In the realm of electrical engineering, reliability and efficiency are paramount. The Schneider RM22UA32MR Relay stands as a testament to technological advancement in this field. But what exactly is this relay, and why is it so significant?
Relays play a crucial role in electrical systems by acting as switches that control the flow of current. They are indispensable components in various applications, from industrial automation to building management systems. The RM22UA32MR Relay, manufactured by Schneider Electric, is designed to offer superior performance and reliability in diverse settings.
Features and Specifications
Overview of the RM22UA32MR Relay
The RM22UA32MR Relay is a compact and versatile device that facilitates efficient control of electrical circuits. It features a DIN rail mounting design, making it suitable for installation in control panels and electrical cabinets. With its modular construction, the relay offers flexibility in configuration, allowing users to adapt it to specific requirements.
Key Features
Modular design: Allows for easy customization and expansion of the relay system.
LED status indicators: Provide visual feedback on relay operation and status.
Wide input voltage range: Compatible with various power supply configurations.
High switching capacity: Capable of handling heavy loads with ease.
Built-in surge protection: Safeguards connected devices from voltage spikes and transient surges.
Technical Specifications
Rated voltage: 24 VDC
Rated current: 6A
Contact configuration: SPDT (Single Pole Double Throw)
Operating temperature: -25°C to +55°C
Degree of protection: IP20 (Indoor use only)
Applications
The versatility of the RM22UA32MR Relay makes it suitable for a wide range of applications, including:
Industrial automation: Used in manufacturing plants and production facilities to control machinery and equipment.
Building management systems: Integrated into HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
Home automation: Employed in smart home setups for controlling appliances, lighting, and security systems.
Advantages
Reliability
Schneider Electric is renowned for its commitment to quality and reliability. The RM22UA32MR Relay undergoes rigorous testing to ensure optimal performance and durability in demanding environments. Its robust construction and advanced features minimize the risk of malfunctions, providing peace of mind to users.
Versatility
With its modular design and flexible configuration options, the RM22UA32MR Relay adapts to diverse applications with ease. Whether it’s a simple ON/OFF control or complex sequencing tasks, this relay offers unparalleled versatility, making it a preferred choice among engineers and system integrators.
Ease of Installation
Installing the RM22UA32MR Relay is a straightforward process thanks to its DIN rail mounting design and user-friendly interface. The relay comes with clear installation instructions, allowing even novice users to set it up quickly and efficiently. Additionally, its compact footprint saves valuable space in control panels and electrical enclosures.
Installation Guide
Pre-installation Considerations
Before installing the RM22UA32MR Relay, ensure that:
The power supply is disconnected to prevent electrical hazards.
The mounting location is suitable and provides adequate ventilation.
The wiring is properly sized and secured to prevent overheating and short circuits.
Step-by-step Installation Process
Mount the relay on a DIN rail using appropriate mounting clips.
Connect the control circuit wires to the terminal blocks on the relay.
Verify the polarity and tightness of the connections.
Apply power to the relay and check for proper operation.
Secure the wiring and close the enclosure to complete the installation.
Testing and Troubleshooting Tips
Use a multimeter to verify voltage and continuity across the relay contacts.
Check for loose connections or damaged wiring.
Refer to the user manual for troubleshooting guidance in case of issues.
Maintenance
To ensure optimal performance and longevity of the RM22UA32MR Relay, follow these maintenance guidelines:
Conduct regular visual inspections to check for signs of wear or damage.
Clean the relay periodically to remove dust and debris that may affect operation.
Test the relay’s functionality at regular intervals to detect any potential issues early on.
