KUKA 00-176-743 Control Cabinet Cooling Fan KRC4

KUKA 00-176-743 Control Cabinet Cooling Fan for KRC4

The KUKA 00-176-743 is the main forced-air cooling fan of the KUKA KRC4 control cabinet (KUKA designation "Radial fan w. speed reg. 24V+cable long"). It is the radial cabinet fan that moves air through the cabinet so the servo drives, power packs and controller modules stay inside their operating temperature range, and it is speed-regulated, so cabinet thermal management can follow the actual cooling demand instead of running the fan at full output all the time. The sections below cover its specifications, applications, design purpose, common failure modes and replacement guidance.

Specifications

Verify by part number 00-176-743 and your controller serial — send yours so we confirm voltage, mounting and airflow direction before you order.

Industrial Applications

• Cabinet thermal management for KUKA KRC4 robot controllers used in welding, handling, palletizing, automotive and general automation cells.
• Draws air through the cabinet filtered intake and exhausts heated air to keep servo drives, power supplies and controller modules within operating temperature.
• Part of the controller thermal management loop — a stalled or slowed fan raises cabinet temperature and can trigger an overtemperature fault and controlled shutdown.
• Direct replacement for a worn cabinet cooling fan, restoring airflow without mechanical modification.

Design Purpose

• Forced-air cooling unit that maintains safe operating temperature inside the KRC control cabinet.
• Speed-regulated 24 V DC radial fan, so cabinet thermal management can reduce output when the cabinet is cool and reserve full airflow for heavy load phases.
• Designed as a drop-in replacement matching the original mounting position and airflow direction.
• Prevents overtemperature faults and thermal shutdowns that interrupt production.
• Keeps the cabinet thermal management loop intact after the fan is replaced.

Common Failure Modes

• Bearing wear causing increased noise, vibration or reduced airflow.
• Fan stalls or stops after long service hours, triggering overtemperature faults.
• Dust accumulation on the blades and intake reducing cooling efficiency.
• Winding or capacitor aging leading to intermittent start-up or a dead fan.
• Speed-regulating side no longer responding — the fan runs at full output or fails to follow the cabinet temperature demand, which shows up as noise or premature bearing wear rather than as a clean fault.

Why Choose Us

• Genuine KUKA 00-176-743 control cabinet cooling fan, verified by part number.
• Fitment confirmed against your controller serial before quote.
• Supplied as new original or used original; the condition is confirmed with you before ordering.
• Voltage, mounting and airflow direction confirmed with us before ordering so the fan matches your cabinet.
• Request a quote for current pricing and lead time — we confirm the match before you order.

Related Products

• KUKA 00-250-623 — DC radial fan 24V for the KR C4 cabinet; it is a different part from this one and is not interchangeable.
• ABB 3HAC028815-001 — dust filter for controller cabinets, the intake filter that keeps the cooling airflow clean on ABB platforms.
• ABB 3HAC029105-001 — 120 x 120 x 38 mm cooling fan unit for ABB controller cabinets.
• KUKA 00-198-266 — KSP 600-3x20 UL servo pack, one of the main heat sources this cabinet fan cools.
• KUKA 00-235-627 — CCU cabinet control unit for KRC4, the cabinet control hardware this fan protects.
• KUKA cooling fans and consumables — other cabinet filters, PC fans and heat management items; request a quote with your controller serial.