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ABB 2CSM222531R1000 Digital Time Switch 

1. Key Parameters

• Product Model: 2CSM222531R1000
• Order Code: 2CSM222531R1000
• Product Series: ABB Digital Time Switch Series (7-day Programmable, LCD Display)
• Core Function: Controls electrical loads via customizable time schedules; supports daily/weekly cycles, holiday settings, and manual override; maintains real-time clock with battery backup; ensures accurate time-triggered switching for energy conservation and process automation
• Electrical Specifications:

  Parameter	Details	Performance Metrics
  Power Supply	AC 230V ±10% (50Hz/60Hz auto-adaptive); Power consumption: ≤3VA	Compatible with global low-voltage grids
  Output Capacity	16A (resistive load, AC 250V); 8A (inductive load, AC 250V, cosφ=0.6)	Directly controls medium-power loads (e.g., 4kW lighting, 2.5kW pumps)
  Timing Accuracy	±1 minute/month (at 25℃); Temperature drift: ≤±3 seconds/℃	Ensures reliable schedule execution without cumulative errors
  Program Capacity	50 on/off events; 8 independent weekly programs; 10 holiday settings	Adapts to complex scenarios (e.g., weekday/weekend splits, seasonal adjustments)
  Time Setting Range	- Daily/weekly cyclic scheduling - Minute-level resolution (1-minute increments) - Countdown timer: 1 minute ~ 168 hours (7 days) - Astronomical clock: Auto-adjusts based on sunrise/sunset (configurable by latitude/longitude)	Covers both fixed-time and environment-adaptive control needs
  Backup Power	CR2032 lithium battery (3V); Backup duration: ≥3 years (during power outage)	Preserves clock and programs to avoid reconfiguration after grid failures

• Mechanical Specifications:
  • Housing Material: Flame-retardant polycarbonate (UL94 V-0); Front panel protection rating: IP40
  • Dimensions (W×H×D): 72mm × 72mm × 55mm (fits standard DIN 43880 panel cutout)
  • Mounting: Panel-mounted (required cutout size: 67mm × 67mm); Secured with 4 M3 screws (torque: 0.8 N·m)
  • Weight: Approximately 180g
  • User Interface: 128×64 pixel backlit LCD display; 4 tactile navigation buttons; 1 manual override switch
  • LED Indicators: Green (output active); Red (program error/low battery)
• Environmental Ratings:
  • Operating Temperature Range: -5℃~+55℃ (23℉~131℉)
  • Storage Temperature Range: -20℃~+70℃ (-4℉~158℉)
  • Humidity Tolerance: ≤95% RH (non-condensing, 40℃; suitable for damp areas like basements or workshops)
  • Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6; no program loss or clock drift)
  • Shock Resistance: 15g acceleration (11ms duration, IEC 60068-2-27; maintains structural and functional integrity)
• Compliance Standards: IEC 61038 (time switches), EN 61000-6-2 (EMC immunity), UL 60730-1 (household and similar electrical appliances), CE, RoHS

2. Key Features

• Flexible Scheduling Capabilities: Supports 50 on/off events, 8 weekly programs, and 10 holiday settings—accommodates complex needs (e.g., office lighting set to 8:00~18:00 on weekdays, 9:00~12:00 on weekends, and fully off on public holidays), cutting unnecessary energy consumption by up to 30%.
• Astronomical Clock Function: Automatically adjusts switching times based on sunrise and sunset (calibrated via latitude/longitude input)—ideal for outdoor lighting (e.g., parking lot floodlights, building facades) to avoid premature activation in summer or delayed shutdown in winter.
• High Timing Precision: ±1 minute/month drift ensures consistent schedule execution, critical for time-sensitive applications like factory pre-heating (where 5-minute delays could disrupt production start times) or restaurant kitchen equipment activation.
• Long-Lasting Battery Backup: A 3-year CR2032 lithium battery maintains the clock and stored programs during power outages—eliminates the need for re-programming after grid failures, ensuring uninterrupted operation.
• User-Friendly Operation: The backlit LCD display (visible in low light) and intuitive 4-button navigation simplify programming (no specialized training required); multi-language support (English, German, French, Spanish, etc.) caters to global users.
• Manual Override Function: A dedicated physical switch allows temporary bypass of programmed schedules—convenient for maintenance (e.g., keeping office lights on during evening repairs) or unexpected needs, without altering stored programs.
• Wide Load Compatibility: 16A resistive/8A inductive output capacity directly controls medium-power loads (e.g., 4kW LED lighting arrays, 2.5kW water pumps) without requiring external contactors—reduces system complexity and installation costs.

