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The MVC4-TCB 36-0576 is the core terminal and control board for MVC4 series soft starters. This hardware module provides 120V AC or 24V DC control power input terminals and integrates signal interfaces for connecting to the Main Firing Board, serving as the centralized physical platform for all external control wiring in the MVC4 system.
TCB-to-Firing Interface
5A/240VAC Form C Contacts
PFC Timed Relay Logic
The MVC4-TCB (36-0576) features Form C (SPDT) programmable output relays with a contact rating of 5A / 240VAC (1200VA). The onboard circuitry includes dedicated logic supporting remote fault reset inputs, dual-ramp signal processing, and specialized timed relays for synchronized control of Power Factor Correction contactors.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Motortronics MVC4-TCB 36-0576 Control Board Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil and Gas
Used for controlling oil pumps, compressors, and water injection pumps. It reduces impacts on remote power grids through current limit starting and provides overload/underload protection for critical transport equipment.
Water Treatment
Primarily used for high-power submersible and sewage pumps. Utilizes the Soft Stop function to eliminate water hammer effects in piping systems, preventing pipe bursts and reducing valve wear.
Mining and Metals
Applied to large crushers, ball mills, conveyors, and fan loads. Provides controlled starting torque for high-inertia loads, reducing stress impacts on drive gears and belts.
Power Generation
Commonly used to drive circulating water pumps, boiler fans, and auxiliary motors. Facilitates automated connection with systems via onboard programmable relays and supports interlocking logic.
Chemical Processing
Suitable for mixers, dryers, centrifuges, and various process pumps. Provides smooth acceleration control in harsh environments to ensure stable process flows during the starting phase.
Pulp and Paper
Used to drive refiners, chippers, and various paper machinery. Provides reliable closed-loop current protection and remote control interfaces for high starting load requirements.
The MVC4-TCB (36-0576) terminal board requires all external control wiring to be connected to the onboard plug-in terminal blocks. Ensure control power is 120V AC or 24V DC to match the hardware version. For Power Factor Correction, the TCB's timed relays must control external contactors; capacitors must be connected on the line side, never to motor terminals. The board connects to the Main Firing Board via ribbon cable, processing dry contact signals for remote reset, Ramp 2 selection, and emergency stop. Disconnect power and verify capacitor discharge before maintenance. Onboard relay contacts are rated 5A / 240VAC; use interposing relays for higher power coils.
What is the functional role of the MVC4-TCB (36-0576) board?
The TCB (Terminal and Control Board) provides the physical interface for user connections, including terminal blocks, output relays, and digital/analog inputs for control signals.
What are the relay contact ratings for the MVC4-TCB (36-0576)?
The board features programmable Form C relays rated at 5 Amps and 240 VAC maximum (1200 VA), suitable for status indication or fault tripping.
How does the MVC4-TCB (36-0576) interface with Power Factor Correction?
It includes timed relays for controlling external Power Factor contactors, which must be connected on the line side of the starter to prevent damage.
What control power inputs are compatible with the MVC4-TCB (36-0576)?
The board accepts 120V AC or 24V DC control power via the terminal blocks, depending on the specific factory configuration of the MVC4 unit.
Does the MVC4-TCB (36-0576) support remote reset and signal selection?
Yes, the terminal blocks provide inputs for remote fault reset and Ramp 2 selection using dry contact closures from external devices.
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