Siemens 6GK1500 PROFIBUS Connector Modules - 6GK1500-0FC10

Technical Dossier

Product Details And Specifications

Siemens 6GK1500 Series Technical Notes

The Siemens 6GK1500 series represents the standard PROFIBUS DP bus connector range deployed across global heavy industry. These connectors form the physical layer interface between PROFIBUS DP field devices and the network trunk cable, operating at data rates from 9.6 kbit/s up to 12 Mbit/s. The 6GK1500 family is installed in tens of thousands of process plants worldwide, including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, and continuous casting steel mills. Their 35° and 90° cable exit variants accommodate both panel-mount and field-device installation geometries. The series is fully compliant with IEC 61158 and EN 50170 PROFIBUS standards and is interoperable with all Siemens SIMATIC S7, S5, and third-party PROFIBUS DP masters.

The Evolution of 6GK1500 Architecture

The 6GK1500 connector series was introduced alongside the PROFIBUS DP standard in the early 1990s as Siemens standardized its fieldbus infrastructure for SIMATIC S5 and early S7 platforms. The original designs used screw-terminal cable connections and supported data rates up to 1.5 Mbit/s. Subsequent revisions introduced Fast Connect (FC) insulation displacement technology, eliminating the need to strip individual conductors and reducing installation time by approximately 70%. The FC variants — identifiable by the "-0FC" suffix — became the dominant deployment standard from the mid-2000s onward. Integrated termination resistors (switchable on/off) were incorporated to allow end-of-line bus termination without external components. Later variants added PG/PC sockets (Sub-D 9-pin female) for direct programming device connection without interrupting the bus. The series remains in active production as of 2026, though several early non-FC variants are now discontinued and require specialist sourcing. Compatibility is maintained across all hardware generations: a 6GK1500-0FC10 installed in 1998 is electrically and mechanically interchangeable with a unit manufactured in 2024.

6GK1500 Full Catalog & Functionalities (SKU List)

PROFIBUS DP Bus Connectors — Standard & Fast Connect

6GK1500-0EA02: Bus connector 12 Mbit/s, 35° cable exit, screw terminals, without PG socket.
6GK1500-0FC00: Bus connector 12 Mbit/s, 35° cable exit, Fast Connect, without PG socket.
6GK1500-0FC10: Bus connector 12 Mbit/s, 35° cable exit, Fast Connect, with PG socket (Sub-D 9F).
6GK1500-0FB00: Bus connector 12 Mbit/s, 90° cable exit, Fast Connect, without PG socket.
6GK1500-0FB10: Bus connector 12 Mbit/s, 90° cable exit, Fast Connect, with PG socket (Sub-D 9F).
6GK1500-0DA00: Bus connector 1.5 Mbit/s, 35° cable exit, screw terminals, without PG socket.
6GK1500-0DA10: Bus connector 1.5 Mbit/s, 35° cable exit, screw terminals, with PG socket.
6GK1500-0DB00: Bus connector 1.5 Mbit/s, 90° cable exit, screw terminals, without PG socket.
6GK1500-0DB10: Bus connector 1.5 Mbit/s, 90° cable exit, screw terminals, with PG socket.
6GK1500-0FC00-8AA0: Bus connector 12 Mbit/s, 35° exit, FC, axial cable entry variant for confined spaces.
6GK1500-0FC10-8AA0: Bus connector 12 Mbit/s, 35° exit, FC, with PG socket, axial cable entry.
6GK1500-0EA00: Bus connector 12 Mbit/s, 35° cable exit, screw terminals, without PG socket (early revision).
6GK1500-0EA10: Bus connector 12 Mbit/s, 35° cable exit, screw terminals, with PG socket (early revision).
6GK1500-0EB00: Bus connector 12 Mbit/s, 90° cable exit, screw terminals, without PG socket.
6GK1500-0EB10: Bus connector 12 Mbit/s, 90° cable exit, screw terminals, with PG socket.
6GK1500-0GC10: Bus connector 12 Mbit/s, 35° exit, FC, IP65-rated housing for harsh environments.
6GK1500-0GC20: Bus connector 12 Mbit/s, 90° exit, FC, IP65-rated housing for harsh environments.