المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
The following is a detailed analysis of the Schneider RE22R2QEMR تتابع الوقت. Combining the latest search resources and technical documents, we provide you with comprehensive technical parameters, operation guides, and application suggestions:
Core Parameters and Functional Features
- المعلمات الأساسية
– Voltage Range: 24-240V AC/DC (wide voltage compatibility, supporting mainstream global industrial power supplies)
– Contact Configuration: Double Pole Double Throw (2CO), with a maximum load current of 8A (حمل مقاوم)
– Time Range: 0.3 seconds to 30 ثواني (adjustable in ranges, supporting three ranges of 0.3-3s, 1-10s, and 3-30s)
– Accuracy: ±10% (full scale, in compliance with IEC 61812-1 معيار)
– درجة حرارة التشغيل: -20°C to +60°C (adapting to harsh industrial environments)
– طريقة التثبيت: 35mm DIN rail or panel installation, with a depth of 79.5mm and a width of 90mm
– الشهادات: International certifications such as UL, وكالة الفضاء الكندية, سي سي سي, and RoHS.
- Functional Highlights
– Dual Knob Adjustment: The top knob selects the time range (على سبيل المثال, the 10-second range), and the bottom knob sets the percentage (على سبيل المثال, 70% corresponds to 7 ثواني), with intuitive operation.
– Diagnosis and Status Indication:
– Yellow “ر” indicator light: Lights up when the output is activated.
– Test button: Supports manual triggering of the time delay function for quick verification of the circuit.
– حماية السلامة
– Front panel with IP50 protection, resistant to dust and small water droplets.
– Housing with IP40 protection, adapting to industrial environment vibrations (20m/s²) and impacts (15ز).
- Application Scenarios and Typical Cases
- الأتمتة الصناعية
– التحكم في المحركات: Star-delta starting sequence control (على سبيل المثال, RE22R2QEMR supports the star-delta mode).
– Production Line Synchronization: Delayed start and stop of conveyor belts to avoid idling of equipment.
– Equipment Preheating: Delayed start of the cooling fan after the heating element is powered on.
- HVAC Systems
– Fan Control: In air conditioning systems, the fan is turned off with a delay after the compressor stops to prevent condensate water from flowing back.
– Water Pump Protection: Avoid current surges caused by the simultaneous start of multiple water pumps.
- Building and Energy
– Lighting Control: Delayed light-off function in parking lots or warehouses.
– Fire Protection Systems: Delayed start of the smoke exhaust fan after a fire alarm.
ثالثا. Operation and Maintenance Guide
- Time Setting Steps
- Select the time range: Switch the range through the top knob (على سبيل المثال, the 10-second range).
- Fine-tune the percentage: Adjust the specific time with the bottom knob (على سبيل المثال, 70% corresponds to 7 ثواني).
- Verify the setting: Press the test button and observe the yellow indicator light and the action of the contacts.
ملحوظة: There may be an error of ±10% in the actual time delay, and a margin should be reserved according to the requirements of the scenario.
- Wiring Example
– Power Connection: Connect A1 (+) and A2 (-) to the 24-240V AC/DC power supply.
– Load Connection:
– Normally open contacts (15-18, 25-28): Close with a delay.
– Normally closed contacts (15-16, 25-26): Open with a delay.
– Control Signal: Trigger the action of the relay through an external signal (على سبيل المثال, PLC output).
Tip: The circuit diagram is printed on the side of the relay, and the wiring method can be quickly confirmed.
- استكشاف الأخطاء وإصلاحها
– Indicator light not on: Check whether the power voltage and fuse are normal.
– Contacts not operating: Clean the oxide layer on the contacts and check whether the load is overloaded.
– Inaccurate time delay: Confirm whether the knob setting is correct, or replace the relay.
- Alternative Models and Purchase Suggestions
- Alternative Models
| Model | Functional Differences | السيناريوهات القابلة للتطبيق |
| RE22R2AMR | Time delay on power-on, single function | Basic sequence control |
| RE22R2KMR | Time delay on power-off, dual output | Delayed shutdown after equipment stops |
| RE22R2QTMR | Dedicated for star-delta starting, supporting multi-mode switching | Motor step-down starting |
- قنوات الشراء
– Authorized Dealers: Use the “Distributor Search” function on the Schneider official website and enter the region to filter certified suppliers.
