Description:
The ABB Auxiliary Contact Block (e.g., HKF1-11) is a compact, reliable add-on accessory for the MS116 series manual motor starters. It provides additional contact outputs (typically 1 NO + 1 NC) for monitoring and control purposes, enhancing the starter’s functionality in motor control and automation systems.

Application:
Used in motor control panels, machine automation, and safety circuits to indicate motor starter status (ON/OFF/trip) or control other equipment in interlocked configurations.

Objective:
To extend the capability of the MS116 motor starter by offering auxiliary signaling for remote indication, interlocking, or integration with control logic (PLC/HMI).

✔️ Key Features:

• Contact Configuration:
  – 1 Normally Open (NO) + 1 Normally Closed (NC)
  – Available in other variants like 2NO or 2NC

• Mounting Style:
  – Side-mount or front-mount on MS116 motor starters
  – Easy snap-on installation without tools

• Electrical Ratings:
  – Rated Voltage: Up to 690 V AC / DC
  – Rated Current: 4 A (AC-15, 230V)

• Protection:
  – Finger-safe terminals (IP20)
  – Screw clamp connections for secure wiring

• Durability:
  – Mechanical life: ≥ 100,000 operations
  – Electrical life: ≥ 50,000 operations under typical load

• Standards & Compliance:
  – IEC/EN 60947-5-1 compliant
  – CE, UL, and CSA approved