{"id":1483,"date":"2026-07-30T11:26:09","date_gmt":"2026-07-30T03:26:09","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/jcb1-125-miniature-circuit-breaker-6ka-10ka\/"},"modified":"2026-07-30T11:26:12","modified_gmt":"2026-07-30T03:26:12","slug":"jcb1-125-miniature-circuit-breaker-6ka-10ka","status":"publish","type":"product","link":"https:\/\/w9-group.com\/ja\/product\/jcb1-125-miniature-circuit-breaker-6ka-10ka\/","title":{"rendered":"Miniature Circuit Breaker JCB1-125 6kA\/10kA"},"content":{"rendered":"

\nIntroduction
\n<\/h2>\n

JCB1-125 circuit breaker is designed to offer a high industrial performance level, it protects circuit against short circuit and overload current. 6kA\/10kA breaking capacity makes it the perfect choice in commercial and heavy industrial applications.<\/p>\n

JCB1-125 circuit breaker have been made from the highest grade components. This is to ensure reliability in all applications where protection against overload and short circuit is required.<\/p>\n

JCB1-125 circuit breaker is a low voltage multistandard miniature circuit breaker (MCB), the rate current up to 125A. The frequency is 50Hz or 60Hz. The presence of green strip guarantees contact open physically and allows work to be carried out safely on the downstream circuit. The operating temperature is -30\u00b0C to 70\u00b0C. The storage temperature is -40\u00b0C to 80\u00b0C<\/p>\n

JCB1-125 circuit breaker has good overvoltage withstand capacity. It has an electrical endurance going up to 5000 cycles and a mechanical endurance going up to 20000 cycles.<\/p>\n

JCB1-125 circuit breaker complete with 27mm pole width and ON\/OFF indicators. it can be clipped on a 35mm DIN rail. It has a pin type busbar terminal connection<\/p>\n

JCB1-125 circuit breaker comply with both industrial standard IEC 60898-1, EN60898-1, AS\/NZS 60898 and residential standard IEC60947-2, EN60947-2, AS\/NZS 60947-2<\/p>\n

JCB1-125 circuit breaker is available in various breaking capacities, these breakers are the perfect choice for a wide variety of applications.<\/p>\n

\nProduct Description
\n<\/h2>\n

\"Miniature<\/p>\n

Main Features<\/p>\n

The most important features
\n\u25cf\u00a0Short circuit and overload protection: Circuit breakers are designed to protect against short circuit and overload conditions, ensuring the safety and reliability of electrical systems.\u25cf Breaking Capacity: This product offers breaking capacities of 6kA and 10kA, demonstrating its ability to handle high fault currents and protect circuits from damage.
\n\u25cf Width of 27 mm per pole: With a width of 27 mm per pole, the circuit breaker is compact and can effectively utilize the space of switchboards and switchboards.
\n\u25cf 35mm DIN Rail Mounting: This product is designed to be easily and securely mounted on a standard 35mm DIN rail for easy installation and maintenance.
\n\u25cf With contact indicator: The inclusion of a contact indicator allows visual confirmation of the status of the protective device, thereby enhancing maintenance and troubleshooting procedures.
\n\u25cf Current Range 63A to 125A: The circuit breakers are available in rated current ranges from 63A to 125A to meet various applications and load requirements.
\n\u25cf Rated impulse withstand voltage (1.2\/50) Uimp: The product’s rated impulse withstand voltage is 4000V, ensuring protection against transient overvoltage events.
\n\u25cf Available in 1-pole, 2-pole, 3-pole, 4-pole: The availability of different pole configurations provides flexibility to suit a variety of circuit arrangements and applications.
\n\u25cf C and D curve characteristics available: The circuit breaker is available in C and D curve characteristics, allowing customization according to specific application requirements.
\n\u25cf Standard Compliance: The product complies with international standards such as IEC 60898-1, EN60898-1, AS\/NZS 60898 and residential standards IEC60947-2, EN60947-2, AS\/NZS 60947-2, ensuring compliance with safety and performance regulations.<\/p>\n

\"Miniature<\/p>\n

Technical Data<\/h3>\n

\u25cf Standards: The circuit breakers comply with international standards such as IEC 60898-1, EN 60898-1, IEC60947-2 and EN60947-2, ensuring compliance with safety and performance regulations.
\n\u25cf Rated current: The product is available in 63A, 80A, 100A, and 125A rated current to meet a wide range of applications and load requirements.
\n\u25cf Rated working voltage: The rated working voltage can be selected from single-pole 110V, 230V, 240V, three-pole or four-pole 400V to ensure compatibility with various electrical systems.
\n\u25cf Rated breaking capacity: Circuit breakers offer rated breaking capacities of 6kA and 10kA, indicating their ability to handle fault currents and protect circuits from damage.
\n\u25cf Insulation voltage: The product provides 500V insulation voltage to ensure safe and reliable electricity use.
\n\u25cf Rated impulse withstand voltage (1.2\/50): The rated impulse withstand voltage of the circuit breaker is 4kV, which can provide transient overvoltage protection.
\n\u25cf Thermal magnetic tripper characteristics: The circuit breaker has C-curve and D-curve characteristics, which can be customized according to specific application requirements.
\n\u25cf Mechanical life: The product has a mechanical life of up to 20,000 times, ensuring long-term reliability and durability in harsh environments.
\n\u25cf Electrical Life: The circuit breaker has an electrical life of 4000 cycles and is designed to provide consistent performance throughout its service life.
\n\u25cf Protection level: The protection level of the circuit breaker is IP20, which means its protection against solid objects and limited protection against water intrusion.
\n\u25cf Ambient temperature: The working environment temperature range of the circuit breaker is -5\u2103 to +40\u2103 (daily average \u226435\u2103), adapting to a variety of environmental conditions.
\n\u25cf Contact position indicator: The circuit breaker has a contact position indicator, green means “OFF” and red means “ON”, which can visually confirm the status of the protection device.
\n\u25cf Terminal connection type: The circuit breaker supports cable and pin bus terminal connections, allowing flexible installation.
\n\u25cf Mounting: The product can be mounted on DIN rail EN 60715 (35mm) using a quick-clamp mechanism for easy and safe installation.
\n\u25cf Recommended torque: The recommended torque is 2.5Nm to ensure correct and firm connection during installation, which contributes to the overall reliability of the electrical system.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nStandard<\/td>\nIEC\/EN 60898-1<\/td>\n\u00a0IEC\/EN 60947-2<\/td>\n<\/tr>\n
\n

