3406C INDUSTRIAL ENGINE Caterpillar

7W6551 24V

Voltage rating 24V

Coil resistance at 25°C (77°F):

Pull-In coil ... 0.560 ± 0.056 ohms

Hold-In coil ... 21.5 ± 2.15 ohms

Derated voltage at 25°C (77°F) ... 16.8 VDC

Maximum coil current with 28.8 VDC at 40°C (104°F):

Pull-In coil ... 80.6 amps

Hold-In coil ... 2 amps

Energized To Run

8C4771 24V

Coil resistance at 25°C (77°F):

Pull-in windings ... .92 to 1.12 ohms

Hold-in windings ... 43.2 to 52.8 ohms

Final installation tighten terminal nuts to a torque of ... 1.70 ± 0.25 N·m (15 ± 22 lb in)

Energized To Shut Down

110-6465 24V

Voltage rating 24 V

Coil resistance at 25°C (77°F) ... 5.12 ± 0.26 ohms

Duty-intermittent, 70 seconds maximum "ON".

Maximum coil current with 28.8 VDC at 40°C (104°F) ... 7.9 amps