During technical comparisons, PLC-BSC-230UC-21-21 appears alongside SMPS Phoenix, Phoenixcontact Ecor 2 Bsc2 Rt 2X21 and Phoenixcontact Phoenix Contact Industrial Ethernet Switches so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Phoenix PLC-BSC-230UC/21-21 Relay Socket
The Phoenix PLC-BSC-230UC/21-21 Relay Socket (Part No: 2967044 ) offers a Screw connection method, 0.14 mm² ... 2.5 mm² conductor cross section rigid, 0.14 mm² ... 2.5 mm² conductor cross section flexible, DIN rail mounting mounting type. Manufactured by Phoenix under the Phoenix Relay Socket category, this model belongs to the Phoenix PLC Series.
| Brand | Phoenix Contact |
| Product Type | Relay Socket |
| Model Number | PLC-BSC-230UC/21-21 |
Phoenix PLC-BSC-230UC/21-21 Relay Socket – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay socket |
| Product family | PLC-INTERFACE |
| Connection method | Screw connection |
| Stripping length | 8 mm |
| Screw thread | M3 |
| Conductor cross section rigid | 0.14 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.14 mm² ... 2.5 mm² |
| Width | 14 mm |
| Height | 80 mm |
| Depth Retaining bracket | - |
| Color | gray (RAL 7042) |
| Ambient temperature (operation) | -40 °C ... 55 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Mounting type | DIN rail mounting |
| Mounting position | any |
| Application | Universal |
| Protective circuit | Bridge rectifier |
| Nominal input voltage UN | 230 V AC/DC |
| Conductor cross section AWG | 26 ... 14 |
| Tightening torque | 0.6 Nm ... 0.8 Nm |
| Status display | LED |
| Depth | 94 mm |
| Flammability rating according to UL 94 | V0 (Housing) |
| Enclosure Low | Required protection according to the Rules shall be provided upon installation on board |
| Low Voltage Directive | Conformance with Low Voltage Directive |
| Electromagnetic compatibility | Conformance with EMC directive |
| Compatible components | Miniature relay, REL-MR-110DC/21-21AU, REL-MR-110DC/21-21 |
| Maximum switching voltage | - |
| Voltage range with reference to US | - |
The Phoenix Contact PLC-BSC-230UC/21-21 relay socket is a compact and reliable solution for 230 V AC/DC signal switching in industrial control environments. Built as part of the PLC-INTERFACE series, it features a trusted screw connection method with M3 threads, supporting rigid and flexible conductors from 0.14 mm² to 2.5 mm². The compact design, with a 14 mm width and 80 mm height, is ideal for narrow DIN rail spaces where layout optimization is essential. The housing, finished in gray (RAL 7042), maintains a professional appearance inside control panels. Its operational temperature range spans -40 °C to +55 °C, ensuring dependable functionality in varied industrial environments, from climate-controlled buildings to high-temperature factory floors.
Equipped with a built-in bridge rectifier as the protective circuit, this relay socket simplifies AC/DC polarity concerns and enhances electrical protection during operation. It includes a yellow LED status indicator for immediate visual feedback on relay operation. The socket conforms to UL 94 V0 flammability standards and meets both the Low Voltage Directive and EMC directive, ensuring safety and compliance with international regulatory frameworks. A 94 mm depth allows structured routing of wires and easier access for maintenance personnel during installation or replacement tasks.
This relay socket is widely used in signal-level switching, control circuit isolation, and PLC-driven automation systems across sectors such as power distribution, machine building, HVAC, and packaging. Its screw-type terminals offer firm contact reliability, making it ideal for environments prone to vibration or where long-term stability is critical. Maintenance teams appreciate the tool-free DIN rail mounting and LED diagnostics that reduce troubleshooting time. For engineering students and professionals learning relay logic and industrial I/O design, the PLC-BSC-230UC/21-21 serves as a robust hands-on example. To browse more industrial relay base options, visit the Phoenix Relay section, or learn more about the brand at Phoenix Contact on IndMALL.
