OVERVIEW

Official designation: TECO CU-11 (CU Series, Magnetic Contactor)

Role/Application: Three-phase electromechanical switching device used for control of motor circuits and general power loads up to 5.5 kW at 690 V.

KEY SPECS SUMMARY

Power: Coil voltage varies (e.g., 24 V, 110 V, 220 V)

Interfaces / Ports: Main Power 3-pole, 1 NC auxiliary

Indicators: Refer to the latest manufacturer manual.

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: AC3 rating 11 A / AC1 rating 24 A

Limit: Max operating voltage 690 V

Lifecycle: Replaces TAIAN CN-11 (Discontinued status varies)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the current ratings for the contactor under AC3 and AC1 utilization categories?

A: The AC3 rated operational current is 11 A, and the AC1 rated current is 24 A.

Wiring & Installation:

Q: What must be checked before installing the CU-11 contactor to ensure proper function?

A: The specific control coil voltage must be verified against the supply before connection.

Troubleshooting & Compatibility:

Q: Is the CU-11 magnetic contactor suitable for use as a direct replacement for the TAIAN CN-11?

A: Yes, the TECO CU-11 model is a direct replacement for the TAIAN CN-11 contactor series.

Replacement & Upgrades:

Q: What maximum motor capacity does the CU-11 support at a line voltage of 200/208 V?

A: The CU-11 model supports a motor capacity of up to 5 HP at 200/208 V.