KST’s Battery Modular Connectors (BMC) – 1 Pole Connectors support a wide range of power connection requirements. KST’s 1-Pole Series comes in four housing sizes, and support a wide range of amperage and standard wire sizes in a compact yet customizable key form factor. For currents up to 230A and from wire sizes of #20 AWG (0.75 mm²) to 1/0 (60 mm²). Housing comes in a wide range of colors and can be stacked vertically and horizontally to create a customized key connector. These housings can be used with different contacts to create wire-to-wire, wire-to-board, wire-to-device, or board-to-board connections.
Precision Contact Alignment & Swiping
Provides high current throughput with minimal contact resistance. Swiping action cleans contact surfaces during connection/disconnection.
Standardized Genderless Housing
Provides quick and easy assembly and swapping. Reduces required stock and critical inventory.
Silver plated contacts (Tin plated contacts on reel also available) for use with 1-pole 045 (Small) housing.
Provides long life even when subjected to applications requiring high power resulting in elevated temperatures.
Large Range of Colored housings
Allows flexible deployment of your internal requirements and helps ensure connectors are safely assembled and mated correctly.
Modular Slotted Connector
Allows you to quickly stack multiple modules horizontally and/or vertically.
BMC 1-Pole Modular Ground Connector
Modular Green housing provides clear & concise visual identification of the ground terminal. KST 1-Pole Ground Connectors are ground terminals designed for make-first/break-last connections. They provide six hundred Volts continuous, AC or DC operation. Wire sizes range from #16 to #14 (1.25 to 2.1 mm²). Can be assembled with standard KST 1-Pole 045 (Small)
Chemical Resistant Housings (Medium)
The Chemical Resistant (CR) line of connectors was 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 extended temperature range. The CR connectors are ideal for a variety of industries that include Automotive, Industrial, and Personal Mobility.
UL94 V-2 (Small)/ UL94 V/0 (Medium/Medium-large/Large) PC housing material
Deploy with confidence knowing that KST connectors meet strict flammability ratings.
045 Housing Series (Small): up to 45 Amps
KST® 1 Pole Connectors 045 Series is the smallest KST 1-pole housing. They can be used for wire-to-wire or wire-to-board applications. Wire sizes from #20 AWG (0.75 mm²) to #12 (4 mm²) offer power capabilities up to 45 amps per pole. Finger groove-matched housings and the ability to incorporate first-mate last-break ground connectors enhance the capabilities of this KST series.
075 Housing Series (Medium): up to 75 Amps
KST® 1 Pole Connectors 075 Housing Series can be used for wire-to-wire, wire-to-board, and wire-to-busbar applications. Wire sizes from #12 AWG (6 mm²) to #6 (14 mm²) offer power capabilities up to 75 amps per pole. Housings with locking slot offer the capability to secure KST housings to each other and to mounting pads.
120 Housing Series (Medium-large): up to 120 Amps
KST® 1 Pole Connectors 120 Housing Series are designed to accommodate up to 2 AWG (38 mm²) wires and handle high currents up to 120 amps.
180 Housing Series (Large): up to 175 Amps
KST® 1 Pole Connectors 180 Housing Series are the largest of the KST 1-Pole Series housings. They are designed to accommodate up to 1/0 (60 mm²) wires and handle high currents up to 230 amps. Busbar contacts are also available for power inputs and takeoffs. Color-coded housings minimize user confusion and the potential of cross-mating circuits.
KST 2/4/6 Cluster Housing/Shell Plugs cover horizontally stacked KST® 1 Pole 045 Housing Modules (Small Modules) in a protective ergonomic form factor. This series of cluster housing/shell plugs are available in 2, 4, 6 configurations for inline wire-to-wire applications. Key to this series of housings is the optional availability of fail-safe poka-yoke modular keys; as well as optional modular wings for PCB panel mounting. 2-Pole Cluster Housing/Shell Plugs come with locking-pin latches. 4 & 6- Pole Cluster Housing/Plug shells come in two variations, with and without integrated latches.
Cluster (2, 4 & 6) Housing/Shell Plug without Latch
Can mate in line with other cluster plug shells with or without latches, or mate to a panel mount receptacle. For use with KST wire connectors only. Cluster Plug shells do not come with cable clamps, or locking Pins.
Cluster (2, 4 & 6) Housing/Shell Plug with Latch
Can mate in line with other cluster plug shells without latches, or mate to a panel mount receptacle. For use with KST wire connectors only. Cluster Plug shells do not come with cable clamps or locking Pins.
Cluster Housing/Shell Plug with Latch & Non-Conductive Strain Relief
2X3 KST Pak offers an improved ergonomic shell for easier latch operation as well as a plastic, non-conductive strain relief. The strain relief can accommodate up to a six conductor #10 AWG cable. Can mate to a panel mount receptacle. For use with KST wire connectors only. Cable Clamp and Hardware Pak or Retaining Pins must be ordered separately.
This table column shows the current product offerings which include male and female copper contacts, plated with tin or silver.
TIn plating advantages include good corrosion resistance, ductility, and solderability. Because of its low transfer resistance, it is also commonly used in the electric and electronic industries. Under the tin coating, a mid-layer of copper or nickel (3-6µm) is used to prevent the mixing of base material and coating.
Silver plating is a very popular choice for many industries including medical, electronics, telecommunications, automotive, and many more. Silver plating exhibits excellent anti-galling properties, high lubricity, a wide operating temperature range, good corrosion resistance, and exceptional conductivity.
Copper is a good conductor and is malleable. It is often used in combination with other materials such as stainless steel to achieve a greater operating temperature range while providing increased tensile strength and durability.
Brass materials support connection temperatures of 110°C. Unplated brass is often used in optimal environments and application conditions.
