Description

Schneider RE22R2AMR | Dual function relay, Harmony Timer Relays, 8A, 2CO, 0.05s…300h, power on delay, 24…240V AC DC

Introduction: In the world of electrical engineering, the Schneider RE22R2AMR dual function relay stands out as a versatile and reliable component. Let’s delve into its features, specifications, applications, and more to understand its significance in various industries.

Features: The Schneider RE22R2AMR is a dual function relay that combines the functionality of a harmony timer relay. This integration makes it a powerful tool for controlling electrical circuits with precision and efficiency.

Specifications:

  • Current Rating: 8A
  • Contacts: 2CO (2 Changeover contacts)
  • Timing Range: 0.05 seconds to 300 hours
  • Voltage Compatibility: 24V to 240V AC/DC
  • Functionality: Power on delay

Applications: This relay finds its applications in diverse fields such as industrial automation, control systems, machinery, HVAC (Heating, Ventilation, and Air Conditioning), and more. Its ability to handle a wide range of voltages and timings makes it suitable for various tasks.

Advantages: One of the primary advantages of the Schneider RE22R2AMR is its dual functionality, offering both timing control and relay switching in a single unit. This not only saves space but also simplifies the wiring and installation process.

How It Works: The relay operates by receiving a control signal, which triggers the timing mechanism based on the set parameters. It then switches the contacts accordingly, either opening or closing the circuit as required.

Installation: Installing the Schneider RE22R2AMR relay follows standard electrical installation procedures. It’s crucial to adhere to safety guidelines and consult the product manual for specific instructions based on the application.

Maintenance: Regular maintenance ensures optimal performance and longevity of the relay. This includes periodic checks for loose connections, cleaning of terminals, and verifying the timing accuracy.

Troubleshooting: Common issues with relays may include malfunctioning due to voltage spikes, wiring faults, or component degradation over time. Troubleshooting involves systematic checks of the electrical system and replacing any faulty components.

Conclusion: The Schneider RE22R2AMR dual function relay is a reliable solution for precise timing control and relay switching tasks. Its robust design, wide voltage compatibility, and ease of installation make it a preferred choice in industrial and commercial setups.

