Siemens 8WH20000AF00 Terminal Block Marker

Product Description

The SIEMENS 8WH20000AF00 is a terminal block marker designed for use with modular terminal block systems in electrical panel and control cabinet installations. This marking accessory provides clear, durable labeling for individual terminal positions, helping electricians and panel builders maintain organized, code-compliant wiring layouts. At approximately 1.969 inches long, 1.378 inches wide, and 0.157 inches in height, the marker fits into standard terminal block marker channels and strips without requiring specialized tools for installation. Compact and lightweight at 0.013 pounds, it is suited for dense panel environments where space is at a premium.

Terminal block markers like the 8WH20000AF00 are used in residential and commercial electrical control panels, industrial automation enclosures, and machine control cabinets. They are typically installed by licensed electricians or panel builders during the wiring and termination phase of a project. When compatible Siemens modular terminal block systems are present, these markers slot into the designated marking carrier strips to identify circuit positions, conductor references, or equipment labels according to project documentation.

Key Features

• Compact form factor: 1.969 x 1.378 x 0.157 inches for use in dense terminal layouts
• Lightweight construction at 0.013 pounds per marker
• Designed to seat in standard Siemens terminal block marker carrier channels
• Supports clear circuit identification and organized panel wiring
• Aids NEC-compliant conductor and terminal labeling practices

Compatibility

Designed as an OEM-style marking accessory for use with Siemens modular terminal block systems that accept standard marker strip carriers.

Installation Notes

Terminal block markers are installed by licensed electricians during panel assembly or retrofit. Always de-energize the panel and follow lockout/tagout procedures before working inside any electrical enclosure. Markers are typically pressed or slid into the marker carrier strip by hand without tools. Verify the marker channel dimensions match the terminal block series in use before installation.

Technical Specifications

• Length: 1.969 inches
• Width: 1.378 inches
• Height: 0.157 inches
• Weight: 0.013 pounds
• UPC: 75455493677

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 8WH20000AF00