Phoenix Contact PLC-RPT-110UC/21AU/RW Relay Module

$ 75.21

Phoenix Contact PLC-RPT-110UC/21AU/RW relay module ensures reliable railway-grade switching with compact design, gold contacts, and wide voltage range.

Product Description

Phoenix Contact PLC-RPT-110UC/21AU/RW Relay Module – Compact Railway-Grade Reliability

The Phoenix Contact PLC-RPT-110UC/21AU/RW relay module is built for high-reliability switching in railway and industrial control systems. With a nominal input of 110 V DC and wide operating voltage tolerance, it ensures dependable performance even under fluctuating supply conditions. The module provides strong isolation between coil and contact circuits, safeguarding sensitive electronics. Certified for shock and vibration resistance, it operates effectively across extreme temperature ranges from -40°C to +70°C. Its push-in connection design reduces installation time, while the slim 6.2 mm profile allows dense packing in control cabinets, supporting modern space-efficient rail automation systems.

The PLC-RPT-110UC/21AU/RW combines rugged design with advanced features to deliver consistent performance in demanding environments. Its gold-plated contacts maintain reliable signal transfer even at low currents, reducing risk of signal loss or corrosion. For operators, this means long service life and fewer maintenance interventions. Integrated protective circuitry enhances system safety, while the LED status indicator simplifies monitoring and troubleshooting. The compact housing not only saves valuable panel space but also supports flexible DIN rail mounting. With proven certification for railway standards, this relay module is an excellent solution for applications requiring robust, safe, and maintenance-friendly switching technology.

Why choose Phoenix Contact PLC-RPT-110UC/21AU/RW?
The Phoenix Contact PLC-RPT-110UC/21AU/RW stands out for its railway-certified reliability, slim design, and maintenance-friendly push-in connections. With its ability to perform under extreme temperatures, shocks, and vibrations, it ensures long-lasting performance in demanding environments. Its compact size saves space, while the integrated protective features simplify installation and keep systems running with minimal downtime.

What problem does it solve?
This relay module solves the challenge of reliable signal switching in harsh, high-vibration, and temperature-variable environments. Traditional relays may fail under such conditions, but this model’s gold-plated contacts and protective circuitry ensure secure, corrosion-resistant operation. It reduces maintenance costs, ensures consistent system uptime, and provides safe electrical isolation, making it ideal for railway and industrial automation systems.

 


Key Features & Specifications – Phoenix Contact PLC-RPT-110UC/21AU/RW: 2900323

Feature Details Benefit
Application Railway and harsh industrial environments Reliable performance in vibration, shock, and EMC-sensitive systems
Nominal Input Voltage 110 V DC (range 77–137.5 V DC) Wide tolerance for fluctuating supply voltages
Temperature Range -40 °C to +70 °C (short-term up to +85 °C) Reliable operation in extreme climate conditions
Contact Switching 1 changeover contact (AgSnO, gold-plated) Secure, corrosion-resistant connections with long service life
Housing Width 6.2 mm Slim profile saves space in control cabinets
Connection Type Push-in connection Fast, tool-free installation and maintenance
Service Life Approx. 20 million mechanical cycles Long-lasting reliability in continuous operation
Standards & Certification EN 50155, EN 61373, CE, UKCA Meets railway and international safety standards
Protective Features Freewheeling diode, RCZ filter, LED indicator Prevents damage, supports easy monitoring, and ensures system safety
Mounting DIN rail mounting, zero spacing possible Flexible installation in modern automation panels

Download Phoenix Contact PLC-RPT-110UC/21AU/RW 2900323 Datasheet

 


Commercial Information – Phoenix Contact PLC-RPT-110UC/21AU/RW: 2900323

Commercial Data Details
GTIN Number 4046356510066
Customs / Tariff Number 85364900
Weight per Piece 33.67 g
Country of Origin Germany (DE)

 


The Applications of Phoenix Contact PLC-RPT-110UC/21AU/RW

1. Railway Signal Interlocking Systems

In rail networks, signal interlocking prevents unsafe train movements by controlling switches and track routes. The PLC-RPT-110UC/21AU/RW relay module acts as a dependable logic interface, ensuring signals are correctly switched without error. Its vibration and shock resistance make it suitable for cabinets installed near tracks where mechanical stress is constant. The gold-plated contacts maintain signal accuracy, even with minimal current, helping to safeguard the integrity of critical safety circuits over long service lifetimes.

2. Automated Level Crossing Control

Level crossing barriers must operate with absolute precision when a train is detected. This relay module provides the reliable isolation needed between track sensors, warning lights, and barrier drive systems. The integrated protective circuitry absorbs voltage spikes from motors and inductive loads, preventing electronics damage. Quick push-in wiring shortens maintenance downtime, ensuring crossing gates remain functional with minimal disruption. Its robust housing and extended temperature range further guarantee safe, consistent performance in outdoor installations.

3. Onboard Rail Vehicle Control Panels

Modern trains carry numerous subsystems—doors, climate regulation, lighting, and passenger safety controls. Within tight control cabinets, space is critical. The PLC-RPT relay module, with its 6.2 mm slim profile, allows engineers to fit more functions into compact enclosures. Its tolerance for fluctuating DC supply voltages ensures reliable operation despite the power instability common in rail vehicles. Certified resistance to shock, vibration, and heat extremes ensures long-term dependability during continuous operation in demanding travel conditions.

4. Track Circuit Monitoring and Safety Feedback

Track circuits monitor train presence by detecting electrical continuity along the rails. A failure in this system can disrupt signaling reliability. The relay module helps supervise these circuits by switching auxiliary lines or fault alarms with precision. Its multi-layer gold contacts provide stable, low-resistance switching over time, avoiding false alarms caused by contact wear. The galvanic isolation between coil and contacts prevents electrical noise interference, supporting consistent and safe communication in rail signaling networks.

 


Related Products & Accessories – Phoenix Contact PLC-RPT-110UC/21AU/RW

Category Model Part Number Description / Benefit
Relay Accessories REL-MR-60DC/21AU 2961134 Plug-in miniature relay, 1 changeover contact, 60 V DC – compatible insert for PLC base units
Bridges FBST 500-PLC RD 2966786 Continuous plug-in bridge, 500 mm, red – distributes potentials across modules
FBST 500-PLC BU 2966692 Continuous plug-in bridge, 500 mm, blue – clear wiring separation
FBST 6-PLC RD 2966236 Single plug-in bridge, 2 positions, red – compact bridging solution
FBST 6-PLC BU 2966812 Single plug-in bridge, 2 positions, blue – easy voltage identification
FBST 6-PLC GY 2966825 Single plug-in bridge, 2 positions, gray – neutral bridging option
FBST 8-PLC GY 2967688 Single plug-in bridge, 2 positions, gray, 8 mm – for tight spaces
Terminal Block Markers ZB 6:UNBEDRUCKT 1051003 White unmarked marker strip – for custom labeling
ZB 6 CUS 0824992 Custom printed marker strip – customer-specific labeling
ZB 6,LGS:FORTL.ZAHLEN 1051016 Marker strip with consecutive numbering – simplifies wiring
ZB 6,LGS:L1-N,PE 1051414 Pre-labeled marker strip (L1, L2, L3, N, PE) – standardized marking
ZB 6,LGS:U-N 1051430 Marker strip (U, V, W, N, GND) – for 3-phase and grounding
DIN Rails & Mounting NS 35/7.5 PERF 2000MM 0801733 Steel DIN rail, perforated – standard mounting
NS 35/7.5 UNPERF 2000MM 0801681 Steel DIN rail, unperforated – smooth surface installation
NS 35/7.5 AL UNPERF 2000MM 0801704 Aluminum DIN rail, unperforated – lightweight mounting option
NS 35/7.5 CAP 1206560 DIN rail end cap – safe and tidy termination
Separating Plate PLC-ATP BK 2966841 2 mm plate – safe isolation of different voltages in PLC relay rows
Power Accessories PLC-ESK GY 2966508 Power terminal block – input of up to 4 potentials
Tools SZF 1-0,6X3,5 1204517 Screwdriver 0.6 × 3.5 mm – tool for terminal block actuation

 


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