ABB ACS800 Hardware Manual page 40

40
Selection
Safety features
Special
Hardware description
Alternatives
Q950 = prevention of unexpected start-up (Category 3)
Q951 = emergency stop, stop category 0 with opening the main
contactor/breaker
Q952 = emergency stop, stop category 1 with opening the main
contactor/breaker
Q954 = ground fault monitoring (IT [ungrounded] system)
Q959 = red-coloured trip pushbutton for external breaker
Q963 = emergency stop, stop category 0 without opening the main
contactor/breaker
Q964 = emergency stop, stop category 1 without opening the main
contactor/breaker SS1
Q968 = safe torque off with a safety relay
P902 = customised (described in Technical appendix on ordering)
P904 = extended warranty
P913 = special colour