– Price Reference: The average market price of RE22R2QEMR is approximately WA: 0086-13811255435 يوان. للمشتريات بالجملة, you can contact the dealer to negotiate the price.
- Precautions and Compliance Requirements
- Model Confirmation: Avoid confusing similar models (على سبيل المثال, RE22R2QGMR is a multi-functional version). It is recommended to use the Schneider product selection tool.
- مواصفات السلامة:
– Ensure that the power is disconnected during installation to avoid electric shock.
– The contact load shall not exceed 8A; خلاف ذلك, an intermediate relay needs to be equipped.
- Document Acquisition:
– Official Manual: Visit the Schneider Support Center and search for “RE22R2QEMR” to download the PDF manual.
Detailed Technical Parameters of Schneider RE22R2QEMR Time Relay
The following is an analysis of the detailed technical parameters of the Schneider RE22R2QEMR time relay. Combining the latest technical documents and industrial application scenarios, we provide you with comprehensive performance indicators and design references:
- Core Electrical Parameters
| Parameter Name | Technical Index | Application Value |
| الجهد المقنن | 24-240V AC/DC (Wide voltage compatibility, 50/60هرتز) | Supports mainstream global industrial power supplies, reducing adaptation costs |
| Power Consumption | تكييف: 3VA (at 240V) | Low-power design, suitable for long-term operation |
| العاصمة: 1.5W (at 240V) | ||
| Contact Type | Double Pole Double Throw (2CO), Cadmium-free Silver Alloy Contacts | Environmentally friendly and with strong arc resistance, suitable for high-reliability scenarios |
| Contact Capacity | Resistive Load: 8A/250V AC | Covers various load types such as motors, heaters, and solenoid valves |
| Inductive Load: 3A/250V AC (Power Factor 0.4) | ||
| – Capacitive Load: 1A/250V AC | ||
| الحياة الكهربائية | Resistive Load: 100,000 العمليات | Strongly related to the load type, and the maintenance cycle needs to be evaluated according to the actual application |
| Inductive Load: 10,000 العمليات | ||
| Capacitive Load: 5,000 العمليات | ||
| الحياة الميكانيكية | 3.2 مليون عملية (B10d standard, اللجنة الانتخابية المستقلة 61812-1) | Long-life design, suitable for scenarios with high-frequency actions |
- Time Control Parameters
| Parameter Name | Technical Index | التفاصيل الفنية |
| Time Range | 0.3 seconds to 30 ثواني (Adjustable in three ranges) | Knob adjustment, supporting fine adjustment at the 0.1-second level (على سبيل المثال, the 10-second range can be accurate to 0.1 ثانية) |
| – 0.3-3 ثواني | ||
| – 1-10 ثواني | ||
| – 3-30 ثواني | ||
| Accuracy | ±10% (Full scale, at 25°C) | Industrial-grade accuracy, meeting most timing control requirements |
| Repeat Accuracy | ±0.5% (Full scale) | High stability, suitable for scenarios with repeated actions (such as production line cycle control) |
| Response Time | ≤100ms (Typical value 50ms) | Fast triggering, suitable for devices with high real-time requirements |
| Reset Time | ≤120ms (After power-off) | Ensures quick restoration to the initial state and avoids misoperation |
ثالثا. Mechanical and Environmental Parameters
| Parameter Nam | Technical Index | Design Advantages |
| أبعاد | 22.5مم (Width) × 79.5mm (Depth) × 90mm (Height) | Compact design, saving control cabinet space |
| وزن | 90ز | Lightweight, facilitating installation and maintenance |
| طريقة التثبيت | 35mm DIN Rail (في 50022) or Panel Installation | Supports multiple fixing methods, adapting to different cabinet structures |
| مستوى الحماية | – Housing: IP40 | Dust-proof and splash-proof, adapting to harsh industrial environments |
| – Front Panel: IP50 | ||
| – Terminals: IP20 | ||
| درجة حرارة التشغيل | 20°C to +60°C (No condensation) | Wide temperature range operation, suitable for extreme climatic conditions |
| درجة حرارة التخزين | -40°C to +70°C | Strong long-term storage stability |
| Vibration/Shock | – Vibration: 20m/s² (10-150هرتز) | Resistant to mechanical stress, suitable for vibrating environments (such as mobile devices) |
| – Shock: 15ز (11آنسة) |
- Safety and Certifications
| Parameter Name | Technical Index | Compliance |
| Insulation Resistance | ≥100MΩ (500V DC) | High insulation performance, ensuring electrical safety |
| Dielectric Strength | 2.5kV AC (1 minute, between input and output) | Complies with IEC 61812-1 معيار |
| EMC Compatibility | – Surge Resistance: 2كيلو فولت (Common Mode) | Industrial-grade anti-interference ability, suitable for complex electromagnetic environments |
| – Radio Frequency Interference Resistance: 10V/m (80MHz-1GHz) | ||
| الشهادات | اللجنة الانتخابية المستقلة 61812-1 (Time Relay Standard) | Global market access, reducing certification costs |
| C257UL 508 (Industrial Control Equipment) | ||
| م,وكالة الفضاء الكندية, سي سي سي, RoHS -EC、وكالة الفضاء الكندية、سي سي سي |
- Functional Features and Design Highlights
- Dual Knob Adjustment
Top Knob: Select the time range (على سبيل المثال, the 10-second range).
