MOLDED-CASE CIRCUIT BREAKERS & EARTH ... - Piti Group
MOLDED-CASE CIRCUIT BREAKERS & EARTH ... - Piti Group
MOLDED-CASE CIRCUIT BREAKERS & EARTH ... - Piti Group
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Reliable<br />
High reliability, Best performance<br />
■ Technology for WS Series<br />
Relay<br />
• Relay-unit Thermal type & Electronic type<br />
• AC/DC common use<br />
• Thermal adjustable range is expanded.<br />
Mechanism<br />
• Isolation suitability<br />
• Class ll insulation<br />
• Increased operating cycles<br />
Breaking Performance<br />
• Increased lcu<br />
• High voltage<br />
• Ics=100% lcu<br />
JPT<br />
Terminal<br />
• IP20 Mold-cover Finger<br />
protection<br />
• Front compression terminal<br />
⇔ Box terminal ⇔ Rear ⇔<br />
PM<br />
Internal Accessories<br />
Shunt-less<br />
Advanced ISTAC<br />
PA Auto-Puffer<br />
External Accessories<br />
• Cassette-type accessories<br />
• Wide range of Rated Voltage<br />
• Electric operators<br />
High speed type<br />
Isolation suitability<br />
• IP20 PM with Safety Device<br />
• Handle Lock Device<br />
• R/V handle<br />
• IP40 Terminal cover<br />
[PA Auto-Puffer]<br />
Adopted on SGW,<br />
Polymer Ablation type Auto-Puffer [ HGW, RGW, UGW]<br />
[JPT]<br />
Adopted on SGW,<br />
Jet Pressure Trip Mechanism [ HGW, RGW, UGW]<br />
[Advanced ISTAC]<br />
Adopted on SGW,HGW,<br />
Advanced Impulsive Slot-Type Accelerator [<br />
RGW, UGW ]<br />
[Shunt-less]<br />
Adopted on SGW,<br />
Shunt-less Current Flow Technology [ HGW, RGW, UGW]<br />
Double plates conductors hold the movable conductor without<br />
flexible wires. This shunt-less structure achieves the increased<br />
operating cycles.<br />
Holder<br />
Movable contact<br />
Endurance<br />
(C-O cycles)<br />
(times)<br />
50,000<br />
40,000<br />
Electrical<br />
Mechanical<br />
30,000<br />
20,000<br />
10,000<br />
0<br />
NF125-SGW/HGW NF160-SGW/HGW NF250-SGW/HGW<br />
Spring<br />
Movable contact<br />
revolving shaft<br />
During revolution the movable contact is constantly<br />
in contact with the holder, maintaining current flow.<br />
5
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