销售地区
United States
温湿度控制 / 配件
Back Up Relay Box - ST-BRB-100
Agricultural/Horticultural Control Accessories
- Power Units
- Inlet Controller
- Backup Relay Box
- Breakers
- Manual Speed Control
- RH Sensor
产品介绍
Back up systems automatically opens tunnel curtains or vent doors and starts up selected fans if ever a controller fails. Includes 6 relays total. 5 relays can be used to back up fans or heaters and 1 relay for override of curtains or vent doors. Requires the use of at least one mechanical thermostat (AC1251 or similar). Has inputs for up to 3 thermostats for high or low tempurature override.
