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NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
Specifications
Brand Name :
Winston/OEM
Model Number :
NS
Certification :
CE,ROSH
Place of Origin :
China,Zhejiang
MOQ :
1PCS
Price :
USD12 to USD450/PCS
Payment Terms :
T/T,L/C,Paypal,Online Payment,RMB/USD
Supply Ability :
10000PCS/Month
Delivery Time :
3-15days after get payment.
Packaging Details :
Export standard carton box
Material :
Plastic
Poles :
3P ,4P
Current :
from 12.5A to 1600A
Frequency :
50/60HZ
OEM :
Yes
Description

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

NS series moulded case circuit breaker is one of breaker which adopts international ad-vanced design, manufacture technology to develop. The rated insulating voltage is 750V, suit-able for AC 50Hz(60Hz),rated working voltage 690V or below, rated working current is 12.5A to1250A of circuit and used in distributing electric energy, and non-frequent breaking in the nor-mal conditions , protecting the current& equipment from overload&under voltage, circuit breakerwith rated frame current 400A or below,can be used in mousecage motor's non-frequent start,breaking during working, protecting motor from overload, short circuit&undervoltage,the prod-uct conforms to IEC60947-2 standard.

TECHNICAL PARAMETER

2. Main Technical Specifications

Type

Pole number

Rated insulating voltage(V)

Rated operating voltage(V)

Rated ultimate short circuit breaking capacity Icu (KA) at 380/415V

Rated servies short circuit breaking capacity Ics at 380/415V(KA)

Operation performance

Utilization category

ON

OFF

NS-100N

3, 4pole

750

690 and below

25

25

1500

8500

A

NS-100H

70

70

NS-100L

150

150

NS-160N

36

36

1000

7000

NS-160H

70

70

NS-160L

150

150

NS-250N

36

36

1000

7000

AM2-250H

70

70

NS-250L

150

150

NS-400N

45

45

1000

4000

NS-400H

70

70

NS-400L

150

150

NS-630N

45

45

1000

4000

NS-630H

70

70

NS-630L

150

150

NS-1250N

3 pole

50

37.5

1000

4000

NS-1600N

50

37.5

Note: 1. The N-pole breaker has no protection which closing and opening with the other three poles.

2. The type of thermal magnetic for NS-400/630 has no four poles.

3 Trip units main technical parameter
Thermal magnetic release

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

Type

Rated currentIn(A)

Note

NS-100

12.5,16,20,25,32,40,50,63,80,100

Tadjustable (0.8~1In)M adjustable (5~10In)

NS-160

16,20,25,32,40,50,63,80,100,125,160

NS-250

160,180,200,225,250

NS-400

315,350,400

NS-630

400,500,630

NS-1250

800,1000,1250

Tadjustable (0.8~1In)M fixed

NS-1600

1000,1250,1600


Electronic release
NS 22SE: protection of low-voltage distribution networks for NS-100160250
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

1. Overload protection with adjustable threshold
2. Short-circuit protection with adjustable threshold
3. Load indication : light at 90% of Ir setting threshold;
Flashing at 105% or more of Ir setting threshold

Type

Rated current In(A)

Note

NS-100

40,100

Ir=0.4~1×In(adjustable 48 setting)
Tripping between 1.05~.3×Ir (IEC60947-2)
(Long-time overload protection)
Im=2-3-4-5-6-7-8-10×Ir
(Short-circuit protection)

NS-160

40,100,160

NS-250

40,100,160,250

NS 22ME: protection of motor for NS-100160250

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
1. Overload protection with adjustable threshold, as defined by IEC60947-4 (2) tripping class 10
2. Short-circuit protection with fixed threshold (13xIr)
3. phase failure protection (tripping time delay between 3.5s-6s)
4. Load indication : dark less than 105% of Ir setting threshold;
Flashing at 105% or more of Ir setting threshold

Type

Rated current In(A)

Note

NS-100

40,50,80,100

Ir=0.6-0.63-0.67-0.71-0.75-0.80-0.85-0.90-0.95-1×In

NS-160

40,50,80,100,150

NS-250

40,50,80,100,150,220


NS 23SE: protection of low-voltage distribution networks for NS-400630

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

1. Overload protection with adjustable threshold
2. Short-circuit protection with adjustable threshold
3. Load indication : light at 90% of Ir setting threshold;
Flashing at 105% or more of Ir setting threshold

Type

Rated current In(A)

Note

NS-400

400

Ir=0.4~1×In(adjustable 48 setting)
Tripping between 1.05~1.3×Ir (IEC60947-2)
(Long-time overload protection)
Im=2-3-4-5-6-7-8-10×Ir
(Short-circuit protection)

NS-630

630

NS 53UE: protection of low-voltage distribution networks for NS-400630

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

1. Overload protection with adjustable threshold, as defined by IEC60947-2
2. Short-circuit protection with adjustable threshold
3. Instantaneous short-circuit protection
4. Earth fault protection with adjustable threshold
5. Load indication : light at 90% of Ir setting threshold;
Flashing more than Ir setting threshold
6. Fault indication
LEDs indicates the type of fault that caused tripping
Overload (LT protection) or abnormal component temperature (>Ir);
Short-circuit (ST or instantaneous protection)( >Im);
Earth fault (if earth fault protection option is present)(Ig);
Microprocessor malfunction (both (>Ir) and ( >Im) LEDs go on ,plus the (Ig) LEDs if earth fault protection option is present )
Battery powered. Spare battery are supplied in an adapter box. When a fault occurs , the LED indicating the type of fault ,lights for about 10 minutes . The information is however stored in memory . The LED can be illuminated by pressing the test pushbutton. The LED automatically goes off and the memory is cleared when the circuit breaker is reset .

