Solid State Voltage Regulator SSR VD, 0-10VDC/0-250VAC

The solid-state power regulator is designed to control the power of an AC load using a 0–10 VDC analog control signal. It is used for proportional output regulation in electrical distribution systems and equipment where contactless switching or smooth control of a power circuit is required.

Technical Specifications

• Device type: Solid-state power regulator
• Control input: 0–10 VDC
• Output for VD25 version: 0–250 VAC
• Rated current depending on the selected variant: 10 A, 25 A, 40 A, 60 A, 80 A, 100 A, 120 A
• Dielectric strength: 2500 Vrms
• Insulation resistance: 1000 MΩ
• Ambient operating temperature range: -30 to +75 °C
• Ambient storage temperature range: -30 to +110 °C
• Housing material: ABS
• Base material: Aluminum
• Humidity according to IEC60068-2-78: 93%, non-condensing
• Lifespan at 40 °C ambient temperature: 4,704,120 hours
• Lifespan at 60 °C ambient temperature: 2,549,160 hours
• Load current with heatsink: 5 to 84 A depending on the 10 to 120 A model
• Load current without heatsink: 4 to 9 A MAX.
• Inrush current: 50 to 1000 A depending on the 10 to 120 A model
• Terminal connection for power circuit and control input
• Terminal markings on the regulator body: 1, 2, 3, 4

Functions and Features

• Contactless solid-state power output control without mechanical contacts.
• Proportional AC output regulation using an analog input signal.
• Galvanic isolation between the control and power sections, expressed by a dielectric strength of 2500 Vrms.
• Aluminum base ensures heat dissipation from the power section of the regulator.
• Design with mounting holes for secure attachment to a surface or heatsink.
• Terminals allow the connection of wires for both the power circuit and the control signal.
• Operating temperature range allows use in electrical equipment operating in standard industrial environments.

Ideal For

• Power regulation of AC loads in electrical equipment.
• Applications with analog control using a 0–10 VDC signal.
• Heating systems and resistive loads requiring power regulation.
• Industrial switchboards, control units, and automation systems.
• Replacing mechanical switching where solid-state control without moving contacts is required.

Package Contents

• 1× Solid-state power regulator in the selected current variant

Why Choose This Product

• Allows direct control of the AC power output with a 0–10 VDC analog signal.
• Offers current variants from 10 A to 120 A for various application power requirements.
• Solid-state design reduces wear on the switching component caused by mechanical contact.
• Technical parameters include the specified insulation strength, insulation resistance, temperature range, and non-condensing moisture resistance.
• Design with an aluminum base supports heat dissipation when mounted on a suitable heatsink.

Installation and Operation Instructions

• Installation and wiring must be performed by a person with appropriate electrical qualifications.
• Before wiring, verify that the current variant of the regulator matches the current and characteristics of the connected load.
• During operation with higher load currents, ensure adequate heat dissipation through the aluminum base and a suitable heatsink.
• Install the regulator on a non-flammable and mechanically stable surface.
• Ensure correct connection of power and control terminals according to the markings on the regulator body.
• Do not connect the 0–10 VDC control circuit to the power terminals.

Safety Warnings

• The device operates with AC voltage up to 250 VAC, which poses a risk of electric shock.
• Always disconnect the power supply to both the power and control circuits before installation, maintenance, or wiring changes.
• Incorrect wiring leads to the risk of short circuits, overheating, damage to the regulator, or damage to the connected load.
• Inadequate cooling may cause the power section of the regulator to overheat.
• Do not exceed the rated current of the selected variant.
• Do not use the regulator in environments with condensing humidity.
• The product is not intended to be installed while live.