NSX1250N 3P MCCB

Short Description:

JNSX Moulded Case Circuit Breaker

1.Application

UNS series plastic housing circuit breaker. They are characterized by compact size, modularization,high breaking, double break points, zero flashover, and green environmental protection. It issuitable for distribution networks with AC 50Hz, 60Hz, rated working voltage 690V and below, andrated current 12.5A to 1600A. It is used to distribute electric energy and protect lines and powerequipment from overload, short circuit, undervoltage, and other faults. It can also be used forinfrequent switching of lines and infrequent starting of motors under normal conditions.   The JNS series circuit breaker is also equipped with an intelligent controller, which not onlyincreases the selection range of setting current, but also has LCD display, overload setting current,short circuit delay current, short circuit instantaneous current, and tripping time that can beset, as well as short circuit instantaneous three-stage protection and undervoltage protection;   Equipped with RS485 communication interface and MODBUS-RTU protocol; DL645 protocol, userscan choose according to their needs. Remote signaling: breaking/closing, tripping, alarm, and faultstatus indication; Remote control: breaking, closing, resetting: Telemetry: three-phase current andN-phase current, grounding current, trip memory function, and functions such as querying triprecording parameters, further improving the reliability and continuity of power supply. This circuitbreaker also has an isolation function (can be used instead of a load switch).   This series of products comply with GB/T14048.2, GB/T 22710, and IEC 60947-2 standards, andhave passed 3C, CE, and TSE certifications.


Product Detail

Product Tags

JNSX-250
Type
Number of poles 3P□4P
Shell frame maximum rated current Inm(A) 250
Rated current In(A) TM MA
Electronic type
100/160/180/200/225/250
250
Rated insulation voltage Ui(V) 1000
Rated impulse withstand voltage Ulimp(kV) 8
50H-60Hz Rated voltage Ue(V) 50H-60Hz A 400/4 415/500/690 690
Flying arc Distance(mim)
Short circuit breaking capability level N - M H S
AC400/415V 35 50 85 100 150
Rated limit Short circuit
AC500V
Breaking capacitylcu(kA)
/ 35 50 60 65
AC690V / 6 8 10
Usage Category A
AC400/415V 35 50 85 100 150
Rated running shortcircuit
AC500V
Breaking capacityics(kA)
/ 35 50 60 65
AC690V / 6 8 10
Rated short time resistant
current ICW(kA)(1s)
Type of Stripper 3(micr logic 5.0A
Additional Residual cu
Remaining Current protection
rent protection module(See P12-13 EL6 remaining current
module for specific parameters)
Electrical Life Test AC415V 8000
AC690V 1500
Number of mechanical life 2 0000
Type JNSX-400 JNSX-630 JNSX- 250/1600
Number of poles 3P,4P 3P,4P IP,4P
Shell frame maximum rated current Inm(A) 400 630 125 0/1600
TM MA
Rated current In(A)
250/315//350/400 400/500//600 /
Electronic type 400 630 630/800/1 000/1250/1600
Rated insulation voltage Ui(V) 1000 1000 :1000
Rated impulse withstand voltage Ump(kV) 8 8 8
50H-60Hz Rated voltage Ue(V)50H-60Hz AC400/415/500/690V AC400/415/500/690V AC400/ 415/500/690V
Flying arc Distance(mm) 0
Short circuit breaking capability level
L M H
S
L M H S M H
Rated limit Short circuit AC400/415V
50
85 100 150 50 85 100
150 50
65
Breaking
capacityicu(xA)
AC500V
35
50 60 65 35 50 60
65
35
45
AC690V 10
15
20 10 15 20 20
30
Rated running
shortcircuit
AC400/415V
50
85 100 150 50 85 100 150 50
65
Breaking AC500V
35
50
60
65 35 50 60 65 35 45
capacityics(kA) AC690V 10 15 20 10 15 20 20 30
Working with
categories
TM/MA micrologic 2
micrologic 3
A A /
micrologic 5.0A B 11 B
Rated short time resistant current ICW(kA)(1s)
5(micrologic 5.0A)
5(micrologic 5.0A) 20(micro logic 5.0A)
Remaining Current protection
Addit
onal Residual current pro ction
speci
tule(Se
ic para
P12-13
meters)
L6 remain aining current module for
Electrical Life Test AC415V 6000 5000 1500
AC690V 1000 1000 1000

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