APC TeSys U Auxiliary Contact Block LUA1C11 1NO+1NC

The APC TeSys U LUA1C11 is a high-quality auxiliary contact block designed for use with TeSys U motor starter power bases. This compact and reliable component adds one normally open (NO) and one normally closed (NC) auxiliary contact to your motor control system, enabling status feedback, interlocking, or signaling functions. Engineered for industrial environments, it offers robust electrical and mechanical durability, ensuring long service life even in demanding applications.

Advantages

Easy frontal clip-on mounting simplifies installation and reduces downtime. The screw clamp terminals provide secure and reliable connections. With a mechanical durability of 10 million cycles and electrical durability of 100,000 cycles, this auxiliary contact block delivers exceptional longevity. Its compact design saves space in control panels.

Suitable for

• TeSys U power bases (LUCA, LUCD, LUCB, LUCC)
• Motor control and protection systems
• Industrial automation and machinery
• Signaling and interlocking circuits

Key specifications

• Contact configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Rated operational current (AC-15): 3 A at 240 V AC
• Rated operational current (DC-13): 0.22 A at 250 V DC
• Rated insulation voltage (Ui): 690 V (IEC), 600 V (UL/CSA)
• Rated impulse withstand voltage (Uimp): 6 kV
• Minimum switching current: 5 mA
• Minimum switching voltage: 17 V
• Connections: Screw clamp terminals
• Electrical durability: 100,000 cycles
• Mechanical durability: 10,000,000 cycles
• IP protection: IP20 (terminals), IP40 (front face)
• Operating temperature: -25 to 70 °C
• Standards: IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1
• Pollution degree: 3

Recommendations

For optimal performance, pair the LUA1C11 with compatible TeSys U power bases. Ensure proper torque settings for screw clamp connections as per manufacturer guidelines. This auxiliary contact block is ideal for applications requiring reliable auxiliary contacts in motor starter systems.