Siemens 51PA8A1 Round Flush Pushbutton

Product Description

The SIEMENS 51PA8A1 is a round flush pushbutton designed for use in industrial control and automation applications. This momentary-action operator mounts flush to a control panel enclosure, keeping the actuator surface level with the panel face to reduce the risk of accidental actuation. It is a compact, durable switching component installed by licensed electricians and industrial maintenance technicians in panel-build and field-service environments. The flush-mount profile suits applications where space is limited or where incidental contact with the operator must be minimized.

This pushbutton is suited for industrial control panels, machine tool enclosures, and automation equipment where a compact round operator is required. The flush configuration is a common choice in environments where operators or equipment may brush against the panel surface during normal operation. It installs into a standard round cutout and connects to compatible contact blocks or operator assemblies within the Siemens pushbutton family.

Key Features

• Round flush-mount operator profile reduces risk of accidental actuation
• Compact dimensions suitable for dense panel layouts
• Designed for industrial control panel and machine tool applications
• Lightweight construction at 0.309 pounds

Compatibility

Designed as an OEM-style replacement or new-installation operator for industrial control panel assemblies requiring a round flush pushbutton actuator.

Installation Notes

Installation should be performed by a qualified electrician or industrial maintenance technician in accordance with applicable NEC requirements. De-energize and lock out the control panel before mounting or servicing this operator. Verify cutout dimensions match the operator body before installation. Secure all contact block connections per the panel wiring documentation.

Technical Specifications

• Weight: 0.309 pounds
• Length: 0.465 inches
• Width: 0.311 inches
• Height: 0.311 inches
• UPC: 78308709230

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 51PA8A1