Thermal Derating and Ambient Conditions
The 3VA1110-4FF42-0AA0: Continuous current rating holds at 100 A up to 50 °C, then derates linearly: 98 A at 55 °C, 96 A at 60 °C, 94 A at 65 °C, and 91 A at 70 °C. Operating temperature range is -25 °C to +70 °C; storage range is -40 °C to +80 °C. Maximum power loss is 25 W. The front face carries IP40 protection — suitable for dry indoor panel environments, not washdown zones.
Dimensions and Panel Fit
The breaker measures 130 mm high, 101.6 mm wide, and 70 mm deep. Four-pole width at 101.6 mm is standard for this class; verify DIN-rail or screw-mount spacing against the existing panel cutout. N-conductor protection is set at 50% of the phase rating. An optional motor drive is available for remote operation.
Sourcing and Lifecycle
The 3VA1110-4FF42-0AA0 is listed as current production — no end-of-life notice on record. Sourced to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.