Hyundai Molded Case Circuit Breaker.

Optimum design provides easy-to-use customer installation, while offering versatility and high performance to match today's demand for a reliable and cost effective product, which is easy to maintain.

Features

High Breaking Capacity

Standardization

• Since MCCBs have the same size for main part so that manufacturing cost can be reduced through standardizing design and panel building process.

Cassette Type Accessories

• Cassette type accessories can be installed by one-touch method without screws.
• Auxiliary switch and alarm switch can be installed into a 3P or 4P MCCB with shunt trip or under voltage trip at the same time. (Max. Three accessories can be installed into a MCCB at the same time).

Adjustable Rated Current & Adjustable Instantaneous Current

• This function will be applied up to 250AF.

Standard & Certification

Applied Standard

• KSC 8321
• IEC 60947
• NEMA AB-1
• VDE 0660
• JIS C8370
• EN 60947-1 & 60947-2

Approval & Certification

• ISO 9001/14000(International Standard Organization)
• CESI : Centro Electrocnio Sepermentale Italiano
• KERI : Korea Electrotechnology Research Institude
• LR : Lloyd's Register of Shipping
• AB : American Bureau of Shipping
• BV : Bureau Veritas
• KR : Korean Register of Shipping
• GL : Germanischer Lloyd
• NK : Nippon Kaiji Kyokai
• KS : Korea Industrial Standard
• Nuclear Performance Test(1E Class)
• CE : Community European : TÜV Rheinlend



Accessories

Internal Accessories

Auxiliary Switch (AUX)

• Makes electrical signals for the breaker status, ON or OFF.

Alarm Switch (ALT)

• Indicates electrically the tripped status of breaker.

Shunt Trip (SHT)

• Trips the breaker electrically.

Under Voltage Trip (UVT)

• Trips the breaker automatically at under set value for the circuit voltage.

External Accessories

Operating Mechanism (TFG/TFH)

• For external hand-operation of MCCB inside a switchgear.
• TFG : Installed on MCCB.
• TFH : Connected to MCCB through rod.

Extended Handle (TFA)

• Reduces operation efforts for ON, OFF, and RESET.

Terminal Cover (TCF)

• Protects the line and load terminals of MCCB.

Interpole Barriers (TQQ)

• Isolates terminals to prevent short-circuiting between two or more terminals.