Page 14 - Yueqing Dingqiao Electric Co., Ltd. (English)

Characteristics and Performance
TNSX MCCB from 16A to 250A

Common characteristics
Insulation voltage (V) Ui 800
Insulation voltage for ELCB Ui 500
Rated Impulse withstand voltage (kV) Uimp 8
voltages
Operational voltage (V) Ue AC 50/60 Hz 690
Operation voltage for ELCB Ue AC 50/60 Hz 440
Suitability for isolation IEC/EN 60947-2 yes
Utilisation category A
Pollution degree IEC 60664-1 3

Circuit breakers TNSX100 TNSX160 TNSX250
Breaking capacity levels B F N H B F N H B F N H
TNSX 100N/160N 3P
Electrical characteristics as per IEC/EN 60947-2
Rated current (A) In 40 °C 100 160 250
Number of poles 2 , 3, 4 2 , 3, 4 2 , 3, 4
Breaking capacity (kA rms)
220/240 V 40 85 90 100 40 85 90 100 40 85 90 100
380/415 V 25 36 50 70 25 36 50 70 25 36 50 70
440 V 20 35 50 65 20 35 50 65 20 35 50 65
lcu AC 50/60 Hz
500 V 15 25 36 50 15 30 36 50 15 30 36 50
525 V - 22 35 35 - 22 35 35 - 22 35 35
660/690 V - 8 10 10 - 8 10 10 - 8 10 10
Service breaking capacity (kA rms)
220/240 V 40 85 90 100 40 85 90 100 40 85 90 100
380/415 V 25 36 50 70 25 36 50 70 25 36 50 70
TNSX 100N/160N 4P 440 V 20 35 50 65 20 35 50 65 20 35 50 65
lcs AC 50/60 Hz
500 V 7 12 36 50 15 30 36 50 15 30 36 50
525 V - 11 35 35 - 22 35 35 - 22 35 35
660/690 V - 4 10 10 - 8 10 10 - 8 10 10
Durability (C-O cycles) Mechanical 50000 40000 20000
Characteristics as per UL 508
240 V - 85 85 85 - 85 85 85 - 85 85 85
Breaking capacity (kA rms) AC 50/60 Hz 480 V - 25 50 65 - 35 50 65 - 35 35 35
600 V - 10 10 10 - 10 10 10 - 15 15 15
Protection and measurements ● ● ●
Short-circuit protection Magnetic only ● ● ●
Thermal magnetic ● ● ●
● ● ●
with neutral protection (Off-0.5-1-OSN) ● ● ●
Electronic
with ground-fault protection ● ● ●
TNSX 250N 3P with zone selective interlocking (ZSI) ● ● ●
By Vigi add-on ● ● ●
Earth-leakage protection
By Vigirex relay ● ● ●
Installation / connections
Dimensions and weights
Dimensions (mm) 2/3P 105 x 161 x 86 105 x 161 x 86 105 x 161 x 86
W x H x D Fixed, front connections 4P 140 x 161 x 86 140 x 161 x 86 140 x 161 x 86
2/3P 2.05 2.2 2.4
Weight (kg) Fixed, front connections
4P 2.4 2.6 2.8
Connections
Connection terminals Pitch With/without spreaders 35/45 mm 35/45 mm 35/45 mm
Large Cu or Al cables Cross-section mm² 300 300 300
Source-changeover system
TNSX 250N 4P Manual mechanical interlocking ● ● ●
Automatic source-changeover ● ● ●

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