Electrical features<\/p>\n<\/td>\n

Rated current In (A)<\/td>\n1, 2, 3, 4, 6, 10, 16,<\/td>\n<\/tr>\n
20, 25, 32, 40, 50, 63,80<\/td>\n<\/tr>\n
Poles<\/td>\n1P, 1P+N, 2P, 3P, 3P+N, 4P<\/td>\n1P, 2P, 3P, 4P<\/td>\n<\/tr>\n
Rated voltage Ue(V)<\/td>\n230\/400~240\/415<\/td>\n<\/tr>\n
Insulation voltage Ui (V)<\/td>\n500<\/td>\n<\/tr>\n
Rated frequency<\/td>\n50\/60Hz<\/td>\n<\/tr>\n
Rated breaking capacity<\/td>\n10 kA<\/td>\n<\/tr>\n
Energy limiting class<\/td>\n3<\/td>\n<\/td>\n<\/tr>\n
Rated impulse withstand voltage(1.2\/50) Uimp (V)<\/td>\n4000<\/td>\n<\/tr>\n
Dielectric test voltage at ind. Freq. for 1 min (kV)<\/td>\n2<\/td>\n<\/tr>\n
Pollution degree<\/td>\n2<\/td>\n<\/tr>\n
Power loss per pole<\/td>\nRated current (A)<\/td>\n<\/tr>\n
1, 2, 3, 4, 5, 6, 10,13, 16, 20, 25, 32,40, 50, 63, 80<\/td>\n<\/tr>\n
Thermo-magnetic release characteristic<\/td>\nB, C, D<\/td>\n8-12In, 9.6-14.4In<\/td>\n<\/tr>\n
\n

Mechanical features<\/p>\n<\/td>\n

Electrical life<\/td>\n4, 000<\/td>\n<\/tr>\n
Mechanical life<\/td>\n20, 000<\/td>\n<\/tr>\n
Contact position indicator<\/td>\nYes<\/td>\n<\/tr>\n
Protection degree<\/td>\nIP20<\/td>\n<\/tr>\n
Reference temperature for setting of thermal element(\u2103)<\/td>\n30<\/td>\n<\/tr>\n
Ambient temperature (with daily average \u226435\u2103)<\/td>\n-5…+40<\/td>\n<\/tr>\n
Storage temperation (\u2103)<\/td>\n-35…+70<\/td>\n<\/tr>\n
Installation<\/td>\nTerminal connection type<\/td>\nCable\/U-type busbar\/Pin-type busbar<\/td>\n<\/tr>\n
Terminal size top\/bottom for cable<\/td>\n25mm2 \u00a0\/ 18-4 AWG<\/td>\n<\/tr>\n
Terminal size top\/bottom for Busbar<\/td>\n10mm2 \u00a0\/ 18-8 AWG<\/td>\n<\/tr>\n
Tightening torque<\/td>\n2.5 N*m \u00a0\/ \u00a022 In-Ibs.<\/td>\n<\/tr>\n
Mounting<\/td>\nOn DIN rail EN 60715 (35mm) by means of fast clip device<\/td>\n<\/tr>\n
Connection<\/td>\nFrom top and bottom<\/td>\n<\/tr>\n
\n

Combination
\nwith
\naccessories<\/p>\n<\/td>\n

Auxiliary contact<\/td>\nYes<\/td>\n<\/tr>\n
Shunt release<\/td>\nYes<\/td>\n<\/tr>\n
Under voltage release<\/td>\nYes<\/td>\n<\/tr>\n
Alarm contact<\/td>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"Miniature<\/p>","protected":false},"excerpt":{"rendered":"

Short circuit and overload protectionBreaking capacity up to 10kAWith contact indicator27mm module widthAvailable from 63A to 125A1 Pole, 2 Pole, 3 Pole , 4 Pole are availableB , C or D curveComply with IEC 60898-1<\/p>","protected":false},"featured_media":2170,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[81],"product_tag":[],"class_list":["post-1483","product","type-product","status-publish","has-post-thumbnail","product_cat-mcb","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product\/1483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/comments?post=1483"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media\/2170"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media?parent=1483"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1483"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1483"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}