Schneider RE22R2QEMR | Modular timing relay, 8 A, 0.3s…30s, 2 CO, star delta, 24 V DC / 24…240 V AC/DC
Description
Schneider RE22R2QEMR | Modular timing relay, 8 A, 0.3s…30s, 2 CO, star delta, 24 V DC / 24…240 V AC/DC
Introduction In the world of electrical engineering and automation, timing relays play a crucial role in controlling processes with precision. One such notable product is the Schneider RE22R2QEMR, a modular timing relay known for its reliability and versatility. This article delves into its features, applications, installation, advantages, and more.
What is a Schneider RE22R2QEMR? The Schneider RE22R2QEMR is a modular timing relay designed to provide accurate timing functions in various industrial applications. It is built with advanced features to ensure precise control over timing intervals, making it a preferred choice for automation systems.
Features and Specifications
- Timing Range: 0.3 seconds to 30 seconds
- Contact Configuration: 2 CO (Changeover) contacts
- Voltage Compatibility: Operates on 24 V DC and 24-240 V AC/DC
- Modular Design: Allows for easy integration into control panels
- Star Delta Functionality: Suitable for motor control applications
Applications This relay finds wide applications in industries such as manufacturing, automotive, and machinery. It is commonly used for motor control, time-delayed switching, and sequential processes where precise timing is critical.
How Does it Work? The Schneider RE22R2QEMR operates by receiving input signals and activating its internal timing mechanism. It accurately counts time intervals and triggers output signals based on the programmed settings, ensuring seamless control of connected devices.
Installation Guide Installing the Schneider RE22R2QEMR involves mounting it securely in a control panel, connecting input/output wires as per the wiring diagram provided in the user manual, and configuring timing parameters through its user-friendly interface.
Advantages
- Precise timing control
- Modular and compact design
- Versatile voltage compatibility
- Reliable performance in industrial environments
Disadvantages
- May require technical expertise for setup and configuration
- Initial cost investment compared to basic relays
Comparison with Similar Products Compared to other timing relays in its class, the Schneider RE22R2QEMR stands out for its advanced features, robust construction, and wide voltage range compatibility, making it a preferred choice for demanding applications.
Customer Reviews Users appreciate the Schneider RE22R2QEMR for its reliability, accurate timing functions, and durability in harsh industrial settings. Positive feedback often highlights its ease of integration and consistent performance.
Maintenance Tips To ensure optimal performance, regular inspection of connections, updating firmware if available, and following recommended maintenance schedules are essential for prolonging the lifespan of the Schneider RE22R2QEMR.
Conclusion The Schneider RE22R2QEMR modular timing relay offers precise timing control, versatile applications, and reliable performance, making it a valuable asset in industrial automation and control systems.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| 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 |
| Contacts type and composition | 2 C/O timed contact, cadmium free |
|---|---|
| Time delay type | Star-delta |
| Time delay range | 0.3...30 s |
| Control type | Rotary knob Diagnostic button |
| [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 | Star-delta - Qe-Star-delta relay (1 NC + 1 NO outputs with split common) |
| 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 = 320000 MTTFd = 353.8 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 | Qe-Star-delta relay (1 NC + 1 NO outputs with split common)-2 C/O |
| Width | 22.5 mm |
| Net weight | 0.09 kg |
| Control type | With test button |
| Number of functions | 1 |
| 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 | IEC 61812-1 UL 508 |
| Directives | 2006/95/EC - low voltage directive 2004/108/EC - electromagnetic compatibility |
| Product certifications | CE CSA GL EAC UL RCM CCC |
| 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 |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 2.5 cm |
| Package 1 Width | 8.3 cm |
| Package 1 Length | 9.6 cm |
| Package 1 Weight | 100.0 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 | 4.388 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 640 |
| Package 3 Height | 80.0 cm |
| Package 3 Width | 80.0 cm |
| Package 3 Length | 60.0 cm |
| Package 3 Weight | 73.38 kg |
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