Phoenix ECOR-2-BSC2-RT/4X21 Relay Socket
The Phoenix ECOR-2-BSC2-RT/4X21 Relay Socket (Part No: 2908214 ) offers a Bolt connection method, 2x 0.2 mm² ... 2.5 mm² (without ferrule) conductor cross section rigid, 2x 0.2 mm² ... 2.5 mm² (without ferrule) 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 | ECOR-2-BSC2-RT/4X21 |
Phoenix ECOR-2-BSC2-RT/4X21 Relay Socket – Technical Specifications
| Specification | Value |
|---|---|
| Product type | Relay socket |
| Product family | ESSENTIAL edition |
| Nominal voltage UN | 250 V AC/DC |
| Nominal current IN | 5 A |
| Connection method | Bolt connection |
| Stripping length | 8 mm |
| Screw thread | M3 |
| Conductor cross section rigid | 2x 0.2 mm² ... 2.5 mm² (without ferrule) |
| Conductor cross section flexible | 2x 0.2 mm² ... 2.5 mm² (without ferrule) |
| Width | 29.8 mm |
| Height | 64.9 mm |
| Depth Retaining bracket | 63 mm (ECOR-RHM-2) |
| Color | traffic grey B (RAL 7043) |
| Ambient temperature (operation) | -25 °C ... 55 °C |
| Ambient temperature (storage/transport) | -25 °C ... 55 °C |
| Mounting type | DIN rail mounting |
| Mounting position | any |
| Status display | - |
| Depth | - |
| Flammability rating according to UL 94 | - |
| Enclosure Low | - |
| Voltage range with reference to US | - |
The Phoenix Contact ECOR-2-BSC2-RT/4X21 is a reliable relay socket designed for tough industrial environments, offering a secure bolt-type connection and M3 screw thread that minimizes vibration issues in control panels. Operating at a nominal voltage of 250 V AC/DC with a nominal current rating of 5 A, this socket ensures safe electrical continuity for relays. It belongs to Phoenix Contact’s ESSENTIAL edition product line and supports both rigid and flexible conductors with cross-sections of 2x 0.2 mm² to 2.5 mm² without ferrules, simplifying installation in industrial cabinets. The traffic grey B (RAL 7043) housing blends seamlessly into modern panel layouts, and its 29.8 mm width and 64.9 mm height make it ideal for space-constrained applications. With a supported ambient temperature range of -25 °C to +55 °C and DIN rail mounting compatibility in any orientation, this relay socket delivers flexibility, safety, and long-term value in automation systems.
Backed by Phoenix Contact’s engineering reputation, the ECOR-2-BSC2-RT/4X21 model is trusted by electrical engineers, industrial panel builders, and maintenance teams across sectors. It provides fast installation, excellent mechanical stability, and low maintenance, meeting the demands of both small machine builders and large automation integrators. The use of bolt connection over spring-type terminals ensures that connection reliability remains consistent even in high-vibration zones like textile factories or material handling systems. These features make it a top choice when quality and connection integrity cannot be compromised.
In real-time industrial applications, this relay socket is commonly used in PLC-based relay banks, motor control circuits, and safety interlock panels. Its design supports quick replacement of relays during routine maintenance without disturbing adjacent wiring. Panel builders prefer the secure screw-terminal design when working in compact enclosures, especially in machinery with thermal expansion. Maintenance engineers value its long life and trouble-free reusability during periodic system upgrades or fault isolation. Engineering students and technical trainees also benefit from working with this relay socket in educational setups due to its clear terminal markings and simple, intuitive structure. For full details, visit the Phoenix Contact brand page or view more options in our Phoenix Relay section.
