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 |
Brand Name | Winston/OEM |
Model Number | NS |
Certification | CE,ROSH |
Place of Origin | China,Zhejiang |
View Detail Information
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Product Specification
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 | Brand Name | Winston/OEM |
Model Number | NS | Certification | CE,ROSH |
Place of Origin | China,Zhejiang | ||
High Light | mccb circuit breaker ,moulded case circuit breaker |
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.
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
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 |
Type | Rated current In(A) | Note |
NS-100 | 40,100 | Ir=0.4~1×In(adjustable 48 setting) |
NS-160 | 40,100,160 | |
NS-250 | 40,100,160,250 |
NS 22ME: protection of motor for NS-100160250
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 |
Type | Rated current In(A) | Note |
NS-400 | 400 | Ir=0.4~1×In(adjustable 48 setting) |
NS-630 | 630 |
Type | Rated current In(A) | Note |
NS-400 | 400 | Ir=0.4~1×In(adjustable 48 setting) |
NS-630 | 630 |
Type | Rated current In(A) | Note |
NS-400 | 400 | Ir=0.4~1×In(adjustable 48 setting) |
NS-630 | 630 |
Accessories | Rated operating voltage | Consumption | For type | |
Pick-up | Seal-in | |||
Shunt release(MX) | 24V | <10VA | <5VA | AM2-100~630 |
Under-voltagerelease(UN) | 220/230V | <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 |
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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 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
7 million -8 million
Employee Number:
50~100
Ecer Certification:
Site Member
Yueqing Winston Electric Co., Ltd. is not only an exporting company, but also a professional manufacturer in China. We have our own production base. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circu... Yueqing Winston Electric Co., Ltd. is not only an exporting company, but also a professional manufacturer in China. We have our own production base. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circu...
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