- Circuit Breaker Locking Device – Combo Circuit Breaker Lockout. Set of 5 Pcs. Includes the following items: a.) 01 Pc. Circuit Breaker Locking Device for MCCB with Large Toggles. Color: Red. Brand: LOTO-LOK. Model No: CB–BT–CTBL. b.) 01 Pc. Circuit Breaker Locking Device for Single & Multi Pole Miniature Circuit Breaker. Color: Yellow. Brand: LOTO-LOK. Model No: CB-MG-CTBL. c.) 01 Pc. Circuit Breaker Locking Device for Multi Pole Miniature Circuit Breaker. Color: Blue. Brand: LOTO-LOK. Model No: CB–AB–CTBL. d.) 01 Pc. Circuit Breaker Locking Device for Single Pole Miniature Circuit Breaker. Color – Red. Brand: LOTO-LOK. Model No: CB-UB-CTBL. e.) 01 Pc. Fuse lockout, Screwdriver Required, Color: Red. Model No: CB-FLRD. Weight: 0.110 Kg.