TRANSTECTR~24V DC Surge Prot DRDC 24 Bidirectional Silicon SPD with Hazardous Location Certification. Ultra-compact, Class I, Div II, silicon technology for 24 Vdc surge protection applications. DIN Rail mount. FM US/Canada Class I Div 2. ATEX certification. UL 497B, CE. MCOV 32 Vdc. 2 pair 4 wire 28-12 AWG screw. lWeight (kg) 0.1 kg Weight (lb) 0.2 Dimensions (cm) 10.2 x 1.3 x 10.2 Dimensions (inches) 4.0 x 0.5 x 4.0 Motorola Part Number DSDRDC24