Single-Pole BMC

The Single-Pole Battery Modular Connectors (BMC) offer versatile solutions for a wide range of power connection requirements. The Single-Pole BMC Series is available in four (4) housing sizes, each housing supports a range of contacts, with each contact supporting a specific amperage rating and standard wire size. The compact housing can be stacked vertically and/or horizontally with other Single-Pole BMC connectors of the same size, allowing for the creation of unique custom key connectors.

Capable of handling currents up to 230A and wire sizes ranging from #20 AWG (0.75 mm²) to 1/0 (60 mm²), the Single-Pole BMC connectors provide flexibility for various power applications. The housing options are available in a wide range of colors, facilitating visual identification and organization.

These versatile housings can be paired with different contacts to facilitate wire-to-wire, wire-to-board, wire-to-device, or board-to-board connections. This adaptability allows for seamless integration into different systems and provides flexibility in meeting specific connectivity needs.

Overall, the Single-Pole Battery Modular Connectors offer a compact, customizable, and reliable solution for power connections, accommodating diverse amperage requirements and wire sizes. Their stackable design, color options, and compatibility with various contact types make them suitable for a wide range of applications in different industries.

KST Single-Pole and Double-Pole BMC are UL Certified

Click here to go to the general Battery Modular Connector (BMC) Overview

Click here to view Double-Pole Battery Modular Connector (BMC) Overview

FEATURES

• Precision contact alignment & swiping provides high current throughput with minimal contact resistance. Swiping action cleans contact surfaces during connection/disconnection.
• Standardized genderless housing reduces the number of required SKUs and simplifies critical inventory management.
• Copper contacts that are silver plated (Tin plated contacts on reel also available) for use with Single-Pole BMC 045 (Small) housing.
• Copper contacts are silver-plated, providing excellent conductivity. Optional tin-plated contacts on reel are available for the Single-Pole BMC 045 (Small) housing.
• The connectors demonstrate exceptional longevity, even in applications that demand high power and expose them to elevated temperatures.
• The extensive selection of colored housings offers versatile deployment options to accommodate your internal requirements while ensuring connectors are safely assembled and correctly mated.
• The modular slotted connector enables convenient stacking of multiple modules in either horizontal or vertical orientations, facilitating efficient configuration and expansion.
• The Single-Pole BMC modular ground connector is color-coded green, providing a clear and concise visual means of identifying the ground terminal. Available in Gendered and Genderless variations.
• The optional grooved housing (BMC1S-1) is designed to provide an additional failsafe against accidental cross-mating of housings. Furthermore, it serves as a mechanical safeguard by reducing the size of the connector opening, effectively minimizing the risk of hands accidentally touching live contacts.
• Chemical Resistant Housings (PBT – Medium Housing only) are developed for customers whose applications require robust connector solutions that offer durability against environmental factors that commonly degrade standard products. The housing material offers improved resistance to hydrocarbons and solvents, as well as, an increased operational temperature range. The chemical-resistant connectors are ideal for a variety of industries that include Automotive, Industrial, and Personal Mobility.

SPECIFICATIONS

• Operating Temperature Range: -20°C to 125°C
• Voltage Rating: 600 Volts
• Contact Retention Force (lbs.): 25
• UL94 V-2 (Small)/ UL94 V/0 (Medium/Medium-large/Large): Deploy with confidence knowing that KST connectors meets strict flammability ratings.
• Housing Material: PC

Contacts
BMC1AG Silver Plated Contact 015A
BMC2ST Tin Plated Contact 030A (Reel)
BMC2AG Silver Plated Contact 030A
BMC3ST Tin Plated Contact 045A (Reel)

PCB Contacts:
BMCPCL1A PCB Contact 025A – 1st Stack
BMCPCL2A PCB Contact 025A – 2nd Stack
BMCPCL2B PCB Contact  025B – 2nd Stack

Housing Colors:
Black, Blue, Green, Grey, Orange, Pink Purple, Red, White, Yellow

Housing Colors:
Black, Blue, Green, Grey, Orange, Pink Purple, Red, White, Yellow

The Single-Pole 045 BMC housing comes in two variations, (Standard/Contact Proof), and when used together provides mechanical protection by preventing accidental cross-mating.  Contact Proof housing also provides additional hazard prevention by helping to keep fingers out, preventing handlers from accidentally touching live contacts.

