ABB REX010 HESG324426R0001 Control relay

Description

ABB REX010 HESG324426R0001 Product Description:
ABB REX010 HESG324426R0001 is a compact and highly reliable control relay designed specifically for industrial automation and power control applications. As part of the ABB REX series, it is the fundamental building block for motor control centers (MCC), switchgear, and programmable logic controller (PLC) panels, providing safe and efficient switching for low-voltage circuits. This relay serves as a bridge between control signals (e.g. from PLC) and high-power equipment (e.g. motors, valves), ensuring reliable signal amplification and isolation.

ABB REX010 HESG324426R0001

Engineers value its role in simplifying circuit design, as it can convert low-power control signals (such as 24V DC) into high-power outputs (up to 250V AC/30V DC). Its plug and play design and standard DIN rail installation method can be quickly integrated into new or renovated systems, reducing installation time. ABB REX010 HESG324426R0001 is particularly valuable in distributed control systems, as it enables decentralized switching while maintaining compatibility with both old and modern control platforms.

ABB REX010 HESG324426R0001

Main features and advantages:
ABB REX010 HESG324426R0001 has excellent functional performance, with a switching speed of less than 10 milliseconds, ensuring fast response to control signals. Its Double Knife Double Throw (DPDT) contact configuration provides flexibility for parallel or redundant circuits, while the 10A rated silver nickel contacts are resistant to soldering and corrosion, extending their service life in high current applications. The reinforced insulation (2.5kV dielectric strength) of this relay can prevent voltage spikes, which is crucial in inductive load environments such as motors or solenoid valves.

Hardware design prioritizes durability, using a sturdy polycarbonate shell with a protection level of IP67, which can prevent dust and water from entering and is suitable for outdoor or cleaning areas. Its width is only 22.5 millimeters, which can save space in crowded control panels, and push in terminals can reduce wiring time compared to traditional screw terminals. The LED status indicator of the relay can clearly confirm the operating status and simplify the diagnostic process.

Compatibility is guaranteed through universal voltage support (24-240V AC/DC), eliminating the need to use multiple relay types in different systems. It can be seamlessly integrated with ABB’s PLC and frequency converter, and can also be integrated with third-party devices through standard relay logic. For safety critical applications, the fault safety contact design (normally open/normally closed option) complies with the requirements of ISO 13849-1 for machine safety.

ABB REX010 HESG324426R0001

Technical specifications:
Model ABB REX010 HESG324426R0001
Brand ABB
Type: Industrial Control Relay (DPDT)
Power supply 24-240V AC/DC (universal)
Contact rated 10A @ 250V AC/10A @ 30V DC
Working temperature -40 ° C to+70 ° C
Installation method: 35mm DIN rail (snap on design)
Size 22.5 x 85 x 65 millimeters (width x height x depth)
Weight 0.12 kilograms
Terminal push in type (no tools required)
Certified CE, UL, IEC 60947-5-1, RoHS
Environmental protection level IP67 (closed version)
Service life: 10 million operations (mechanical life), 500000 operations (electrical life)

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ABB REX010 HESG324426R0001

Application areas:
In industrial environments that require precise control of electrical circuits, ABB REX010 HESG324426R0001is a multifunctional control relay that performs excellently. This relay is designed for harsh manufacturing workshops and can operate reliably in automotive assembly lines, managing the power supply for robot welding equipment and conveyor systems. For example, in the paint shop, humidity and high temperature are common, and this relay can resist corrosive environments while maintaining precise switching of the conveyor motor, preventing costly downtime. In food processing plants, it can control the pumps and mixers in the cleaning area, and its IP67 rated protective casing meets strict hygiene standards.

Renewable energy facilities also benefit from ABB REX010 HESG324426R0001. In solar power plants, it manages the power flow between inverters and energy storage systems, ensuring seamless switching under cloudy conditions. Its high load cycle capability (up to 10 million operations) makes it an ideal choice for wind turbines, allowing for thousands of daily switching of the generator excitation circuit without wear and tear. In addition, in commercial buildings, it can control the HVAC system and optimize energy use by precisely managing cooling pumps and air handling units.

ABB REX010 HESG324426R0001

Related products:
REX010 HESG324426R0002- Single pole version (SPDT), suitable for simpler circuit applications.
REX010-24V HESG324426R0003- Low voltage dedicated model, optimized for 24V DC control system.
REX010-IP20 HESG324426R0004- Open Framework Version, suitable for indoor use, is an ideal choice for cost sensitive projects.
REX010-EX HESG324426R0005- Explosion proof model, certified for Zone 1 hazardous area.
REX010-MINI HESG324426R0006- Ultra compact (17.5mm width), suitable for space constrained installations.
REX010-FL HESG324426R0007- Embedded version, suitable for panel integration in the console.
REX010-RF HESG324426R0008- Relay with built-in surge suppression function, suitable for inductive loads.

Installation and maintenance:
Before installation: Ensure that the control voltage matches the rated input voltage of the relay (24-240V AC/DC). For inductive loads such as motors, install damping circuits or varistors between the contacts to suppress voltage spikes. In multi relay panels, leave a 10mm gap between each unit to ensure air circulation, especially in high-temperature environments. Use twisted pair cables for control signal wiring to reduce electromagnetic interference (EMI).
Maintenance: Check the contacts annually for signs of arcing or pitting corrosion; If there is any damage, please replace the relay. Clean the casing with a dry cloth or compressed air every six months, especially in dusty environments. Use a multimeter to test the coil resistance to ensure normal operation, and use a continuity tester to verify contact continuity. For high cycle applications (such as>10 operations per minute), a performance check should be scheduled every six months to monitor contact wear.

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