This Harmony RSB interfacing plug-in relay has a control coil voltage of 24V DC and has 1 changeover contact single pole double throw with a rating of 12A. It helps to reduce the size of enclosures and increases machine reliability, you can mount nearly everywhere. Plug in type allows easy installation and maintenance. The product is IP40 and has a transparent cover allowing operator to visually inspect the status of contacts. Specifications Main Range of produc Harmony Electromechanical Relays Series name Interface relay Product or component type Plug-in relay Device short name RSB Contacts type and composition 1 C/O contact operation Standard [Uc] control circuit voltage 120 V AC 50/60 Hz [Ithe] conventional enclosed thermal current 16 A -40…104 °F (-40…40 °C) Status LED Without control type Without push-button Complementary Shape of pin Flat (PCB type) average coil resistance 8360 Ohm AC 20 °C +/- 10 % [Ue] rated operational voltage 96...180 V AC 50/60 Hz [Ui] rated insulation voltage 400 V IEC 60947 [Uimp] rated impulse withstand voltage 3.6 kV IEC 61000-4-5 Contacts material Silver alloy (AgNi) [Ie] rated operational current 16 A AC-1/DC-1) NO IEC 8 A AC-1/DC-1) NC IEC Minimum switching current 10 mA Maximum switching voltage 300 V DC IEC minimum switching voltage 12 V Maximum switching capacity 4000 VA/448 W resistive rated load 16 A 250 V AC 16 A 28 V DC Minimum switching capacity 120 mW 10 mA, 12 V Operating rate <= 600 cycles/hour under load <= 18000 cycles/hour no-load Mechanical durability 10000000 cycles Electrical durability 100000 cycles, 16 A at 250 V, AC-1 NO 100000 cycles, 8 A at 250 V, AC-1 NC Operating time 20 ms operating 20 ms reset average coil consumption 0.75 VA AC Drop-out voltage threshold >= 0.1 Uc DC Safety reliability data B10d = 100000 Protection category RT I Test levels Level A group mounting Operating position Any position Net weight 0.03 lb(US) (0.014 kg) Sale per indivisible quantity 10 device presentation Complete product Environment Dielectric strength 1000 V AC between contacts 2500 V AC between poles 5000 V AC between coil and contact Standards CSA C22.2 No 14 UL 508 IEC 61810-1 product certifications UL CSA EAC Ambient air temperature for storage -40…185 °F (-40…85 °C) Vibration resistance +/- 1 mm 10…55 Hz)IEC 60068-2-6 IP degree of protection IP40 IEC 60529 Shock resistance 10 gn 11 ms) not operating IEC 60068-2-27 5 gn 11 ms) in operation IEC 60068-2-27 Ambient air temperature for operation -40…185 °F (-40…85 °C) DC)