Model 
 TDX-D33 
 Standard 
 GB18802.1, IEC61643.1 
 Scope 
 IT / TT / TN power supply 
 System Architecture 
 Relative to the 3 +1 mode or way of 
 Case Material 
 Japan's Toray Nylon 66 (V0 class flame retardant) 
 Maximum continuous operating voltage Uc 
 275V AC (LN) 
 Normal operating voltage UN 
 220V AC (LN) 
 Response Time 
 <100ns 
 Voltage protection level Up (20KA, 8/20us) 
 <2000V 
 Max Surge Current 
 25KA (10/350μS) 
 Lightning counter 
 Optional 
 Size 
 18 × 90 × 65mm 
 Maximum allowed back-up protection 
 250A fuse 
 Protection class 
 IP20 
 Operating temperature range 
 -40 ~ 70 ℃ 
 Relative humidity 
 ≤ 95% 
 Installation 
 35mm rail 
 Product warranty 
 Five