Undervoltage and overvoltage in window mode Overvoltage or undervoltage detection
time delay
Adjustable 0.1…30 s, +/- 10 % of the full scale value Tt- time delay upon fault
Switching capacity in VA
2000 VA
Measurement range
1…100 V AC/DC
Contacts type and composition
2 C/O
Complementary
Reset time
1500 ms at maximum voltage
Maximum switching voltage
250 V AC
Minimum switching current
10 mA at 5 V DC
Maximum switching current
8 A AC
Supply voltage limits
20.4…264 V AC/DC
Power consumption in VA
3.5 VA AC
Maximum power consumption in W
1.5 W DC
Immunity to microbreaks
10 ms
Resistance across terminals
110 kOhm at E2-M terminals 22 kOhm at E1-M terminals 220 kOhm at E3-M terminals
Output contacts
2 C/O
Nominal output current
8 A
Hysteresis
3 % fixed of full scale for window mode 5…50 % adjustable of threshold setting
delay at power up
600 ms
Maximum measuring cycle
100 ms measurement cycle as true rms value
Repeat accuracy
+/- 0.5 % for input and measurement circuit +/- 2 % for time delay
Measurement error
< 1 % over the whole range with voltage variation 0.05 %/°C with temperature variation
Response time
<= 500 ms
Insulation resistance
> 100 MOhm at 500 V DC
Overvoltage category
III conforming to IEC 60664-1
Insulation
Between supply and measurement
Connections – terminals
Screw terminals, 2 x 0.5…2 x 2.5 mm² (AWG 20…AWG 14) solid without cable end Screw terminals, 2 x 0.2…2 x 1.5 mm² (AWG 24…AWG 16) flexible with cable end Screw terminals, 1 x 0.5…1 x 3.3 mm² (AWG 20…AWG 12) solid without cable end Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 24…AWG 14) flexible with cable end
Tightening torque
0.6…1 N.m conforming to IEC 60947-1
Housing material
Self-extinguishing plastic
Mounting support
35 mm DIN rail conforming to IEC 60715
Electrical durability
100000 cycles
Mechanical durability
10000000 cycles
Utilisation category
AC-15 conforming to IEC 60947-5-1 DC-13 conforming to IEC 60947-5-1 AC-1 conforming to IEC 60947-4-1 DC-1 conforming to IEC 60947-4-1
[Un] rated nominal voltage
24…240 V AC/DC 50/60 Hz, non self-powered
Safety reliability data
B10d = 290000 MTTFd = 308.2 years
Contacts material
Cadmium free
Control type
With test button
Width
22.5 mm
Net weight
0.11 kg
Environment
Electromagnetic compatibility
Immunity for residential, commercial and light-industrial environments conforming to IEC 61000-6-1 Immunity for industrial environments conforming to IEC 61000-6-2 Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3 Emission standard for industrial environments conforming to IEC 61000-6-4 Electrostatic discharge – test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2 Electrostatic discharge – test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2 Radiated radio-frequency electromagnetic field immunity test – test level: 10 V/m level 3 conforming to IEC 61000-4-3 Electrical fast transient/burst immunity test – test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4 Electrical fast transient/burst immunity test – test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4 Surge immunity test – test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5 Surge immunity test – test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5 Conducted and radiated emissions class B group 1 conforming to CISPR 11 Conducted and radiated emissions class B conforming to CISPR 22
Ambient air temperature for operation
-20…50 °C at 60 Hz -20…60 °C at 50 Hz
Standards
IEC 60255-1
Product certifications
GL UL CCC EAC CE RCM CSA
Ambient air temperature for storage
-40…70 °C
Relative humidity
93…97 % at 25…55 °C conforming to IEC 60068-2-30
Vibration resistance
0.075 mm (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6 1 gn (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6 0.035 mm (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6 0.5 gn (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6
Shock resistance
15 gn (duration = 11 ms) for not in operation conforming to IEC 60068-2-27 5 gn (duration = 11 ms) for in operation conforming to IEC 60068-2-27
IP degree of protection
IP20 (terminals) conforming to IEC 60529 IP40 (housing) conforming to IEC 60529 IP50 (front panel) conforming to IEC 60529
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