Type

Rated current In(A)

Note

NS-400

400

Ir=0.4~1×In(adjustable 48 setting)
Tripping between 1.05~1.3×Ir (IEC60947-2)
at 6×Ir Trip time: 1s, 2s, 4s, 8s, 16s(adjustable)
(Long-time overload protection)
Isd=1.5-2-3-4-5-6-7-8-10×Ir
Trip time: 0s, 0.1s, 0.2s, 0.3s adjustable+I2t
(Short-circuit short time delay protection)
Ii=1.5-2-3-4-6-7-8-10-11×Ir
(Instantaneous short-circuit protection)
Ig=0.1-0.2-0.3-0.4-0.5-0.6-0.7-0.8-1×Ir
Trip time: 0.1s, 0.2s, 0.3s, 0.4s adjustable+I2t
(Earth fault protection) (If option is present)

NS-630

630

NS 43ME: protection of motor for NS-400630

NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
1. Overload protection with adjustable threshold, as defined by IEC60947-4 (2) tripping class 10A,10 and 20
2. Short-circuit protection with adjustable threshold (6...13xIr)
3. Phase failure protection (built-in electronic release: operates unbalanced single-phase currentat 40% and more than )(tripping time delay 4s¡À10%),as defined by IEC60947-4.1
4. Load indication : Flashing more than Ir setting threshold
5. Fault indication
LEDs indicates the type of fault that caused tripping
Overload (LT protection) or abnormal component temperature (>Ir);
Short-circuit (ST or instantaneous protection)( >Im);
Phase failure (right LED);
Microprocessor malfunction ( (>Ir) ( >Im) and phase failure LEDs all go on )
Battery powered. Spare battery are supplied in an adapter box. When a fault occurs ,the LEDindicating the type of fault ,lights for about 10 minutes . The information is however stored inmemory . The LED can be illuminated by pressing the test pushbutton. The LED automaticallygoes off and the memory is cleared when the circuit breaker is reset .

Type

Rated current In(A)

Note

NS-400

400

Ir=0.4~1×In(adjustable 48 setting)
Trip degree: class 10A, 10,20(IEC60947-4)
(Long-time overload protection)
Im=6-7-8-9-10-11-12-13×Ir
(Short-circuit protection)

NS-630

630


4. Accessories

Accessories

Rated operating voltage

Consumption

For type

Pick-up

Seal-in

Shunt release(MX)

24V
100V
220/230V
380/400V

<10VA

<5VA

AM2-100~630

Under-voltagerelease(UN)

220/230V
380/400V

<10VA

<5VA

Accessories

Rated operating voltage

Consumption

For type

AC12

AC15

Auxiliary contact(OF)

380/400V

6

3

AM2-100~630

Alarm contact(AL)

380/400V

6

3


Rotary handle
Direct rotary handle
Degree of protection:IP40
Function:
1) suitability for isolation
2) indication of three positions 0(off) I(on) and tripped
3) press "push to trip" button, can trip-free
4) visibility of and access to trip unit settings
5) the circuit breaker can be locked in the off position by one to three padlocks , diameter 5 to 8mm(not supplied)
Extended rotary handle
Degree of protection:IP55
Function:
1) Suitability for isolation
2) Indication of three positions 0(off) I(on) and tripped
3) Visibility of and access to trip unit settings when the door is open
4) Door opening prevented when circuit breaker is on
5) The circuit breaker can be locked in the off position by one to three padlocks , diameter 5 to 8mm(not supplied).Locking prevents opening of the switchboard door

5.Installation
Circuit breaker may be mounted vertically, horizontally or flat on their back without any derating of characteristics.
6.Fix
Mounting on backplate , mounting on rails
7.Connection
Front panel connection , black panel connection , plug-in connection
8. Outline and Installation Dimension
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS-100~630

mm

C

C1

C2

C3

G

G1

G4

G5

H

H1

H2

NS 100/160/250N/H/L

29

76

54

108

62.5

125

70

140

80.5

161

94

NS 400/630N/H/L

41.5

116

92.5

184

100

200

113.5

227

127.5

255

142.5

mm H3 H4 H5 H6 H7 K K1 K2 L L1 L2 P1 P2 P4 P5
NS 100/160/250N/H/L 188 160.5 321 178.5 357 17.5 35 70 52.5 105 140 81 86 111* 83
NS 400/630N/H/L 285 240 480 237 474 22.5 45 90 70 140 185 95.5 110 168 107

mm

P6

R

R1

R2

R4

R5

φT

φT4

(Ue)

NS 100/160/250N/H/L

88

14.5

29

54

108

143

6

22

≤32

NS 400/630N/H/L

112

31.5

63

71.5

143

188

6

32

≤32
Product tags

nf mould case circuit breaker

,

ns moulded case circuit breaker

,

moulded case circuit breaker
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NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

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Product Detail
Brand Name :
Winston/OEM
Model Number :
NS
Certification :
CE,ROSH
Place of Origin :
China,Zhejiang
MOQ :
1PCS
Price :
USD12 to USD450/PCS
Contact Supplier
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection
NS Series Moulded Case Adjustable Circuit Breaker Leakage Protection

YUEQING WINSTON ELECTRIC CO.,LTD.

Site Member
10 Years
zhejiang
Since 2010
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
Inductive Proximity Sensor, Ultrasonic Proximity Sensor, Capacitive Proximity Sensor
Total Annual :
7 million -8 million
Employee Number :
50~100
Certification Level :
Site Member
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