ORNO OR-PRE-433 Electronic Weekly Timer, DIN Rail, 16A/3680W, 16 Programs, 230V

The ORNO OR-PRE-433 is a high-quality electronic weekly timer designed for DIN rail mounting (TH35). It provides precise time control for lighting, heating, ventilation, and other electrical loads in residential, commercial, and industrial applications. With 16 programmable ON/OFF cycles and a minimum setting interval of 1 minute, this timer offers flexibility and reliability. The built-in Ni-MH battery backup ensures program retention for up to 100 hours during power outages. The large LCD display shows time and program status clearly.

Advantages

Easy to install on standard DIN rail (2 modules wide). Intuitive programming with manual override. Energy-saving design with less than 1W standby power consumption. Robust construction with IP20 protection.

Suitable for

• Automatic control of lighting in offices, warehouses, and public buildings
• Time-based switching of heating systems, pumps, and ventilation
• Control of advertising signs, shop windows, and outdoor lighting
• Any application requiring periodic ON/OFF scheduling

Key specifications

• Timer type: Electronic weekly timer
• Mounting: DIN rail (TH35), 2 modules
• Power supply: 230V AC, 50Hz
• Max resistive load: 16A / 3680W
• Max inductive load: 8A / 1840W
• Number of programs: 16 ON/OFF
• Minimum setting interval: 1 minute
• Switching contact: 1 NO (normally open)
• Battery backup: Ni-MH, ~100 hours
• Display: LCD
• Time accuracy: ±1 second/day
• Power consumption: <1W
• Operating temperature: -10°C to +40°C
• Protection rating: IP20
• Time format: 12/24 hour
• Operating modes: Manual (ON/OFF), Automatic

Recommendations

For optimal performance, install the timer in a dry, dust-free environment. Ensure the load does not exceed the rated maximum. The timer is suitable for indoor use only.