KST offers two ground connector variants for the Single-Pole BMC 045 Series, each catering to different connectivity needs:

1. Gendered Housing: The gendered housing of the Single-Pole BMC 045 is designed with mating male and female connectors. These gendered housings and contacts provide secure connections, ensuring reliable power transmission. The gendered housing is an excellent option for applications where precise and specific connections are required. It provides a mechanical failsafe, preventing incorrect mating and promoting a secure electrical interface. The gendered housing is rated up to 10 Amps, making it suitable for various power applications.
2. Genderless Housing: The genderless housing of the Single-Pole BMC 045 allows for greater flexibility and versatility in power connections. This modular design enables two identical housings to be mated, creating make-first/break-last connections. It ensures that the ground connection is established before power connections are made and remains intact until power disconnection. Genderless housing is an ideal choice for applications where easy assembly and disassembly are required. It offers efficient wire-to-wire or wire-to-board connections, simplifying inventory, installation, and maintenance processes.

The gendered and genderless housing solutions are designed to meet diverse power connection requirements, providing high performance, reliability, and safety.

Gendered Ground Solution

Ground Housings:
BMC1S-FG – Ground Housing ♀
BMC1S-MG – Ground Housing ♂

Ground Contacts:
BMC1S-FG2ST –  Ground Contact 010A ♀
BMC1S-MG2ST – Ground Contact 010A ♂

Gendered Housing are modular and designed to configure with the Single-Pole 045 BMC1S series of product. As listed above, they have specific gendered contacts that are rated to 10 Amps.

Supports wire sizes ranging from #16 to #14 (1.25 to 2.1 mm²)

Green housing Indicates ground terminal

Genderless Ground Solution

Genderless Ground Housings:
BMC1S-G-GR – Genderless Ground Housing

Genderless Ground Contact:
BMC1S-G3ST – Genderless Ground Contact

This Genderless Ground housing has an interchangeable modular design, meaning that you can take two identical housings, flip one 180 degrees, and it will mate with the other.  This Genderless ground housing can be used with all BMC1S housings. All Single-Pole BMC housings have external slots that are used to connect with other  Modules of the same size.

Genderless Ground Connectors are designed for make-first/break-last connections. It allows the ground to be established prior to the power connections being made, and the ground is maintained until after the power connections are broken.

Supports wire sizes ranging from #16 to #14 (1.25 to 2.1 mm²)

Green housing Indicates ground terminal

Single-Pole BMC 045 (Small) PCB Mounting Wing

This modular housing accessory (BMC1S-WI) can be horizontally stacked on either side of a single or horizontal stack of Single-Pole BMC 045 housings and provides SMT or means for the stack to be mounted to a PCB substrate.

Single-Pole BMC 045 (Small) Spacer

These modular housing accessories (BMC1S-FSP/BMC1S-MSP) are used with Single-Pole BMC 045 Series of products including stack enclosures. In some applications, some pole positions are not utilized and therefore a housing spacer is required. These gendered non-mating housing spacers are designed to provide a mechanical failsafe, ensuring the stack is always oriented correctly and making incorrect connections impossible. These modular housings are available in red, green, and white.

KST Stack Enclosures protect stacks of Single-Pole BMC 045 Housings (Small) in a protective ergonomic casing. This stack enclosure series is available in 2, 4, 6 & 8 configurations for inline wire-to-wire and wire-to-panel applications. Key to this series of housings is the optional availability of standard & grooved BMC1S housings, as well as spacer modules that can be used to build fail-safe custom keys that ensure correct orientation making accidental cross-mating impossible.

Stack Enclosure for 2x BMC1S Wire-to-wire Configuration (Unsealed)

Ensure the secure and streamlined connection of two horizontally stacked Single-Pole BMC 045 (BMC1S) connectors with our Stack Enclosure, designed for wire-to-wire configurations. This enclosure offers robust protection in an ergonomic form factor, safeguarding your valuable connections.

Featuring integrated hinged flaps with lock-pins, the stack enclosure guarantees that the two stacked BMC1S connectors remain aligned, providing enhanced stability and reliability during operation.

For added convenience and peace of mind, the male side of the stack enclosure is equipped with latches that firmly lock with the female side of the stack enclosure. This positive locking mechanism not only ensures strain relief but also effectively prevents accidental disconnections, ensuring uninterrupted power transmission and improved safety.