FAQs

  1. What is the difference between a dual function relay and a standard relay? A dual function relay combines timing control and relay switching in one unit, while a standard relay focuses solely on switching electrical circuits.
  2. Can the timing range of the Schneider RE22R2AMR be customized? Yes, the timing range can be adjusted within the specified limits based on the application requirements.
  3. Is the Schneider RE22R2AMR suitable for high-voltage applications? Yes, it is compatible with voltages ranging from 24V to 240V AC/DC, making it suitable for a wide range of applications.
  4. What are some common applications of harmony timer relays? Harmony timer relays like the Schneider RE22R2AMR are commonly used in automation systems, motor controls, lighting controls, and HVAC systems.
  5. How can I ensure the safety of electrical installations involving relays? It’s essential to follow safety guidelines, use appropriate protective equipment, and consult with qualified professionals for complex installations.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product Harmony Timer Relays
Discrete output type Relay
Product or component type Modular timing relay
Device short name RE22
Nominal output current 8 A
Complementary
Contacts type and composition 1 C/O timed contact, cadmium free 1 C/O timed or instantaneous contact, cadmium free
Time delay type Power on-delay
Time delay range 0.05...1 s 0.3...3 s 3...30 h 30...300 min 10...100 s 30...300 s 3...30 s 30...300 h 1...10 s 3...30 min
Control type Rotary knob Diagnostic button Potentiometer external
[Us] rated supply voltage 24...240 V AC/DC 50/60 Hz
Release input voltage <= 2.4 V
Voltage range 0.85...1.1 Us
Supply frequency 50...60 Hz +/- 5 %
Connections - terminals Screw terminals, 1 x 0.5...1 x 3.3 mm² (AWG 20...AWG 12) solid without cable end Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end
Tightening torque 0.6…1 N.m conforming to IEC 60947-1
Housing material Self-extinguishing
Repeat accuracy +/- 0.5 % conforming to IEC 61812-1
Temperature drift +/- 0.05 %/°C
Voltage drift +/- 0.2 %/V
Setting accuracy of time delay +/- 10 % of full scale at 25 °C conforming to IEC 61812-1
Time delay type Power on-delay - A- Power on-delay relay Power on-delay - Aw- Power on-delay relay w/ retrigger/restart
Control signal pulse width 100 ms with load in parallel 30 ms
Insulation resistance 100 MOhm at 500 V DC conforming to IEC 60664-1
Recovery time 120 ms on de-energisation
Immunity to microbreaks 10 ms
Power consumption in VA 3 VA at 240 V AC
Power consumption in W 1.5 W at 240 V DC
Switching capacity in VA 2000 VA
Minimum switching current 10 mA at 5 V DC
Maximum switching current 8 A
Maximum switching voltage 250 V AC
Electrical durability 100000 cycles, 8 A at 250 V, AC-1 100000 cycles, 2 A at 24 V, DC-1
Mechanical durability 10000000 cycles
Rated impulse withstand voltage 5 kV for 1.2…50 µs conforming to IEC 60664-1
Power on delay 100 ms
Creepage distance 4 kV/3 conforming to IEC 60664-1
Overvoltage category III conforming to IEC 60664-1
Safety reliability data B10d = 200000 MTTFd = 216.8 years
Mounting position Any position
Mounting support 35 mm DIN rail conforming to IEC 60715
Status LED LED backlight green (steady) for dial pointer indication LED yellow (steady) for output relay energised LED yellow (fast flashing) for timing in progress and output relay de-energised LED yellow (slow flashing) for timing in progress and output relay energised
Function available A- Power on-delay relay-2 C/O Aw- Power on-delay relay w/ retrigger/restart-2 C/O
Width 22.5 mm
Net weight 0.105 kg
Control type With test button
Number of functions 2
Environment
Dielectric strength 2.5 kV for 1 mA/1 minute at 50 Hz between relay output and power supply with basic insulation conforming to IEC 61812-1
Standards UL 508 IEC 61812-1
Directives 2004/108/EC - electromagnetic compatibility 2006/95/EC - low voltage directive
Product certifications CE CCC GL UL RCM EAC CSA
Ambient air temperature for operation -20…60 °C
Ambient air temperature for storage -40…70 °C
IP degree of protection IP40 housing: conforming to IEC 60529 IP20 terminals: conforming to IEC 60529 IP50 front panel: conforming to IEC 60529
Pollution degree 3 conforming to IEC 60664-1
Vibration resistance 20 m/s² (f= 10…150 Hz) conforming to IEC 60068-2-6
Shock resistance 15 gn not operating for 11 ms conforming to IEC 60068-2-27 5 gn in operation for 11 ms conforming to IEC 60068-2-27
Relative humidity 95 % at 25…55 °C
Electromagnetic compatibility Fast transients immunity test - test level: 1 kV level 3 (capacitive connecting clip) conforming to IEC 61000-4-4 Surge immunity test - test level: 1 kV level 3 (differential mode) conforming to IEC 61000-4-5 Surge immunity test - test level: 2 kV level 3 (common mode) conforming to IEC 61000-4-5 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 (80 MHz...1 GHz) conforming to IEC 61000-4-3 Conducted RF disturbances - test level: 10 V level 3 (0.15...80 MHz) conforming to IEC 61000-4-6 Fast transient bursts - test level: 2 kV level 3 (direct contact) conforming to IEC 61000-4-4 Immunity to microbreaks and voltage drops - test level: 30 % (500 ms) conforming to IEC 61000-4-11 Immunity to microbreaks and voltage drops - test level: 100 % (20 ms) conforming to IEC 61000-4-11
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 2.6 cm
Package 1 Width 8.2 cm
Package 1 Length 9.5 cm
Package 1 Weight 114.0 g
Unit Type of Package 2 S02
Number of Units in Package 2 40
Package 2 Height 15.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 5.04 kg
Unit Type of Package 3 P06
Number of Units in Package 3 640
Package 3 Height 75.0 cm
Package 3 Width 60.0 cm
Package 3 Length 80.0 cm
Package 3 Weight 72.96 kg

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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