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High Performance Industrial Automation Module DOR21/22-A

DOR21/22-A is a DIN rail mounted screw-type relay socket base designed for Weidmüller DRM series 2-pole changeover contact relays (2CO). It features reliable screw clamp wiring structure, built-in locking clip to prevent relay loosening under vibration, and supports centralized cross-connection for quick potential distribution.

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Technical Specifications 1. Electrical Parameters Model: DOR21/22-A Applicable Relay: DRM series 2CO 8-pin relay Rated Voltage (IEC): 250 V AC/DC Rated Continuous Current: 10 A per contact Dielectric Withstand Voltage: 2500 V AC (1 min) Insulation Resistance: ≥ 10¹⁰ Ω Connection Mode: Screw clamp terminal Applicable Wire Cross-section: 0.5 ~ 2.5 mm² AWG Range: AWG 26 ~ AWG 14 Tightening Torque: 0.6 ~ 0.8 N·m 2. Mechanical Parameters Mounting: Standard 35 mm TS35 DIN rail mounting Overall Dimension: W27.5 mm × H73 mm × D66 mm Net Weight: Approx. 42 g Terminal Quantity: 8 screw terminals Anti-loosening: Equipped with relay retention clip Protection Grade: IP20 (indoor cabinet installation) 3. Material & Environmental Parameters Housing Material: Reinforced PA66 thermoplastic Flame Retardant Grade: UL94 V-0 Operating Temperature: -40 ℃ ~ +70 ℃ Storage Temperature: -40 ℃ ~ +85 ℃ Ambient Humidity: 5% ~ 95% RH, non-condensing Pollution Degree: 2, Overvoltage Category: II Certifications: CE, cULus, RoHS Compliant