ORNO OR-PRE-414 Digital Time Switch, DIN Rail, 230V AC, 16A, 1 Channel

The ORNO OR-PRE-414 is a digital time switch designed for DIN rail mounting, ideal for automating lighting, heating, ventilation, and other electrical loads in residential and commercial installations. With 16 programmable ON/OFF cycles and a minimum switching interval of 1 minute, it offers precise scheduling for daily, weekly, pulse, or random modes. The device features a clear LCD display, manual override, and automatic daylight saving time adjustment. Its built-in Ni-MH battery backup preserves settings for up to 150 hours (3 years) during power outages.

Advantages

Easy DIN rail installation (1 module width), intuitive programming, reliable 16A resistive switching capacity, and low power consumption (<1W). The battery backup ensures settings are retained without frequent battery changes.

Suitable for

• Automating indoor and outdoor lighting
• Controlling heating, ventilation, and air conditioning systems
• Managing pumps, fans, and other electrical devices
• Energy-saving scheduling in commercial buildings

Key specifications

• Type: Digital Time Switch
• Mounting: DIN Rail (1 module)
• Supply Voltage: 230V AC, 50/60Hz
• Max. Switching Current (Resistive): 16 A
• Max. Switching Power (Resistive): 3680 W
• Number of Programs: 16 ON/OFF
• Minimum Switching Interval: 1 minute
• Operating Modes: Daily, Weekly, Pulse, Random
• Display: LCD
• Battery Backup: Ni-MH rechargeable, ~150 hours / 3 years
• Time Accuracy: +/- 1 second/day
• Power Consumption: < 1 W
• Operating Temperature: -10°C to +40°C
• Protection Rating: IP20
• Output: 1 x SPDT contact
• Manual Override: Yes
• Daylight Saving Time: Automatic
• Number of Channels: 1

Recommendations

For optimal performance, install in a dry indoor environment within the specified temperature range. Ensure the load does not exceed the rated switching capacity. Suitable for use with resistive loads; for inductive loads, consider derating.