The Schneider Electric XB5AK123M5C is a complete 22mm panel-mounted, 2-position green illuminated selector/rotary switch from the Harmony XB5 plastic series. Combining a stay-put standard handle operator head with an integrated 230V - 240V AC light block and a dual contact block arrangement (1 NO + 1 NC), it serves as a robust human-machine interface for mode selection, system activation, and illuminated status indication.

Specification

• Manufacturer: Schneider Electric
• Product Series: Harmony XB5 Plastic Range
• Part Number: XB5AK123M5 / XB5AK123M5C
• Component Type: Complete Illuminated 2-Position Selector Switch Assembly
• Operator Type: Standard Handle / Knob (Stay-Put / Maintained position)
• Mounting Hole Cutout: 22.5\text{mm}$ (Standard 22mm panel cutout)
• Operator Color Profile: Green Illuminated Handle
• Switching Positions: 2 Positions (90°C throw angle: Position 1 →  Position 2)
• Bezel & Collar Material: Dark Grey Double-Insulated Thermoplastic
• Contact Configuration: 1 NO + 1 NC (1 x Normally Open + 1 x Normally Closed) slow-break contacts
• Contact Electrical Ratings:
  • AC-15: 3A at 240V AC / 6A at 120V AC
  • DC-13: 0.27A at 250V DC / 0.55A at 125V DC
  • Thermal Current (Ith): 10A
• Illumination Supply Voltage (Us): 230V - 240V AC (50/60Hz)
• Light Source Type: Integrated Universal LED Light Block
• Terminal Connection: Screw Clamp Terminals (Accepts up to 2 x 1.5mm²  cable ends or 2 x  2.5mm² bare wire)
• Ingress Protection Rating: IP66 / IP67 / IP69 / IP69K (High-pressure washdown resistant) / NEMA 4X, 13
• Mechanical Durability: Up to 1,000,000 switching cycles
• Operating Temperature: -40°C to +70°C

Features

• Maintained 2-Position Rotary Action: Stays locked in either position until turned back manually, preventing accidental resets during operation.
• Double-Insulated Plastic Construction: Built with high-impact dark grey thermoplastic bezels and fixing collars, delivering corrosion resistance against washdown chemicals while eliminating shock hazards without a grounding connection on the bezel.
• Dual Contact Switching (1 NO + 1 NC): Features both Normally Open (13 - 14) and Normally Closed (21 - 22) contact blocks out of the box. Rotating the handle simultaneously opens one control path while closing the other.
• Integrated 230V/240V AC LED Light Block: Operates directly on standard high-voltage AC mains control supplies without needing external step-down transformers, providing clear visual feedback on machine power or mode selection.
• Extreme IP69K Environmental Rating: Sealed to IP66 / IP67 / IP69K standards, making it immune to dust ingress and hot, high-pressure water jets used in industrial washdowns.

Common Applications

• OFF / RUN Mode Selection: Switching machinery from a standby state to an active run state while illuminating the green handle to signal operation.
• MANUAL / AUTO Transfer Switching: Toggling between manual control loops (21 - 22 NC) and automated PLC input circuits (13 - 14 NO).
• HVAC & Industrial Pump Control: Selecting pump run profiles on 230V AC control panels across wastewater and processing plants.

Installation & Wiring Guide

• Panel Cutout Prep: Punch a standard 22.5mm mounting hole into the enclosure door.
• Mount Operator Head: Insert the green selector operator head through the front face of the cutout.
• Attach Fixing Collar: Slide the plastic fixing collar onto the back of the head from inside the panel and tighten the locking screw (0.8 - 1.2N.m).
• Wire Contact Blocks:
  
  • Terminals 13 - 14 (NO): Wire into your primary run circuit or PLC logic input.
    
  • Terminals 21 - 22 (NC): Wire into your standby, indicator, or alternative control loop
• Wire LED Block (X1 - X2): Connect your 230V - 240V AC control phase and neutral leads to light module terminals X1 and X2.