Reduce costs by fitting more circuits into smaller panels. This quad circuit breaker provides a full range of circuit ampacity from 15A to 50A. It allows to reduce the size of the current panels or expand panel capacity for applications requiring more circuits. Using quad tandems is ideal for remodel, multi-family and light commercial construction. This breaker provides overload and short circuit protection and contains: 1 - double pole 40A breaker inner circuit and 2 single pole 15A breakers outer circuits. It has a 10,000 Amperes Interrupting Rating (AIR), is CSA certified for use as HACR (heating, air conditioning & refrigeration) type circuit breakers and is CSA approved to only install in Canadian Homeline loadcentres. It measures 3" x 2" x 3.25".