ABB CT-MVS.22S Multifunction Time Relay, 24-240V AC/DC 2c/o 0.05s-300h

1. Product Overview

ABB CT-MVS.22S is a premium industrial-grade multifunction time relay from ABB’s trusted CT-S timing relay series, widely used in global industrial and building automation time-sequence control systems. Designed to replace multiple single-function timing modules, this DIN rail mounted time relay delivers all-in-one timing performance with 24–240V AC/DC ultra-wide universal voltage, 2 change-over (2c/o SPDT) outputs, and an ultra-large adjustable timing range of 0.05 seconds to 300 hours. Supporting 11 selectable industry timing modes and external potentiometer adjustment, the CT-MVS.22S solves complex delay, cyclic timing, and sequential control challenges. With industrial anti-interference design, compact housing, and wide temperature adaptability, it ensures long-term stable operation in harsh factory environments, serving as a core timing control component for mechanical equipment, power distribution systems, and automated production lines.

2. Complete Technical Specifications

2.1 Electrical Performance Parameters

The ABB CT-MVS.22S multifunction time relay features industry-leading universal voltage compatibility, covering 24V–240V AC and 24V–48V DC, perfectly matching global industrial power supply standards without model replacement. Equipped with two independent 2c/o SPDT relay contacts, the module offers a 4A/250V AC rated switching capacity, stably driving industrial contactors, solenoid valves, and secondary control loops without load failure. Its ultra-wide timing range (0.05s to 300h) fully covers ultra-short delay, medium precise timing, and ultra-long cyclic timing scenarios. Adopting high-precision dedicated timing chips, the device maintains consistent timing accuracy and repeatability even during long-term continuous industrial operation, effectively avoiding timing deviation caused by voltage fluctuations.

2.2 Full Timing Function Modes

As a high-integration timing device, the ABB CT-MVS.22S integrates 11 exclusive industrial timing modes to meet nearly all automation timing logic requirements. The configurable functions include ON-delay, OFF-delay with auxiliary voltage, impulse ON/OFF delay, symmetrical cyclic delay, ON-start/OFF-start flasher, star-delta motor switching delay, pulse forming, and cumulative delay functions. Users can flexibly switch modes and calibrate timing parameters via onboard DIP switches and adjustment potentiometers without rewiring. Additionally, it supports external remote potentiometer access, allowing real-time on-site timing parameter modification, which greatly improves debugging efficiency and adapts to complex customized sequential control systems in automated production.

2.3 Mechanical and Environmental Parameters

The ABB CT-MVS.22S adopts standard 35mm DIN rail mounting, enabling tool-free quick installation, easy replacement, and neat cabinet wiring layout to save control cabinet space. The front panel features IP50 dustproof protection, effectively isolating internal circuits from cabinet dust and minor particle interference. It supports a wide working temperature range of -25°C to +60°C and storage temperature of -40°C to +85°C, adapting to high-temperature workshops, low-temperature equipment rooms, and temperature-fluctuating industrial scenarios. Standard anti-loose screw terminals ensure stable wiring connection, prevent virtual connection faults, and fully comply with IEC industrial electrical installation and safety specifications.

3. Core Product Features and Advantages

3.1 Ultra-Wide Voltage Compatibility & Universal Adaptability

One of the core advantages of theABB CT-MVS.22S universal time relay is its ultra-wide AC/DC hybrid voltage compatibility. Unlike traditional single-voltage timing relays that require model replacement for different power systems, this single module adapts to all conventional industrial voltage specifications worldwide. It unifies spare part models for system integrators and engineering projects, greatly reducing procurement costs, inventory pressure, and after-sales maintenance costs. Suitable for European, American, and Asian standard power distribution systems, it is the preferred universal timing device for standardized automation equipment and cross-regional engineering transformation projects.

3.2 Multi-Function Integration Reduces System Complexity

By integrating 11 timing functions into a single compact module, theABB CT-MVS.22S completely replaces multiple single-function time relays, simplifying circuit design and optimizing internal cabinet wiring structure. The intuitive onboard adjustment design allows technicians to switch timing modes and calibrate delay parameters in seconds via DIP switches and potentiometers, no circuit modification or rewiring required. The optional remote potentiometer adjustment further realizes external dynamic parameter tuning, solving the pain point of inconvenient parameter modification for closed automation equipment and significantly improving the flexibility and intelligence of industrial control systems.

3.3 High Stability & Industrial Anti-Interference Capability

Built with ABB’s mature industrial circuit technology and high-grade flame-retardant insulating materials, the ABB CT-MVS.22S time relay features excellent electromagnetic anti-interference performance. It effectively resists common industrial interference such as electromagnetic radiation, voltage surges, harmonic fluctuations, and frequency jitter, ensuring stable and accurate timing signal output in complex factory environments. The optimized relay contact structure improves switching fatigue resistance, extending mechanical and electrical service life. It avoids common faults like timing drift, output lag, and signal instability after long-term operation, providing reliable continuous timing guarantee for automated production lines and key industrial equipment.

4. Industrial Application Scenarios

The ABB CT-MVS.22S multifunction time relay covers full-scene industrial and commercial automation control applications. In mechanical automation, it is widely used for equipment power-on delay, star-delta motor soft start timing, production line sequential action control, and cyclic flashing warning control. In power distribution systems, it undertakes delay protection, fault signal locking, and automatic reset control to improve power system safety. In building automation, it controls lighting delay shutdown, ventilation equipment cyclic operation, and air conditioning timing switching. It also applies to process industry equipment linkage timing, auxiliary equipment delayed start, and safety logic optimization, helping enterprises achieve standardized, low-consumption, and high-efficiency automatic production operation.

5. Frequently Asked Questions (FAQ)

5.1 What voltage does ABB CT-MVS.22S support?

The ABB CT-MVS.22S is a universal wide-voltage time relay, supporting 24V–240V AC and 24V–48V DC power supply. It is compatible with almost all global industrial and commercial power supply systems, realizing one model for universal use.

5.2 How many timing modes does CT-MVS.22S have?

This multifunction time relay integrates 11 mainstream industrial timing modes, covering delay on, delay off, pulse timing, cyclic timing, star-delta start timing and customized logic. It can replace most single-function timing relays on the market.

5.3 Does CT-MVS.22S support external timing adjustment?

Yes. The ABB CT-MVS.22S reserves an interface for external potentiometer connection, allowing real-time remote adjustment of timing parameters, which is convenient for on-site debugging and dynamic parameter modification of automated equipment.

5.4 What is the working temperature range of CT-MVS.22S?

The device operates stably from -25°C to +60°C, with a storage temperature range of -40°C to +85°C. It adapts to harsh industrial environments with temperature changes and has strong environmental adaptability.