Eaton XTOB IEC Bimetallic Overload Relay — 55 mm DC Frame, Class 10 (6–57 A)
| Specifications (As Configured) | |
|---|---|
 Vendor |
Eaton
|
 SKU |
XTOB010DC1DP
|
The Eaton XTOB IEC bimetallic overload relay delivers dependable thermal overload protection for larger three-phase motors. This 55 mm DC-frame block mounts directly to Eaton's D-frame XTCE contactors (approximately 50–72 A), snapping together with the contactor to form a compact, fully wired starter without extra panel space or jumper wiring. Ambient-compensated bimetal strips and built-in phase-loss sensitivity trip the control circuit before a stalled, overloaded, or single-phasing motor is damaged.
Each unit has an adjustable trip-current dial so you can match protection precisely to the motor's full-load amps within its range. Select the current range that matches your motor below.
Key specifications
- Type: Bimetallic (thermal) IEC overload relay, ambient temperature compensated
- Frame size: 55 mm (DC frame)
- Contactor compatibility: Direct-mount to Eaton XTCE D-frame contactors (≈50–72 A)
- Trip class: Class 10 (trips within 10 seconds at locked-rotor current)
- Auxiliary contacts: 1 N.O. + 1 N.C.
- Reset: Selectable manual / automatic; Test and Stop functions with trip indication
- Adjustable current ranges: 6–10 A, 10–16 A, 16–24 A, 24–40 A, 40–57 A
- Phase-loss / single-phase sensitivity: Yes
- Standards: UL listed, CSA, IEC/EN 60947-4-1
Typical applications
Air compressor motors, pumps, fans, conveyors, and general three-phase machinery requiring overload protection up to 57 amps. A popular replacement and upgrade overload for reciprocating and rotary screw air compressor starters built on Eaton D-frame contactors.
The Eaton XTOB DC-frame bimetallic overload relay is a proven, code-compliant choice for protecting larger motors against overload, phase loss, and prolonged starting current. With Class 10 tripping, adjustable current settings from 6 to 57 amps, and direct mounting to Eaton D-frame contactors, it builds a reliable, space-saving motor starter for industrial and commercial equipment.
NOTE: Actual product may be different from pictured!
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