Copper Alloy materials support connection temperatures of over 120°C depending on the type. Unplated Copper Alloy is more expensive but provides a higher range of operating temperatures and malleability.
Phosphor Bronze materials support connection temperatures of 130°C. Phosphor bronze is used in applications where brass would normally be susceptible to corrosion, for example in subzero freezing environments or when ammonia is present.
Wire size is usually measured in American wire gauge (AWG), a standard for non-ferrous wire conductor sizes. The term “gauge” refers to the wire’s diameter. The higher the gauge number, the smaller the diameter and the thinner the wire. As a rule, thicker wire carries more current because there is less electrical resistance over a given length.
A.W.G. | 28(.08) | 26(.13) | 24(.02) | 22(.03) | 20(.05) | 18(.85) | 16(1.25) | 14(2.0) | 12(3.0) | 10(6.0) |
AMP (A) | 0.7 | 1 | 2 | 3 | 4 | 7 | 10 | 15 | 20 | 24 |
Wire size is usually measured in American wire gauge (AWG), a standard for non-ferrous wire conductor sizes. The term “gauge” refers to the wire’s diameter. The higher the gauge number, the smaller the diameter and the thinner the wire. As a rule, thicker wire carries more current because there is less electrical resistance over a given length.
A.W.G. | AMP (A) |
28(.08) | 0.7 |
26(.13) | 1 |
24(.02) | 2 |
22(.03) | 3 |
20(.05) | 4 |
18(.85) | 7 |
16(1.25) | 10 |
14(2.0) | 15 |
12(3.0) | 20 |
10(6.0) | 24 |
The stated current rating is the maximum the contact can carry continuously in optimum conditions. Cross-referencing supported AWG and terminal material offerings against AMP (A) will help you determine the optimal wire and contact combination whose derating factor matches your specified desired current carrying capacity).
KST has worked with many customers who have brought their wire harness projects to us, looking for a single housing solution to mate with their devices. Please browse our female housing wire-to-device portfolio to find a connector that is suitable for you.
KST has worked with many customers who have brought their wire harness projects to us, looking for a single housing solution to mate with their devices. Please browse our female housing wire-to-device portfolio to find a connector that is suitable for you.
For the past 50 years, KST has literally stamped its reputation as a leading global manufacturer of electrical terminals and automotive connectors.
At KST, we design and manufacture a huge range of automotive connectors that are engineered for reliability and undergo a battery of tests to ensure the transmission of power, and signal under extreme conditions. Our different types of connectors are designed to reduce application size and power usage while providing increased performance. Our automotive connectors are designed and built to withstand harsh conditions on the freeway as well as off-road. Across our portfolio of connectors, we offer robust solutions for ensuring connectivity in critical systems.
The Product Description Field is an important field containing a Product Series prefix as well as hierarchal product feature descriptions. These variables are important to understand and will help you find the product you are looking for.
This data header/column shows the current product offerings which may include male and female terminals, made from one or more of the following materials:
0 – Brass materials support connection temperatures of 110°C. Unplated brass is often used in optimal environments and application conditions.
1 – Copper Alloy materials support connection temperatures of over 120°C depending on the type. Unplated Copper Alloy is more expensive but provides a higher range of operating temperatures and malleability.
2 – Phosphor Bronze materials support connection temperatures of 130°C. Phosphor bronze is used in applications where brass would normally be susceptible to corrosion, for example in subzero freezing environments or when ammonia is present.
3 –Beryllium copper exhibits a wide range of properties, including:
4 – Copper is a good conductor and is malleable. It is often used in combination with other materials such as stainless steel to achieve a greater operating temperature range while providing increased tensile strength and durability.
5 – Stainless Steel is usually used in combination with other materials such as copper to achieve an operating temperature range and good conductivity while maintaining tensile strength and durability. High fatigue strength—also known as endurance strength—making it suitable for heavy cyclic load applications
Wire size is usually measured in American wire gauge (AWG), a standard for non-ferrous wire conductor sizes. The term “gauge” refers to the wire’s diameter. The higher the gauge number, the smaller the diameter and the thinner the wire. As a rule, thicker wire carries more current because there is less electrical resistance over a given length.
A.W.G. | 28(.08) | 26(.13) | 24(.02) | 22(.03) | 20(.05) | 18(.85) | 16(1.25) | 14(2.0) | 12(3.0) | 10(6.0) |
AMP (A) | 0.7 | 1 | 2 | 3 | 4 | 7 | 10 | 15 | 20 | 24 |
Wire size is usually measured in American wire gauge (AWG), a standard for non-ferrous wire conductor sizes. The term “gauge” refers to the wire’s diameter. The higher the gauge number, the smaller the diameter and the thinner the wire. As a rule, thicker wire carries more current because there is less electrical resistance over a given length.
A.W.G. | AMP (A) |
28(.08) | 0.7 |
26(.13) | 1 |
24(.02) | 2 |
22(.03) | 3 |
20(.05) | 4 |
18(.85) | 7 |
16(1.25) | 10 |
14(2.0) | 15 |
12(3.0) | 20 |
10(6.0) | 24 |
The stated current rating is the maximum the contact can carry continuously in optimum conditions. Cross-referencing supported AWG and terminal material offerings against AMP (A) will help you determine the combination of wire and terminal you will need to achieve the derating factor. The terminal derating factor is applied to reduce your specified cable’s current carrying capacity).
KST has worked with many customers who have brought their wire harness projects to us, looking for a single housing solution to mate with their devices. Please browse our female housing wire-to-device portfolio to find a connector that is suitable for you.
KST has worked with many customers who have brought their wire harness projects to us, looking for a single housing solution to mate with their devices. Please browse our female housing wire-to-device portfolio to find a connector that is suitable for you.