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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PLC-RSP-24DC/21-21 |
| Manufacturer | Phoenix Contact |
| Category | Relay Module |
| Family | PLC Relay |
| Nominal Input Voltage | 24 V DC |
| Typical Input Current | 18 mA |
| Power Dissipation | 0.43 W |
| Typical Response Time | 8 ms |
| Typical Release Time | 10 ms |
| Operating Voltage Display | Yellow LED |
| Protective Circuit | Polarity protection diode, Free-wheeling diode, Damping diode |
| Contact Type | 2 PDT (Double Pole Double Throw) |
| Contact Material | AgNi (Silver Nickel) |
| Maximum Switching Voltage | 250 V AC/DC |
| Minimum Switching Voltage | 5 V AC/DC (at 10 mA) |
| Maximum Inrush Current | 15 A (300 ms) |
| Limiting Continuous Current | 6 A |
| Interrupting Rating | 140 W (at 24 V DC), 85 W (at 48 V DC), 60 W (at 60 V DC), 44 W (at 110 V DC), 60 W (at 220 V DC), 1500 VA (for 250 V AC) |
| Switching Capacity | 2 A (at 24 V, DC13), 0.2 A (at 250 V, DC13), 3 A (at 24 V, AC15), 3 A (at 120 V, AC15), 3 A (at 250 V, AC15) |
| Connection Method | Spring-cage connection |
| Stripping Length | 8 mm |
| Conductor Cross Section | 0.14 mm² to 2.5 mm² (solid and flexible), AWG 26 to 14 |
| Operating Temperature Range | -40 °C to 60 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Degree of Protection | RT III (Relay) |
| Mechanical Service Life | 30 million cycles |
| Flammability Rating | UL 94 V0 |
| Standards and Regulations | IEC 60664, EN 50178, IEC 62103 |
| Mounting Position | Any |
| Assembly Instructions | In rows with zero spacing |
| Approvals | UL Listed, cUL Listed, GL, UL Recognized, cUL Recognized, EAC, RC FRT, cULus Recognized, cULus Listed |
| Dimensions (W x H x D) | 14 mm x 80 mm x 94 mm |
| Weight | 63.06 g |
| Packing Unit | 10 pieces |
| Key Features | Slim design, efficient connection to system cabling using V8 adapter, RT III sealed relay, safe isolation according to DIN EN 50178 between coil and contact, functional plug-in bridges, integrated input circuit and interference suppression circuit |
The Phoenix Contact PLC-RSP-24DC/21-21 is a high-performance relay module designed for seamless integration into industrial automation systems. This relay module features a compact design, making it ideal for applications where space is at a premium. It consists of a base terminal block with a spring-cage connection and a pluggable miniature relay with power contact, ensuring reliable and efficient operation.
With a nominal input voltage of 24 V DC, the PLC-RSP-24DC/21-21 offers a typical input current of 18 mA and a power dissipation of 0.43 W under nominal conditions. The relay module is equipped with a yellow LED operating voltage display, providing clear visual indication of its status. It also includes protective circuits such as polarity protection and a free-wheeling diode to safeguard against potential electrical issues.
The contact side of the relay module features two PDT (double-pole double-throw) contacts made of AgNi material, capable of handling a maximum switching voltage of 250 V AC/DC. The module supports a minimum switching voltage of 5 V AC/DC at 10 mA and a maximum inrush current of 15 A for 300 ms. It is designed to handle a limiting continuous current of 6 A, making it suitable for a wide range of industrial applications.
The Phoenix Contact PLC-RSP-24DC/21-21 relay module is built to withstand harsh operating conditions, with an ambient operating temperature range of -40 °C to 60 °C and a storage temperature range of -40 °C to 85 °C. It complies with various international standards, including IEC 60664, EN 50178, and IEC 62103, ensuring high levels of safety and performance.
This relay module is designed for easy installation on DIN rail NS 35/7.5, with a width of 14 mm, height of 80 mm, and depth of 94 mm. It supports a variety of conductor cross-sections, both solid and flexible, ranging from 0.14 mm² to 2.5 mm², and is compatible with AWG 26 to 14.
Ideal for use in control panels, automation systems, and other industrial environments, the Phoenix Contact PLC-RSP-24DC/21-21 relay module offers robust performance, reliability, and ease of use, making it a valuable addition to any industrial automation setup.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the operating temperature range for this relay module?
The operating temperature range for the Phoenix Contact PLC-RSP-24DC/21-21 relay module is -40°C to 60°C.
What type of connection method is used for this relay module?
The Phoenix Contact PLC-RSP-24DC/21-21 relay module uses a spring-cage connection method.
What is the nominal input voltage for this relay module?
The nominal input voltage for the Phoenix Contact PLC-RSP-24DC/21-21 relay module is 24 V DC.
What is the maximum switching voltage for this relay module?
The maximum switching voltage for the Phoenix Contact PLC-RSP-24DC/21-21 relay module is 250 V AC/DC.
What is the typical input current at nominal voltage for this relay module?
The typical input current at nominal voltage for the Phoenix Contact PLC-RSP-24DC/21-21 relay module is 18 mA.
What is the degree of protection for this relay module?
The Phoenix Contact PLC-RSP-24DC/21-21 relay module has a degree of protection rated at RT III.
What is the mechanical service life of this relay module?
The mechanical service life of the Phoenix Contact PLC-RSP-24DC/21-21 relay module is 30 million cycles.
What is the maximum inrush current for this relay module?
The maximum inrush current for the Phoenix Contact PLC-RSP-24DC/21-21 relay module is 15 A for 300 ms.
What is the flammability rating of this relay module?
The Phoenix Contact PLC-RSP-24DC/21-21 relay module has a flammability rating according to UL 94 V0.
Can this relay module be mounted in any position?
Yes, the Phoenix Contact PLC-RSP-24DC/21-21 relay module can be mounted in any position.
