Schneider Electric XB7ND21 2 Position Selector Switch

Product Description

The SCHNEIDER ELECTRIC XB7ND21 is a 2-position maintained-action selector switch designed for industrial control panel applications. It features a non-illuminated black knob operator mounted through a 22 mm panel cutout using a standard screw-clamp terminal connection. Rated at 0.6 amps with a normally open (NO) contact configuration, this selector switch carries IP65 ingress protection, making it suitable for environments exposed to dust and water spray. It meets multiple international standards including UL 508, CSA C22.2 No. 14, and EN/IEC 60947-5-1. Licensed electricians and industrial controls technicians are the primary installers.

The XB7ND21 is used in residential and commercial control panel assemblies where a durable, maintained-position selector is required. Typical applications include motor starters, machine tool control circuits, and HVAC equipment control panels. The maintained operation type means the switch holds its selected position until physically moved, making it appropriate for hand/off/auto or two-state mode selection circuits. Its shock-resistant and vibration-resistant construction suits installations in mechanical rooms and on industrial equipment where vibration is a factor.

Key Features

• 2-position maintained (MA) operation — holds position until manually changed
• 22 mm panel mount hole diameter with screw-clamp terminal connection
• IP65 and IP20 ingress protection ratings — dust-tight and water-spray resistant
• NEMA 12 and NEMA 3 rated enclosure compatibility
• Shock-resistant and vibration-resistant construction
• Meets UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, EN/IEC 60947-1, and JIS C 4520

Compatibility

Designed as an OEM-style replacement or new-installation selector switch operator for 22 mm industrial control panel cutouts rated for NEMA 12 and NEMA 3 enclosure environments.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC guidelines and applicable local codes. De-energize and lock out the control panel before mounting or wiring this switch. Screw-clamp terminals should be tightened to the terminal manufacturer specification using an appropriate slotted screwdriver. Confirm the panel cutout diameter matches the required 22 mm before installation.