TE Connectivity Electromechanical Relays & Contactors ETPS4F8CD

Description

Body Features Enclosure Type : Hermetically Sealed Configuration Features Contact Arrangement : 4 Form C 4PDT-CO Contact Features Contact Material : Silver Cadmium Oxide Terminal Plating : Gold Dimensions Product Height : 25.7 MM [1.012 INCH ] Product Length : 43.6 MM [1.717 INCH ] Product Width : 26 MM [1.024 INCH ] Electrical Characteristics Coil Resistance (OHM) : 550 Coil Voltage Rating (VDC) : 36 Operation/Applicatio n Current Type : DC Other Height Class (Mechanical) : >22 - ≤27 MM [>.866 - ≤1.063 INCH ] Length Class (Mechanical) : >33 - ≤45 MM [>1.299 - ≤1.772 INCH ] Width Class (Mechanical) : >22 - ≤33 MM [>.866 - ≤1.299 INCH ] Product Type Features Relay & Contactor Type : General Purpose Power Relay Usage Conditions Environmental Ambient Temperature (Max) : 125 DEGC [257 DEGF ] Operating Temperature Range : -70 - 125 DEGC [-94 - 257 DEGF ]

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The ETPS4F8CD is a 4-pole double-throw hermetically sealed relay with internal voltage suppression, designed for rail applications. It measures 26.0 x 26.0 x 25.7 mm and weighs 77 grams. The relay operates at a nominal coil voltage of 36 Vdc, with a coil resistance of 550 Ω ±10% at +25°C, and supports switching up to 1.5 A for inductive loads at 36 Vdc. It meets vibration and shock standards of 30g (10-3,000 Hz) and 200g (6 ms), respectively, and has a maximum operate time of 15 ms and release time of 15 ms at +25°C. The hermetic seal meets a leakage rate of 1×10⁻⁸ atm·cm³/s, and the operational temperature range is -70°C to +125°C with a mechanical life of up to 500,000 cycles.

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