With our Stack Enclosure for 2x BMC1S Wire-to-Wire Configuration, you can rest assured that your connections are well-protected, organized, and easily maintained, making it the ideal solution for your power connectivity needs.

Stack Enclosure for 4x & 6x BMC1S Wire-to-wire Configuration (Unsealed)

Facilitate seamless and reliable wire-to-wire connections with our Stack Enclosures designed for 4x and 6x BMC1S configurations. These enclosures have both a male and female housing component, ensuring a secure and efficient power connectivity solution.

The female housings are available in two variants: one with locking latches and the other without. The locking latches offer an additional positive lock mechanism, safeguarding against accidental disconnects and providing enhanced stability.

To further enhance the overall functionality, our Stack Enclosures are designed to be used with reinforcing cable clamps and lock-pins (sold separately). This combination ensures optimal strain relief and dependable connections, meeting your power connectivity requirements.

With our Stack Enclosure for 4x and 6x BMC1S Wire-to-Wire Configuration, you can confidently achieve efficient power transmission while maintaining a tidy and secure setup. Experience enhanced performance and peace of mind with this reliable and versatile power connectivity solution.

Stack Enclosure for 4x, 6x & 8x BMC1S Wire-to-panel Configuration (Sealed)

Streamline your wire-to-panel connections with our Stack Enclosures designed for 4x, 6x, and 8x BMC1S configurations. These enclosures feature both male and female housings, offering a secure and efficient solution for inline (Wire-to-panel) setups.

Once mated, the stack enclosure can be easily secured with screws, providing an added layer of protection against accidental disconnection. This ensures a reliable and stable connection, giving you peace of mind during operation.

Notably, our Stack Enclosures, when mated, form a seal, providing exceptional protection against dust and water ingress. This robust sealing feature ensures your connectors remain well-protected in challenging environments.

For enhanced functionality and convenience, our Stack Enclosures are compatible with lock-pins (sold separately). These lock-pins further reinforce the connections, ensuring a dependable and secure wire-to-panel configuration.

With our Stack Enclosure for 4x, 6x, and 8x BMC1S Wire-to-Panel Configuration, you can streamline your power connections and achieve a professional, sealed setup. Trust in the reliability and durability of this enclosure, making it the perfect solution for your wire-to-panel power connectivity needs, even in harsh and demanding conditions.

Stack Enclosure (Half-shell) for 6x BMC1S Wire-to-Wire/Board Configuration (Unsealed)

These stack enclosures are for wire-tow-wire/board configurations and come with and without mounted M3 screws.

The stack enclosure can be assembled around a mated stack to prevent accidental disconnection.

Protective stack enclosures are chemical & UV-resistant, and UL 94 V-0 flammability rated.

Half-shell stack enclosures have locking slots and snap together around previously assembled & mated stacks.

Stack Enclosures are designed to be used with lock-pins which are sold separately.

Contacts:
BMC5AG – 1-Pole 075 Contact 050A
BMC8AG – 1-Pole 075 Contact 060A
BMC14AG – 1-Pole 075 Contact 075A

Housing Colors (BMC1M/BMC1M-LK):
Black, Blue, Green, Grey, Red, White & Yellow

Housing Colors (BMC1MRC):
Black, Blue, Green, Grey, Red, & White

The Single-Pole BMC 075 (Medium) housings are available in three variations: chemical resistant, standard slot, and locking slot. The Chemical Resistant housing shares the same form and dimensions as the standard housing, with the only difference being that it is made with PBT material, making it suitable for use in temperatures as low as -40°C.

The housings with locking slots offer additional security, preventing housing separation and misalignment. While housings with locking slots can mate with standard and chemical-resistant housings, they cannot be stacked with them.

These housings have been thoughtfully designed for both wire-to-wire and wire-to-board applications. They support a wide range of wire sizes, from #12 AWG (6 mm²) to #6 (14 mm²), and can handle currents of up to 75 amps per pole, providing efficient power capabilities.

Optional SMT Seats can be utilized to attach one or more 1-Pole BMC 075 connectors, and the seats can then be securely screwed to the PCB substrate. Moreover, the optional Lock-pins can be employed to ensure proper BMC alignment, further enhancing stability.

The Single-Pole BMC 075 (Medium) connectors are versatile and can be used for various wire-to-wire and wire-to-board applications. With their support for a broad range of wire sizes and the ability to handle up to 75 amps per pole, these connectors offer reliable and efficient power connectivity.

