Manufacturer Essex Electronics Model ERM-3 Dimensions ERM-3 (5-1/2 x 7-1/2 x 2-1/2) Operating Temperature – 40F to + 160F (- 40C to + 70C) Output Mode ERM-3: 3 SPDT Relays rated at 6 amps (120VAC) Number of Users Up to 500 Voltage Input 12 or 24 VAC/VDC Warranty Limited Lifetime Warranty Weight 2.0000