General
IEC-amperage	16
Number of poles	4
Voltage acc. EN 60309-2	400 V (50+60 Hz) red
Clock hour position	6
Identification colour	Red
RAL-number	3000
Degree of protection (IP)	IP44
Connection system	Screw less terminal
Angle of plug	Straight
Cable entry	Swivel
Material	Plastic
Military model

The Bals coupling QUICK-CONNECT type 3130 is an industrial plug connector for use in electrical installations with a rated voltage of 400 V (50/60 Hz) and a current rating of 16 A. The device features a 4-pole configuration (3P+PE) and is marked with a red identification colour (RAL 3000), which according to EN 60309-2 corresponds to the voltage class 400 V. The clock position is 6, defining its positioning within the plug system. The protection class IP44 ensures protection against solid foreign objects and splashing water, making the coupling suitable for use in indoor environments as well as in slightly damp conditions.

Applications

The coupling is designed for use in industrial and commercial installations, particularly in areas where a secure and fast power supply is required. It is suitable for applications such as machine tools, production systems, lighting systems, or temporary power supplies, where a robust and reliable connection is necessary. The IP44 protection class also makes it suitable for outdoor use, provided there is no direct rainfall or strong water spray.

Functions and Equipment in Detail

The coupling features a screwless spring clamp technology, specifically implemented as a cage spring clamp with Kontex contact. This technology enables a quick and secure cable connection without additional tools. The maximum conductor cross-section is 2.5 mm², which is sufficient for most industrial applications. The contacts are made of bare brass, ensuring high electrical conductivity and corrosion resistance. The contact carrier is made of polyamide, a heat- and chemical-resistant plastic that ensures mechanical stability and insulation properties.

Technology Explained Simply

The screwless clamp technology operates via a cage spring mechanism that automatically tightens the conductor as soon as it is inserted into the clamp. This reduces installation time and minimizes error sources. The integrated strain relief protects the cable from mechanical stress caused by pulling or torsion. The cable entry is via a MULTI-GRIP cable gland, designed for cables with a diameter of 8 mm to 18 mm. The cable gland is green (RAL 6002), while the remaining housing parts, including the hinged cover, collar, and housing cap, are red (RAL 3000).

Compatibility and Accessories

The coupling is compatible with the matching plug 2130, also from Bals, which also features QUICK-CONNECT technology with MULTI-GRIP cable gland. The combination enables a secure and fast connection within the CEE system. The housing parts are connected without screws via a snap-lock mechanism, ensuring secure assembly. Opening the housing is only possible with a screwdriver, preventing unintended opening.

Mounting and Installation

Installation is performed by inserting the cable into the cable gland and then tightening the gland. The screwless clamp technology allows connecting the conductor without tools. The coupling is designed for straight insertion, ensuring a direct and stable connection. Dimensions are 162 mm (height), 60 mm (width), and 79 mm (depth), enabling placement in standard installations.

Operational Advantages

The coupling provides a reliable electrical connection with minimal maintenance effort. The screwless clamp technology reduces installation time and minimizes the risk of contact errors. The integrated strain relief protects the cable and extends the connection's service life. The IP44 protection class ensures a high level of protection against environmental influences, increasing operational safety. The clear red identification colour (RAL 3000) allows easy identification of the voltage class within the system.

Housing and Materials

The housing is made of polyamide, a robust and heat-resistant plastic suitable for industrial applications. The colour scheme is uniformly red (RAL 3000) for all housing parts, except for the cable gland, which is green (RAL 6002). The screwless connection of housing parts via a snap-lock mechanism ensures secure assembly and prevents unintended opening.

Connection Technology and Cable Gland

The connection technology is based on a screwless spring clamp that automatically tightens the conductor. The cable gland is of MULTI-GRIP design and provides secure fastening for cables with a diameter of 8 mm to 18 mm. The integrated strain relief protects the cable from mechanical stress.

Protection Class and Operating Conditions

The protection class IP44 protects against solid foreign objects larger than 1 mm and against splashing water from any direction. This makes the coupling suitable for use in indoor environments as well as in slightly damp conditions.

Compatibility with Plugs

The coupling is designed for use with the matching plug 2130, which also features QUICK-CONNECT technology with MULTI-GRIP cable gland. The combination enables a secure and fast connection within the CEE system.