Schneider Electric Q99900901 Limit Switch Safety Key XY2C

Product Description

The SCHNEIDER ELECTRIC Q99900901 is a safety key accessory designed for use with XY2C series limit switches. This small, precisely dimensioned component serves as a mechanical key element that engages the switch actuator mechanism, ensuring the switch operates only under controlled, intended conditions. At 1.6 inches in length and 0.8 inches in width, the part is a direct-fit replacement intended for electricians and industrial maintenance technicians servicing safety interlock and machine guarding systems where XY2C limit switches are installed.

This safety key is suited for industrial and commercial electrical applications where XY2C limit switches are used in machine guarding, door interlock, or position-sensing circuits. It is a replacement accessory part for technicians performing scheduled maintenance or field repairs on existing XY2C switch installations. The package quantity is one unit per order.

Key Features

• Designed specifically as a compatible accessory for XY2C series limit switches
• Overall length of 1.6 inches for precise actuator engagement
• Compact profile: 0.8 inches wide and 0.1 inches in height
• Lightweight at 0.02 pounds, minimizing added load on switch mechanism
• Single-piece replacement accessory — sold individually

Compatibility

Designed for use with XY2C series limit switches as specified by the manufacturer.

Installation Notes

Installation should be performed by a qualified electrician or industrial maintenance technician. De-energize and lock out the circuit before servicing any limit switch or associated components, following LOTO procedures in accordance with NFPA 70E and applicable local codes. Verify the replacement key is fully seated in the switch actuator before restoring power. Inspect surrounding switch hardware for wear or damage while the unit is open for service.