MMTC HBF Nema 1 Open-Close Interior Key Switch

NEMA 1 Interior OPEN-CLOSE Key Switch in Single Gang Back Box Flush Mount

The MMTC HBF is a professionally designed NEMA 1 interior-rated OPEN-CLOSE key switch built for reliable access control of doors and gates. Featuring a durable stainless steel faceplate and a flush mount single gang back box design, this key switch delivers clean, professional installation for interior applications. Its center return mechanism ensures the switch returns to the neutral position after activation, providing consistent and predictable operation.

Key Features

• OPEN-CLOSE with Center Return: The key switch provides OPEN and CLOSE positions with an automatic center return for reliable, repeatable control of doors and gates.
• Mortise Cylinder: Equipped with a mortise-style key cylinder for secure, keyed access control.
• Stainless Steel Faceplate: A durable stainless steel faceplate offers long-lasting corrosion resistance and a clean, professional appearance.
• Flush Mount Design: Installs into a standard single gang back box for a sleek, flush-mounted finish that blends seamlessly with interior walls.
• NEMA 1 Rated: Designed for interior use, providing protection against contact with enclosed equipment in controlled indoor environments.
• Keying Options: Available in Keyed Alike or Keyed Random configurations to suit your specific security and access requirements.

Specifications

• Manufacturer SKU: HBF
• Enclosure Rating: NEMA 1 (Interior)
• Switch Type: OPEN-CLOSE with Center Return
• Cylinder Type: Mortise Cylinder
• Faceplate Material: Stainless Steel
• Faceplate Dimensions: H = 4-1/2", W = 2-3/4"
• Back Box Dimensions: H = 4", W = 2", D = 2"
• Mounting: Single Gang Back Box, Flush Mount
• Keying Options: Alike or Random
• Weight: 1 kg

Applications

The MMTC HBF key switch is ideally suited for interior installations where keyed OPEN-CLOSE control is required. Common applications include:

• Commercial and industrial overhead door control
• Interior gate access control
• Loading dock door activation
• Secure entry points requiring keyed operation

Its flush mount configuration makes it an excellent choice for finished interior walls where a clean, unobtrusive installation is desired. The single gang back box format allows for straightforward integration with standard electrical boxes.

Quality & Reliability

Manufactured by MMTC, Inc., a trusted name in access control and door/gate automation components, the HBF key switch is engineered for dependable daily use in commercial and industrial environments. The stainless steel construction and mortise cylinder design ensure long service life and secure operation, making it a reliable choice for any interior access control application.