Abb MT-105B Speed Potentiometer 5K Ohm Screw Terminal

Product Description

The ABB MT-105B is a 5,000-ohm (5K ohm) speed potentiometer designed for use with variable frequency drives (VFDs) and adjustable speed drive systems. It provides manual speed reference input, allowing technicians to set and adjust motor output frequency directly at the drive or remote panel location. The screw terminal connection simplifies field wiring and supports reliable, repeatable signal output. This type of accessory is typically installed by licensed electricians or drive-certified HVAC technicians during drive commissioning or control system upgrades.

The MT-105B is suited for industrial and commercial applications where a local manual speed reference is required on a VFD panel. Common install scenarios include pump and fan speed control on HVAC air-handling units, cooling towers, and hydronic systems. It mounts as an accessory to compatible ABB drive enclosures or remote operator panels, providing a straightforward analog reference signal to the drive control board.

Key Features

• 5K ohm resistance for standard VFD analog speed reference input
• Screw terminal connection for secure, tool-accessible field wiring
• Compact form factor suited for panel-mount drive enclosures
• Designed for manual speed reference adjustment on adjustable speed drives

Compatibility

Designed as an OEM-style speed reference accessory for compatible ABB variable frequency drives and remote operator panel installations. Consult the drive documentation to confirm potentiometer resistance requirements before installation.

Installation Notes

Installation should be performed by a qualified electrician familiar with VFD control wiring and applicable NEC requirements. De-energize and lock out the drive system completely before making any control terminal connections. Use appropriately sized conductors and verify the drive analog input accepts a 5K ohm potentiometer reference signal before wiring. Do not apply line voltage to the low-voltage analog input terminals.

Technical Specifications

• Resistance: 5,000 ohms (5K ohm)
• Connection Type: Screw terminal
• UPC: 32050037610

Standard Information

• Brand: ABB
• Manufacturer Part Number: MT-105B