Switch Type: WD2-BP2: SPST NO SSR; WD2-LP: SPDT relay; WD2-LP-D: DPDT relay.
Electrical Rating: WD2-BP2: Pilot duty rating 250 mA @ 24 VDC maximum; WD2-LP: 1 A @ 24 VAC/DC, 1 A @ 120 VAC.
Audible Alarm: BP Models: 10 seconds on, 30 seconds off. LP Models: Continually on. None on D2 model.
LED Alarm: BP Models: 10 seconds off, 30 seconds on. Two red LED’s; LP Models: Continually on. Eight red LED’s.
Power Requirements: BP models: 3 V CR2450 lithium metal battery, installed non-functional, user replaceable; LP Models; 11 to 27 VAC/DC.
Battery Life: 2 yrs. (approx.)
Power Consumption: BP Models: 0.9 mA steady state non-alarm, 3.0 mA during audible alarm, 2.4 mA during LED alarm; LP Models: DC power: 25 mA typical and 75 mA maximum, AC power: 30 mA typical and 85 mA maximum.
Electrical Connections: PVC insulated 22 AWG cable. BP Models: 0.8 ft (.25 m); LP Models: 4.8 ft (1.5 m).
Enclosure: ABS and acrylic.
Temperature Limits: 32 to 122�F (0 to 50�C).
Weight: WD2-BP2: 3.5 oz; WD2-LP: 4.3 oz; WD2-LP-D: 5.6 oz.