Moulded Case Circuit Breaker (MCCB) - UL489 listed - NOARK (Ex9M5 series) - 4-poles (4P4d) - Rated current 600A - Neutral pole without protection - Interrupting capacity 50kA (600Vac) - Lugs on both load and line sides - Thermal-Magnetic (adjustable) (AT/AM (Adjustable Thermal / Adjustable Magnetic)) trip unit - equivalent to 1102052