Page 15 - Yueqing Dingqiao Electric Co., Ltd. (English)

Characteristics and Performance
TNSX MCCB from 16A to 250A

Common characteristics
With toggle ●
Control Manual
With direct or extended rotary handle ●
Versions Fixed ●

Circuit breakers TNSX100 TNSX160 TNSX250
Breaking capacity levels B F N H B F N H B F N H
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
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 ● ● ●
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
Manual mechanical interlocking ● ● ●
Automatic source-changeover ● ● ●

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