The Single-Pole BMC 120 (Medium-large) connectors are engineered to provide robust and reliable power connections, offering exceptional performance in demanding applications. With a focus on efficiency and versatility, these connectors are designed to accommodate wires up to 2 AWG (38 mm²) in size while supporting current up to an impressive 120 amps.

Contacts:
BMCMS14AG 1-Pole 120 Contact 080A
BMCMS22AG 1-Pole 120 Contact 100A
BMCMS38AG 1-Pole 120 Contact 120A

Housing Colors:
Black, Blue, Green, Grey, Red, White & Yellow

Key Features:

• Accommodates up to 2 AWG (38 mm²) wires: These connectors are built to handle large-size wires, ensuring seamless power transmission in high-power applications.
• High Current Handling: The Single-Pole BMC 120 connectors are capable of handling currents of up to 120 amps, making them suitable for power-intensive operations.
• Secure and Efficient Contacts: The BMCMS14AG, BMCMS22AG, and BMCMS38AG 1-Pole 120 contacts offer varying current ratings, catering to diverse power requirements. They provide secure and reliable connections, ensuring minimal resistance and optimal electrical efficiency.
• Durable Construction: The connectors are designed to withstand harsh environmental conditions and frequent usage, delivering long-lasting performance in challenging environments.

Applications: The Single-Pole BMC 120 connectors find wide-ranging applications in industries such as automotive, industrial equipment, renewable energy systems, power distribution, and many more. They are an ideal choice for power connections requiring high current capacities and robust performance.

Whether it’s for wire-to-wire or wire-to-board applications, the Single-Pole BMC 120 (Large-Medium) connectors provide a dependable solution to meet demanding power connectivity needs.

In conclusion, the Single-Pole BMC 120 (Large-Medium) connectors offer a reliable and efficient power connection solution, accommodating larger wire sizes and handling substantial current loads. With a range of high-quality contacts available, these connectors are well-suited for diverse applications where power efficiency and reliability are crucial.

The Single-Pole BMC 180 (Large) connectors are the largest of the Single-Pole BMC housing series, offering a combination of power handling capabilities and robust design. These connectors are specifically engineered to accommodate large wire sizes, with the ability to handle up to 1/0 (60 mm²) wires. With a current handling capacity of up to 230 amps, these connectors are a reliable solution for high-power applications.

Contacts:
BMCM14AG 1-Pole 180 Contact 080A
BMCM22AG 1-Pole 180 Contact 125A
BMCM38AG 1-Pole 180 Contact 150A
BMCM60AG 1-Pole 180 Contact 175A

Housing Colors:
Black, Blue, Green, Grey, Red, White & Yellow

Key Features:

• Accommodates up to 1/0 (60 mm²) wires: The Single-Pole BMC 180 connectors are designed to handle the most demanding power requirements, accommodating large wire sizes with ease.
• High Current Handling: With an impressive current handling capacity of up to 230 amps, these connectors ensure efficient power transmission even in applications requiring substantial power.
• Color-Coded Housings: The connectors are equipped with color-coded housings, allowing for easy identification and matching of connectors. This feature helps users avoid potentially cross-mating circuits, ensuring safe and accurate connections.
• Durable and Reliable Contacts: The BMCM14AG, BMCM22AG, BMCM38AG, and BMCM60AG 1-Pole 180 contacts offer varying current ratings to cater to a wide range of power needs. These contacts provide reliable and low-resistance connections, contributing to overall efficiency and performance.

Applications: The Single-Pole BMC 180 (Large) connectors find versatile applications in various industries, including industrial machinery, renewable energy systems, electric vehicles, power distribution, and more. They are the go-to choice for applications demanding high power capacities, robustness, and secure connections.

Whether in wire-to-wire or wire-to-board setups, the Single-Pole BMC 180 (Large) connectors provide a dependable solution for high-power applications, ensuring efficient power delivery and reliable performance.

In conclusion, the Single-Pole BMC 180 (Large) connectors stand as a formidable choice for demanding power connectivity requirements. Designed to handle large wire sizes and high currents, these connectors deliver superior performance in various industries. The color-coded housings offer added convenience, making it easier for users to identify and match connectors accurately. For reliable, efficient, and secure power connections, the Single-Pole BMC 180 (Large) connectors are the ideal choice.