Overview Reviews Product Description Challenger CK3400F Breaker 400A 600V 3P 25kA Trip Unit: KT3350T. Product Videos Custom Field Amp 400 Volts 600 Poles 3 kA 25 Product Reviews Write a Review Write a Review × Challenger Challenger CK3400F Breaker 400A 600V 3P 25kA Trip Unit: KT3350T Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *