Schneider RXM230VAC plug-in relay

Schneider RXM230VAC refers to the miniature relay in Schneider’s RXM series with a control circuit voltage of 230V AC. It is widely used in fields such as industrial automation control and signal conversion. Below is its detailed introduction:

Product Type: It is a plug-in relay, part of the Harmony Electromechanical Relays series.

Contact Parameters: Taking the RXM2CB2P7 model as an example, the contact type is 2C/O (2NO+2NC), and the contact material is silver alloy (silver/nickel). The rated load current inside the housing (Ithe) is 10A (under the ambient temperature of -40℃ to 55℃). The rated operating current (Ie) varies under different standards: 10ก (AC-1/DC-1) when complying with UL standards; for NO and NC contacts, it is 5A (AC-1/DC-1) respectively when complying with IEC standards.

Electrical Parameters: The rated insulation voltage (Ui) is 250V (compliant with IEC) and 300V (compliant with UL). The rated impulse withstand voltage (Uimp) is 3.6kV (1.2/50μs, compliant with IEC 61810-7). The maximum switching voltage is 250V AC and 125V DC. The maximum switching capacity is 2500VA AC and 300W DC. The control circuit voltage is 230V AC 50/60Hz. The rated operating voltage range is 184V to 253V AC.

Mechanical Parameters: The mechanical service life is 10,000,000 operations, and the electrical service life is

100,000 operations (for resistive loads). In terms of relay dimensions, the total width is 21mm, total height 27mm, total depth 55mm, and net weight 0.035kg.

Other Features: Equipped with an LED status indicator, it can be installed in any orientation, and has an IP40 protection rating (compliant with IEC 60529). It has obtained certifications such as GOST and UL, and complies with standards like IEC 61810-1 and UL 508.

โมเดลทั่วไป: Including RXM2AB2P7, RXM2CB2P7, RXM4AB2P7, ฯลฯ. Different models vary in contact type, rated current and other parameters. ตัวอย่างเช่น, the rated current of RXM2AB2P7 is 12A.

Schneider RXM230VAC is a miniature plug-in relay with a 230V AC coil in the Harmony series. Its core values lie in signal isolation and amplification, voltage/current conversion, and logical control expansion. It is widely suitable for industrial and building automation scenarios, and can be seamlessly integrated with PLCs, sensors and actuators.

1. Core Applications in Industrial Automation
2. Signal Relaying and Interface Conversion in Control Systems

PLC Interface Expansion: Connects PLC outputs (usually 24V DC) to 230V AC loads, achieving signal isolation and voltage matching to protect PLC output modules.

Sensor-Actuator Linkage: Receives low-level signals from proximity switches, photoelectric sensors, ฯลฯ, and drives high-power actuators such as contactors and solenoid valves.

Hardwired Logic Control: Replaces complex relay matrices to implement basic control logic such as motor forward/reverse rotation and sequential start-up.

2. Mechanical Equipment Control

3. Motor Control and Protection

Serves as the core component of control circuits for star-delta starting and autotransformer reduced-voltage starting, switching the connection mode of motor windings.

Connects to protection devices such as overload relays and thermal protectors to amplify fault signals and cut off control circuits.

Used for direct start/stop control of small motors (≤1kW) when the rated contact current meets requirements.

1. Applications in Buildings and Infrastructure
2. HVAC (Heating, Ventilation and Air Conditioning) Systems

Controls 230V AC loads such as fans, ปั๊มน้ำ, compressors and electric control valves.

Connects to thermostats and humidity sensors to realize automatic temperature/humidity regulation.

Multi-module interlocking of air conditioning units: Sequential control of fan start → compressor start → water pump start.

2. Lighting Control

Zoned lighting control in commercial buildings, factories, airports and other places, receiving commands from intelligent switches or building automation systems.

Emergency lighting system switching: Automatically switches to backup power when mains power fails.

Timing control of landscape lighting: Cooperates with timers to realize automatic on at night and off in the early morning.

3. Building Security and Intelligent Control

Access control systems: Controls the opening and closing of electromagnetic locks and electric bolt locks (230V AC powered type).

Fire alarm linkage: Receives fire alarm signals, cuts off non-essential loads, and activates smoke exhaust fans and emergency lighting.

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III. Energy and Power Distribution Systems

1. Low-Voltage Power Distribution and Switchgear

Control circuit switching in medium and low-voltage switch cabinets, such as circuit breaker closing/opening control and disconnector operation.

Power quality monitoring systems: Triggers the switching of reactive power compensation capacitor banks to improve grid power factor.

Distributed energy systems: Controls grid-connected/off-grid switching of solar inverters and energy storage equipment.

2. Power Management

Switching control of UPS and EPS emergency power supplies, realizing automatic conversion between mains power and backup power.

Redundant control of power supply modules: Automatically switches to backup power modules when the main power supply fails.

1. Other Professional Application Scenarios
2. Medical Equipment

Complies with medical electrical safety standards (แอล 508, ไออีซี 61810), and is used in the control circuits of diagnostic equipment and treatment equipment.

Achieves isolation between strong and weak electricity to ensure the safety of patients and medical staff, suitable for key areas such as operating rooms and ICUs.

2. Food, Beverage and Pharmaceutical Industries

Aseptic area control of production line sterilization equipment, filling systems and packaging machines, isolating control signals from power circuits.

Complies with FDA and GMP requirements, suitable for clean workshop environments.

3. Transportation Infrastructure

Control of baggage sorting systems and passenger walkways in airports and high-speed railway stations.

Vehicle detection and release control of parking lot barriers and toll collection systems.

Automatic control of tunnel ventilation, lighting and drainage systems.

1. Application Advantages and Selection Points

Core Advantages

1. Compact Design (21mm wide): Saves control cabinet space, suitable for high-density installation.
2. Reliable Performance: Mechanical service life of 10⁷ operations, electrical service life of 10⁵ operations (for resistive loads), IP40 protection.
3. Ease of Use: Plug-in installation (matching RXZE sockets), with LED status indicator and manual test button.
4. Wide Temperature Adaptability: Operating temperature range of -40℃ to 55℃, suitable for harsh industrial environments.
5. Global Certifications: แอล, CE, ซีเอสเอ, ไออีซี, ฯลฯ, adapting to standards of multiple countries.

Selection Tips

Select contact specifications (2C/O/3C/O/4C/O, rated current 6A~12A) according to load type (resistive/inductive) and power.

Match with RXZE series sockets (screw/spring terminals) to ensure reliable installation.

For inductive loads, add surge suppressors (such as RC circuits, varistors) to extend contact service life.

This achieves a safe control architecture of low-voltage control of high-voltage and isolation between weak and strong electricity.

สรุป: With its 230V AC coil and flexible contact configuration, RXM230VAC has become a key component for signal and power conversion in industrial and building automation, and plays an irreplaceable role in scenarios requiring safe isolation and reliable switching.