UL-approved M12 K and L cable connectors for power

UL-approved M12 K and L cable connectors for power

New Products |
By Nick Flaherty

Binder in Germany is expanding its M12 connectors with K- and L-coded overmolded cable connectors of the 823 and 824 series, which were developed according to the coming UL 2238 specification.

The binder M12 connectors are primarily intended for use in the power supply of field devices in automation technology. Here, the transmission of electrical power via compact M12 interfaces has become a fundamental requirement and the M12 connectors provide a compact alternative to power connections using 7/8-inch technology.

The K-coding indicates 5-pin connectors for AC supply of e.g., drives or frequency converters. Target applications for the 5-pin connectors with L-coding include DC miniature drives, decentralized I/O modules, and other automation components that are supplied with DC voltage in field bus systems.

The K-coded products of the binder 824 series with screw locking support currents up to 12 A per pin under continuous load at rated voltages of 630 Vac. The L-coded products in the 823 series have a rated current of 16 A and a rated voltage of 63 V (DC). Gold-platedcontacts guarantee reliable current transmission. The fully overmolded connectors ensure protection of the interface according to IP68.

The rapid and seamless introduction of new products to the markets of different world regions is an increasingly important competitive demand. Export to North America, for example, requires conformity to US safety regulations. This in turn can be proven by certification from a qualified and recognized test laboratory.

With the UL approval from Underwriters Laboratories, manufacturers of electromechanical connectivity products can prove that their components meet the safety requirements for North America. Interfaces designed for rated currents up to 16 A and rated voltages up to 630 V require approval according to UL 2238 which is currently in preparation.

The K- and L-coded overmolded M12 cable connectors were developed in conformance with IEC 61076-2-11 for use in industrial-automation environments. This is used for IP68-compliant interfaces feature a protected seal within the M12 socket, and the M12x1 thread is equipped with an anti-vibration lock. Connection cross-sections up to 2.5 mm2 are available.

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