Siemens 3SB3500-1CA21 Pushbutton Actuator

Product Description

The SIEMENS 3SB3500-1CA21 is a pushbutton actuator designed for use in industrial control panel applications. This component serves as the operator interface element that initiates or interrupts electrical control circuits when depressed. It mounts into a standard control panel cutout and connects to contact blocks in the rear. Licensed electricians and industrial maintenance technicians are the primary installers. The actuator is compact and lightweight at 0.163 pounds, making it straightforward to handle during panel assembly or field replacement.

This actuator is suited for industrial and commercial control panel environments where reliable operator-initiated switching is required. Typical applications include motor starters, machine control stations, and process control panels. It is intended for use in conjunction with compatible contact blocks and panel enclosures that accept the 3SB3 series form factor.

Key Features

• Compact form factor fits standard 3SB3 series panel cutouts
• Lightweight construction at 0.163 pounds for easy panel installation
• Designed to pair with modular contact block assemblies
• Suitable for industrial control panel and machine operator station use

Compatibility

Designed as an OEM-style replacement or new-installation actuator for industrial control panels accepting the 3SB3 series pushbutton form factor.

Installation Notes

Installation should be performed by a qualified electrician or industrial maintenance technician. De-energize the control panel and verify the absence of voltage before beginning any work. The actuator mounts through the panel face and secures to the contact block assembly from the rear according to the manufacturer assembly sequence. Refer to applicable NEC and local electrical codes for control panel wiring requirements.

Technical Specifications

• Weight: 0.163 pounds
• Length: 4.547 inches
• Width: 2.087 inches
• Height: 4.921 inches
• UPC: 75455484128

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3SB3500-1CA21