Page 13 - Yueqing Dingqiao Electric Co., Ltd. (English)

Characteristics and Performance
TNSX MCCB from 16A to 250A

circuit breakers TNSX100 TNSX160 TNSX250
Number of poles 1 2 1 2 1
toggle ● ● ● ● ●
manual
Control direct or extended rotary handle - - - - -
electric - - - - -
front connection ● ● ● ● ●
fixed
rear connection ● ● ● ● ●
Connections
front connection - - - - -
withdrawable
rear connection - - - - -
Electrical characteristics as per IEC/EN 60947-2
Rated current (A) In 40 °C 100 100 160 160 250
Rated insulation voltage (V) Ui 750 750 750 750 750
Rated impulse withstand voltage kV) Uimp 8 8 8 8 8
AC 50/60 Hz 277 690 277 690 277
Rated operational voltage (V) Ue
DC 250 500 250 500 -
Type of circuit breaker F N F F N F N
220/240 V 18 25 36 18 25 36 25
380/415 V - - 18 - - 18 -
AC
Ultimate breaking capacity (kA rms) lcu 50/60 440 V - - 15 - - 15 -
Hz
500/525 V - - 10 - - 10 -
660/690 V - - 5 - - 5 -
Service breaking capacity (kA rms) lcs % Icu 100 % 100 % 100 % 100 % 100 %
Suitability for isolation ● ● ● ● ●
Utilisation category A A A A A
mechanical 20000 20000 20000 20000 10000
Durability (C-O cycles) In/2 20000 20000 20000 20000 10000
electrical 277 V
In 10000 10000 10000 10000 5000
Protection and measurements
Type of trip units built-in thermal-magnetic built-in thermal-magnetic built-in thermal-magnetic
In 16 20 25 30 40 50 63 80 100 125 160 160 200 250
Ratings long time Ir fixed fixed fixed
Overload protection (thermal)
threshold 16 20 25 30 40 50 63 80 100 125 160 160 200 250
instantaneous lm fixed fixed fixed
Short-circuit protection (magnetic)
pickup value indicated for AC 190 190 300 300 500 500 500 640 800 1000 1250 850 850 850
Vigi add-on - - - - -
Add-on earth-leakage protection
combination with Vigirex relay - ● - ● -
Additional indication and control auxiliaries
- ● - ● -
Indication contacts MX shunt release - - -
Voltages releases ● ●
MN undervoltage release - ● - ● -
Installation
Accessories terminal extensions and spreaders ● ● ● ● ●
terminal shields and interphase barriers ● ● ● ● ●
escutcheons ● ● ● ● ●
Dimensions (mm) W x H x D 35 x 161 x 86 70 x 161 x 86 35 x 161 x 86 70 x 161 x 86 35 x 161 x 86
Weight (kg) 0.7 1.2 0.7 1.2 0.7
Source changeover system
Manual mechanical interlocking ● ● ● ● ●

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