Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The RDCO-04C is a versatile digital control relay from ABB’s RDCO series, designed for industrial automation, electrical control panels, and process monitoring systems. This relay combines precise control, reliability, and compact design to meet the demands of industrial environments.
The RDCO-04C features single-pole relay contacts with integrated load monitoring functionality. It is engineered to provide consistent performance under varying industrial conditions, including fluctuating voltage, temperature changes, and continuous operation. This relay is ideal for safety signaling, load management, and time-sequenced control in automation systems.
| Parameter | Description |
|---|---|
| Model | RDCO-04C |
| Part Number | 68882915 |
| Function | Digital Control Relay |
| Input Voltage | 24–240 V AC/DC |
| Output Type | SPDT Relay Contact |
| Switching Current | 5 A per contact |
| Operating Frequency | 50/60 Hz |
| Control Function | ON/OFF, Time Delay, Load Monitoring |
| LED Indicators | Power and Status |
| Operating Temperature | -20°C to 60°C |
| Protection Class | IP20 |
| Dimensions (WxHxD) | 90 × 70 × 60 mm |
| Weight | 0.46 kg |
| Mounting | DIN Rail / Panel |
| Certifications | CE, UL |
The RDCO-04C is used across a range of industrial applications:
ON/OFF control for motors, pumps, and actuators.
Time-delay control in industrial automation sequences.
Load monitoring for electrical panels and distribution systems.
Safety signaling and alarm triggering in automated processes.
Integration into modular industrial control systems.
Monitoring and control of industrial equipment requiring compact relay modules.
Integrated Load Monitoring: Provides real-time feedback for industrial loads.
Compact Design: Optimized for installation in tight control panel spaces.
Reliable Switching: SPDT relay contacts ensure safe operation of industrial loads.
LED Indicators: Clear visual feedback for power and relay status.
Flexible Voltage Range: Operates on 24–240 V AC/DC.
Wide Operating Temperature: Reliable from -20°C to 60°C.
DIN Rail and Panel Mounting: Easy installation and replacement.
Industrial Durability: Designed for long-term operation in demanding environments.
Certified Safety Standards: CE and UL certified.
Versatile Applications: Suitable for motors, pumps, actuators, and signaling systems.
Brand: ABB
Series: RDCO Series (Digital Control Relays)
| Model | Input Voltage | Output Type | Switching Current | Dimensions (mm) | Weight (kg) | Key Feature |
|---|---|---|---|---|---|---|
| RDCO-01A | 24–240 V AC/DC | SPDT Relay | 5 A | 90 × 70 × 60 | 0.45 | Basic digital relay |
| RDCO-01B | 24–240 V AC/DC | DPDT Relay | 5 A | 90 × 70 × 60 | 0.47 | Dual contact outputs |
| RDCO-01C | 24–240 V AC/DC | SPDT Relay | 5 A | 90 × 70 × 60 | 0.45 | Standard relay function |
| RDCO-02C | 24–240 V AC/DC | SPDT Relay | 10 A | 100 × 80 × 70 | 0.55 | High-current capacity |
| RDCO-03C | 24–240 V AC/DC | DPDT Relay | 5 A | 95 × 75 × 65 | 0.50 | Time-delay and monitoring functions |
| Model | Voltage | Function | Dimensions (mm) | Weight (kg) | Key Feature |
|---|---|---|---|---|---|
| RELAY-01 | 24–240 V AC/DC | General Purpose Relay | 80 × 60 × 50 | 0.40 | Compact control relay |
| RELAY-02 | 24–240 V AC/DC | Time Delay Relay | 90 × 70 × 60 | 0.45 | Delayed switching function |
| RELAY-03 | 24–240 V AC/DC | Safety Relay | 100 × 80 × 65 | 0.55 | Emergency stop and safety applications |
| RELAY-04 | 24–240 V AC/DC | Monitoring Relay | 95 × 75 × 65 | 0.50 | Load monitoring |
| RELAY-05 | 24–240 V AC/DC | High Current Relay | 110 × 90 × 70 | 0.60 | High-current switching |
Q1: What is the input voltage range for RDCO-04C?
A1: 24–240 V AC/DC.
Q2: What type of relay output does it provide?
A2: SPDT relay contact.
Q3: What is the maximum switching current?
A3: 5 A per contact.
Q4: Can it operate in industrial environments with temperature fluctuations?
A4: Yes, it operates from -20°C to 60°C.
Q5: Does the relay have LED indicators?
A5: Yes, for both power and relay operation.
Q6: Can it be mounted on a DIN rail?
A6: Yes, DIN rail and panel mounting are supported.
Q7: Is it suitable for time-delay applications?
A7: Yes, supports ON/OFF and time-delay control.
Q8: What are its dimensions and weight?
A8: 90 × 70 × 60 mm, 0.46 kg.
Q9: Is it certified for safety standards?
A9: Yes, CE and UL certified.
Q10: Can it be used to control motors, pumps, and actuators?
A10: Yes, suitable for various industrial loads and control applications.