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1sna212228r0000 – rp21-024dc16a-2
TE Connectivity 1SNA212228R0000 RP21-024DC16A-2 is an Interfast relay plug with a 24 V DC input, 16 A contact rating and pluggable screw-clamp connection for industrial control and automation interfaces.
Why Choose the TE Connectivity RP21-024DC16A-2 Relay Plug?
The TE Connectivity RP21-024DC16A-2, part number 1SNA212228R0000, is an Interfast relay plug designed for industrial control and automation applications. It combines a 24 V DC input with a pluggable relay interface, providing a convenient solution for switching and isolating control signals within compatible Entrelec interface systems.
Designed for professional control-panel applications, the RP21-024DC16A-2 features a 16 A contact rating and a pluggable screw-clamp connection. The replaceable plug-in format simplifies installation and servicing compared with permanently integrated switching components, making it particularly useful in machinery, PLC interfaces and industrial automation cabinets.
The RP21-024DC16A-2 forms part of the established TE Connectivity / Entrelec Interfast interface range. Its clearly defined 24 V DC input makes it suitable for common industrial control-voltage systems, while the manufacturer specifies a standard package quantity of 20 pieces.
Key Advantages
- 24 V DC input suited to widely used industrial control systems.
- 16 A relay contact rating for switching compatible loads.
- Pluggable construction supports convenient installation and replacement.
- Screw-clamp connection provides secure field wiring.
- Suitable for signal switching and electrical isolation in automation systems.
- Supports modular and serviceable control-panel construction.
- Genuine TE Connectivity / Entrelec Interfast relay interface component.
Key Features
- TE Connectivity / Entrelec Interfast relay plug.
- Manufacturer designation: RP21-024DC16A-2.
- 24 V DC relay input.
- 16 A contact rating.
- Pluggable relay construction.
- Screw-clamp electrical connection.
- Designed for industrial relay-interface applications.
- Suitable for automation, machinery and control-panel systems.
- EU RoHS compliant.
- Standard package quantity of 20 pieces.
Reliable Relay Interfacing for Industrial Control Systems
Relay interfaces allow low-voltage control signals to operate electrically separate switching circuits, providing a practical link between PLC outputs, controllers and field equipment. The RP21-024DC16A-2 uses a standard industrial 24 V DC input, making it well suited to integration into automation systems where this control voltage is already available.
Its pluggable format supports straightforward maintenance because the relay component can be handled as a modular part of the interface assembly. Combined with a 16 A contact rating and screw-clamp connection technology, the RP21-024DC16A-2 provides a practical solution for building organised and serviceable industrial control panels.
Typical Applications
- PLC output interfacing.
- Industrial automation control panels.
- Machine control systems.
- 24 V DC control circuits.
- Relay-based signal isolation and switching.
- Process-control equipment.
- OEM machinery and electrical cabinets.
- Maintenance of existing Entrelec Interfast installations.
Technical Specifications
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| Terminal Type | Pluggable connector | |
|---|---|---|
| Connection | Pluggable | |
| Product Series | TE SNA | |
| Manufacturer | TE Connectivity / Entrelec | |
| Range | Interfast | |
| Model | RP21-024DC16A-2 | |
| Part number | 1SNA212228R0000 | |
| Product type | Relay plug | |
| Input voltage | 24 V DC | |
| Contact current rating | 16 A | |
| Connection | Pluggable screw clamp | |
| Application | Industrial relay interface and control signal switching | |
| ETIM classification | EC000196 – Contactor relay | |
| Product net weight | 18 g | |
| EU RoHS | Compliant | |
| EU ELV Directive | Compliant | |
| REACH SVHC | No declared REACH SVHC | |
| Halogen content | Low halogen | |
| Pack quantity | 20 | |
| Barcode / EAN | 3472592122281 | |
| Customs tariff number | 85364190 |
Frequently Asked Questions
What is the TE Connectivity RP21-024DC16A-2 1SNA212228R0000?
The RP21-024DC16A-2 is an Interfast relay plug designed for industrial control and automation interfaces, providing a pluggable relay switching element for compatible Entrelec assemblies.
What input voltage does the RP21-024DC16A-2 use?
The RP21-024DC16A-2 is designed for a 24 V DC input, a voltage commonly used in PLC, automation and machine-control systems.
What is the current rating of the RP21-024DC16A-2?
The TE Connectivity RP21-024DC16A-2 has a specified relay contact current rating of 16 A.
What type of connection does the RP21-024DC16A-2 use?
The RP21-024DC16A-2 uses a pluggable screw-clamp connection, supporting secure wiring and convenient installation within compatible interface assemblies.
How many RP21-024DC16A-2 relay plugs are supplied in a pack?
TE Connectivity / Entrelec part number 1SNA212228R0000 is supplied in a standard package quantity of 20 pieces.
Trusted for Industrial Relay Interfaces
TE Connectivity Entrelec Interfast interface components provide automation engineers, panel builders and machine manufacturers with modular solutions for reliable control-signal switching, isolation and organised industrial panel wiring.
