay with a 15 - 23 A setting range. It mounts directly on an ATC CON Series contactor and trips the contactor's coil circuit on a motor overload (Trip Class 10) or a lost phase; the setting dial matches it to the motor's full-load current.
Relay: bimetallic (thermal), phase-loss sensitive. Fits: ATC CON Series contactors S9, S12, S18, S25, S32, S40 (direct mount). Reset: manual or automatic (selectable); test function and stop button. Voltage: 600 V AC (UL/CSA); 690 V AC (IEC). Short circuit: 5 kA standard; 100 kA high fault with Class J fuses. Pilot duty: C600 (AC), R300 (DC). Size: 45 x 69.79 x 82.5 mm (W x H x D). Approvals: cULus Listed, CE. It operates from -25 to +60 °C and stores from -40 to +70 °C.
| Category | |
| Manufacturer | ATC Diversified |
| Part Status | Discontinued |
| Relay Type | Bimetallic (thermal), phase-loss sensitive |
| Current Setting Range | 15 - 23 A |
| Trip Class | Class 10 |
| Number of Poles | 3-pole |
| Frame Size | OVL-B1 |
| For Use With | ATC CON Series contactors S9, S12, S18, S25, S32, S40 (direct mount) |
| Reset Method | Manual or automatic (selectable); test function and stop button |
| Rated Voltage | 600 V AC (UL/CSA); 690 V AC (IEC) |
| Short Circuit Rating | 5 kA standard; 100 kA high fault with Class J fuses |
| Pilot Duty | C600 (AC), R300 (DC) |
| Power Dissipation | 1.3-2.0 W per pole |
| Dimensions | 45 x 69.79 x 82.5 mm (W x H x D) |
| Operating Temperature | -25...+60 °C (-40...+70 °C) |
| Approvals | cULus Listed, CE |