Overview Reviews Product Description Carling Switch BB3-X0-02-022-X21-C Breaker 30A 277VAC/65VDCV 3P. Product Videos Custom Field Amp 30 Volts 277 Poles 3 Product Reviews Write a Review Write a Review × Carling Switch Carling Switch BB3-X0-02-022-X21-C Breaker 30A 277VAC/65VDCV 3P Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *