2026 Edition: PLC-RSC- 48DC/21 | Phoenix Contact Interface Relay Module
The PLC-RSC- 48DC/21 is a professional-grade relay
interface module from the Phoenix Contact PLC-INTERFACE series.
Engineers utilize this high-reliability unit for efficient signal
switching and electrical isolation in sophisticated industrial
automation and control cabinet environments. Furthermore, this
PLC-RSC- 48DC/21 model features a compact 6.2 mm
housing to ensure seamless integration in high-density DIN rail
layouts. It also provides high-stability switching for
mission-critical automation loops. Consequently, it remains an
essential component for experts who maintain system logic integrity
and high-performance signal conditioning in modern manufacturing architectures.
Enhanced Operational Efficiency and Interface Reliability
In addition to advanced sensory precision, the PLC-RSC- 48DC/21
supports rapid deployment via integrated screw connection technology
and high-speed wiring bridges. This feature offers a significant
reduction in system configuration and field commissioning time. The
relay features a robust, industrial-grade construction to withstand
the intense conditions of modern processing floors. Moreover, the
PLC-RSC- 48DC/21 complies with international
quality standards and Phoenix Contact’s rigorous testing protocols.
Therefore, facility operators achieve superior system transparency
and reduce the risk of switching-related downtime across their
automated production lines.
| Technical Feature | Specification |
|---|---|
| Model Number | PLC-RSC- 48DC/21 |
| Nominal Input Voltage | 48V DC |
| Connection Method | Screw Connection |
Global Inventory Benefits
Selecting the authentic PLC-RSC- 48DC/21 ensures that
your interface infrastructure maintains full hardware compatibility
and regulatory compliance. We guarantee that our stock is 100%
brand new and factory-sealed. This high-standard inventory meets
every industrial requirement for high-demand signal switching. As a
result, users benefit from a lower total cost of ownership.
Furthermore, our specialized logistics ensure that your
PLC-RSC- 48DC/21 is ready for immediate dispatch
to support your mission-critical control loops.
Inquire for PLC-RSC- 48DC/21 Pricing & Stock
Looking for competitive pricing on original Phoenix Contact interface relays? Contact our team for current availability and a professional technical quote.
Technical Standards: Official Reference
Contact Us: Request a Quote for PLC-RSC- 48DC/21 Now