3. Application Fields

• Commercial & Industrial Lighting Control: Primary application—automated lighting management:
  • Office Buildings: Controls fluorescent or LED lighting systems; programs "working hours" (8:00~18:00) for weekdays and "energy-saving mode" (only essential lights on) for weekends, reducing lighting energy use by 25%~40%.
  • Warehouses & Parking Lots: Uses the astronomical clock to activate outdoor LED floodlights 30 minutes before sunset and deactivate 30 minutes after sunrise; 8A inductive capacity handles lighting drivers without triggering false shutdowns.
• HVAC & Energy Optimization: Regulates heating, ventilation, and air conditioning systems:
  • Shopping Malls: Adjusts air conditioning operation—starts 1 hour before opening (9:00) and stops 1 hour after closing (22:00); holiday settings disable HVAC on public holidays, avoiding wasted energy on empty spaces.
  • Factories: Pre-heats industrial ovens or boilers 30 minutes before shift start (7:30) and shuts down heating after shift end (17:30), ensuring equipment readiness while minimizing idle energy consumption.
• Residential & Infrastructure Auxiliaries: Automates communal and public services:
  • Residential Complexes: Controls corridor, stairwell, and courtyard lighting—activates "night mode" (dimmed brightness) from 22:00~6:00 and full brightness during daytime; manual override lets residents extend lighting as needed.
  • Water Supply Systems: Triggers booster pumps for 2-hour intervals (6:00~8:00 and 18:00~20:00) during peak water usage, avoiding continuous pump operation and reducing mechanical wear.
• Agricultural & Horticultural Systems: Manages cultivation environments:
  • Greenhouses: Controls grow lights (12-hour on/off cycles for photosynthesis) and irrigation pumps (scheduled 30-minute runs twice daily); adjustable programs adapt to different crop growth stages (e.g., longer light hours for seedling development).

4. Precautions

• Load Compatibility Check: Do not exceed the 16A resistive or 8A inductive load limits—overloading will damage internal relays, leading to stuck outputs (e.g., lights remaining on). For loads >16A (e.g., 10kW industrial heaters), use an external contactor triggered by the time switch.
• Inductive Load Considerations: For inductive loads (e.g., motors, transformers), strictly derate to 8A maximum—high inrush current (common during startup) can weld relay contacts. Install RC snubber circuits (for AC loads) to suppress inrush and extend contact life.
• Electrical Safety:
  • Power Disconnection: Always turn off the AC 230V supply before wiring or removing the time switch—exposed terminals carry live voltage, posing electric shock risks. Use insulated tools during installation.
  • Wiring Polarity: While the device is non-polarized for input power, ensure load wiring correctly connects to "LINE" and "LOAD" terminals—reverse wiring will not damage the device but may cause confusion during maintenance.
• Programming & Maintenance:
  • Battery Replacement: Replace the CR2032 battery immediately when the red "low battery" LED illuminates—delays beyond 30 days may cause program and clock loss. Use only high-quality, ABB-recommended batteries (3V, ≥220mAh).
  • Astronomical Clock Calibration: Input accurate latitude and longitude during initial setup—incorrect coordinates (e.g., using a city 100km away) will lead to sunrise/sunset timing errors (±30 minutes), reducing energy-saving effectiveness.
  • Program Backup: Record critical schedules manually or take photos of the LCD display—prevents data loss if the battery fails unexpectedly or a factory reset is accidentally triggered.
• Environmental Protection:
  • Temperature & Humidity Limits: Avoid operating above +55℃ or in condensing humidity—high temperatures shorten battery life (reducing backup to <2 years), while condensation causes terminal corrosion, leading to intermittent switching.
  • Dust & Vibration Protection: Install the device in a dust-tight control panel (IP54 or higher) in industrial environments; use vibration-damping gaskets near machinery (e.g., pumps, conveyors)—dust accumulation blocks vents, and excessive vibration disrupts button functionality.
• Routine Checks:
  • Quarterly Function Tests: Manually trigger a programmed on/off event to verify switching performance—intermittent operation indicates relay wear or contact oxidation, which can be resolved by cleaning contacts with fine sandpaper (power off first).
  • Annual Clock Calibration: Compare the time switch clock with a reference (e.g., GPS or NTP server)—drift beyond ±5 minutes indicates internal oscillator degradation, requiring device replacement to maintain schedule accuracy

The structure and details of the product：

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