Single Gun System Configuration // Dual Gun System Configuration1. Power/Control Unit 220/380/415/440 VAC 50/60 Hz2. NS 40N Welding Gun // (2)3. Ground Cable & Clamp // (2)4. Combination Cable // (2)Specificationsº¯¾Ðºñ(Transformer Rating) : 2400ampsÀÔ·ÂÀü¾Ð(Input voltage) : 220/380/415/440 VAC 50/60 Hz¿ëÁ¢½Ã°£¹üÀ§(Timing Control) : 0.02-1.0 seconds. stepless¿ëÁ¢Àü·ù¹üÀ§(Regulated Output) : 300-2100 amps. regulated¿ÜÇüÅ©±â(Case Dimensions) : 610W¡¿ 686H¡¿ 850D¹«°Ô(Weight) : 330KgDuty Cycle(¿ëÁ¢È¿À²)Rated @ continuous operation7/8" (22mm) 4 per minute 3/8" (10mm) 22 per minute3/4" (19mm) 12 per minute 5/16" (8mm) 40 per minute5/8" (16mm) 15 per minute 1/4" (6mm) 50 per minute1/2" (13mm) 19 per minute 3/16" (5mm) unlimited