Bottom Knob: Fine-tune the percentage (على سبيل المثال, 70% corresponds to 7 ثواني).
Sealed Cover Design: Prevents accidental touching of the adjustment knobs and ensures parameter stability.
- Diagnosis and Testing
LED Indicator Light: The yellow “ر” light indicates the output status.
Test Button: Manually triggers the time delay function to quickly verify the circuit logic.
- Environmental Friendliness and Reliability
Cadmium-free Contacts: Complies with the RoHS directive, reducing environmental pollution.
High MTTFd: Mean Time To Failure on Demand is 353.8 سنين (اللجنة الانتخابية المستقلة 61709 معيار), suitable for critical mission scenarios.
- Parameter Adaptation for Typical Application Scenarios
| Application Field | نوع التحميل | Time Setting Example | Contact Configuration Suggestions |
| Motor Star-Delta Starting | 7.5kW Three-phase Motor | Star Operation for 10 seconds → Delta Operation | Normally closed contacts control the star contactor |
| HVAC Fan Control | 220V AC Fan | Turn off with a 30-second delay after shutdown | Normally open contacts control the power-off delay |
| Lighting System | 100W LED Lamp | Turn off with a 30-second delay after personnel leave | Normally closed contacts are connected in series in the lighting circuit |
| Fire Smoke Exhaust | 24V DC Solenoid Valve | Start immediately after the alarm and last for 10 minutes | Normally open contacts directly drive the solenoid valve |
سابعا. Selection and Maintenance Suggestions
- Comparison of Alternative Models
| Model | Differences | السيناريوهات القابلة للتطبيق |
| RE22R2AMR | Single output, time delay on power-on | Basic timing control |
| RE22R2KMR | Dual output, time delay on power-off | Delayed shutdown after equipment stops |
| RE22R2QTMR | Dedicated for star-delta, supports multi-mode switching | Motor step-down starting |
- دورة الصيانة
Contact Inspection: Clean the oxide layer on the contacts every 6 months to ensure that the contact resistance ≤ 50mΩ.
Parameter Calibration: Verify the time delay accuracy using an oscilloscope every year. Replace it when the error exceeds ±15%.
- استكشاف الأخطاء وإصلاحها
Abnormal Indicator Light: Check the power supply voltage (allowable fluctuation ±15%).
Contact Sticking: Measure the load current and avoid exceeding the 8A peak value.
Time Delay Drift: When the ambient temperature exceeds +50°C, it needs to be derated (لكل زيادة 10 درجات مئوية, the service life is halved).
VIII. Official Resources and Purchase Information
– Technical Documents: The Schneider official website provides the RE22R2QEMR Data Sheet (Document Number: SDOC-RE22R2QEMR-01), which contains detailed circuit diagrams and wiring guidelines.
– قنوات الشراء:
For further verification of parameters or obtaining customized solutions, it is recommended to provide specific application scenarios (such as load type, ambient temperature, installation method, إلخ.) to facilitate the recommendation of the optimal configuration.
