The FM1D50 Series is a great value electronic time-based control solution for ventilating, heating, cooling, lighting or other electrical loads in commercial and industrial applications. These one-channel time switches are programmable for 24-hour, 7-day or Cycle timer schedules. The FM1D50 Series is intended for either panel, surface, flush or DIN rail mounting. Flush and surface/DIN rail (A & E models) are completely enclosed in a plastic housing and include a terminal cover, dust cover and subbase for installation and hard wiring. Features: 24-Hour, 7-day or cycle timer applications. 50 Setpoint programs. Easy to program. Manual override with status indication. Self-recharging battery with backup protection up to 2500-hours. LCD display. A models come with clear dust cover. Cycle timer function. Specifications: Manufacturer: Intermatic Manufacturer Part Number: FM1D50A-LV Product Type: Electronic Timer Material: Noryl Voltage Rating: 24 VAC, 12/24 VDC Current Rating: 15 A Voltage Selection Type: Voltage Specific Operation Mode: 24 hour, 7-day, Cycle General Purpose (NO) Voltage Rating: 15 A, 277 VAC Electronic Ballast (NO) Voltage Rating: 4.9 A, 120 VAC Magnetic Ballast (NO) Voltage Rating: 8 A, 277 VAC General Purpose (NC) Voltage Rating: 15 A, 277 VAC Magnetic Ballast (NC) Voltage Rating: 8 A, 120 VAC Motor Load Ratings NO Ranges: 1/2 HP @ 120 VAC; 10 FLA, 60 LRA @ 250 VAC; 1 HP @ 250 VAC Motor Load Ratings NC Ranges: 1/2 HP @ 120/240 VAC; 10 FLA, 60 LRA @ 250 VAC Maximum Power Consumption: 1.4 W No. of Circuit: 1 Operating Temperature Range: 5 to 131 Degrees F Operating Humidity: 0-95% Relative Humidity, Non-condensing Switch Type: SPDT Minimum Wire Size: #24 AWG Maximum Wire Size: #10 AWG Wiring Option: Screw terminals for #24 to #10 AWG wire (A models) Mounting: DIN Rail, Surface Dimensions: 3.35" x 4.9" x 3.45" Weight: 0.55 lb.