Merlin Gerin – 15850 – 1‑Channel Digital Programmable Time Switch 16 A

The Merlin Gerin 15850 is a 1‑channel digital weekly programmable time switch, rated at 16 A for 230–240 VAC. It features lithium-battery backup to retain schedules, a backlit LCD, and supports automatic daylight-saving time changes—ideal for automating lighting, HVAC, pumps, and other building systems.

Key Features:

• Manufacturer: Merlin Gerin (Schneider Electric)  

• MPN: 15850

• Type: Digital time switch (Acti9 IHP, 1 channel)  

• Voltage: 230–240 VAC ±10%, 50/60 Hz  

• Current Rating: 16 A resistive (10 A at pf 0.6)  

• Backup: Internal lithium battery (approx. 6-year life)  

• Accuracy: ±1 s/day at 20 °C  

• Switching Capacity: Up to 56 on/off operations per week; 1‑minute minimum interval  

• Display: Backlit LCD with daylight-saving auto-adjust  

• Mounting: DIN-rail, width ≈45 mm (5 modules)  

• Operating Temperature: –10 °C to +50 °C  

• Dimensions: ~5 modules × 9 mm each (45 mm total width)