3-in-1 Current Transformers TASN Series

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A range of 3-in-1 current transformers combine three Traditional current transformers in one moulded case. 3-in-1 current transformers can be directly installed next to a three-phase moulded case circuit breaker, thus saving installation time where fitting three standard individual current transformers would be required. The 3-in-1 Range of current transformers primary currents between 60A~630A with 5A or 1A secondaries with up to Class 0.5 accuracy performance

Specifications

System Voltage: 720V maximum
Test Voltage: 3kV for 1 minute
System Frequency: 50Hz or 60Hz
Primary Ratings: 60A to 630A
Short circuit thermal current: 60 x rated primary current (Ith):for 1 sec
Overload withstand: 1.2 x rated current continuously
Rated dynamic current: 2.55 x Ith
Secondary terminals: M4 screw terminals
Enclosure: Flame retardant grad classified UL 94V-0
Apperature hole centres: 25, 35, 45mm
Mounting hardware: Plug-in metal feet for wall or base Mounting Busbar and DINrail
Compliant with: IEC/EN60044-1

     Model Selection Table

     

    PART NO. RATIO BURDEN VA AGAINST CLASS INDEX APERATURE (MM)
    CLASS 0.5 CLASS 1 CLASS 3
    TASN 240-60/5 60/5 - 1 2 3 @ 14.5 x 24.5mm
    TASN 240-100/5 100/5 - 1.5 2.5 3 @ 14.5 x 24.5mm
    TASN 240-125/5 125/5 1.5 1.5 2.5 3 @ 14.5 x 24.5mm
    TASN 240-150/5 150/5 1.5 1.5 2.5 3 @ 14.5 x 24.5mm
    TASN 240-200/5 200/5 1.5 1.5 2.5 3 @ 14.5 x 24.5mm
     
    TASN 242-100/5 100/5 - 1.5 2 3 @ 20.5 x 24.5mm
    TASN 242-125/5 125/5 - 1.5 2.5 3 @ 20.5 x 24.5mm
    TASN 242-150/5 150/5 - 1.5 2.5 3 @ 20.5 x 24.5mm
    TASN 242-160/5 160/5 1.5 1.5 2.5 3 @ 20.5 x 24.5mm
    TASN 242-200/5 200/5 1.5 1.5 2.5 3 @ 20.5 x 24.5mm
    TASN 242-250/5 250/5 1.5 1.5 2.5 3 @ 20.5 x 24.5mm
     
    TASN 248-250/5 250/5 1.5 1.5 2.5 3 @ 30.5 x 30.5mm
    TASN 248-300/5 300/5 2.5 2.5 3.75 3 @ 30.5 x 30.5mm
    TASN 248-400/5 400/5 2.5 2.5 3.75 3 @ 30.5 x 30.5mm
    TASN 248-500/5 500/5 2.5 2.5 3.75 3 @ 30.5 x 30.5mm
    TASN 248-600/5 600/5 2.5 2.5 3.75 3 @ 30.5 x 30.5mm
    TASN 248-630/5 630/5 2.5 2.5 3.75 3 @ 30.5 x 30.5mm

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