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Core Positioning and Scope of Application
The P2RF-08-S is an 8-pin screwless wiring relay socket launched by OMRON, specially designed for the G2R-2-S series 2-pole general-purpose relays. It is suitable for the quick installation and wiring of relays in industrial automation control systems. Adopting screwless push-in terminal technology, it greatly improves wiring efficiency while ensuring connection reliability. It supports both DIN rail mounting and surface mounting, with an IP rating of IP20, complying with international safety standards such as UL, CSA and IEC.
- Model Naming Rules
`P2RF-08-S`
| Code | Signification |
| P2RF | Série de produits: Screwless Wiring Relay Socket Series |
| 8 | Number of Pins: 8 épingles (compatible with 2-pole relays, 4 pins per pole: Common, Normalement ouvert, Normalement fermé, Bornes de bobine) |
| S | Compatible Series: Specially designed for G2R-S series general-purpose relays |
III. Paramètres techniques clés
| Élément de paramètre | Specification Value | Remarques |
| Compatible Relay | G2R-2-S series 2-pole general-purpose relays | Not applicable to relays of other series |
| Méthode de câblage | Screwless Push-In | No need to tighten screws, simplifying wiring work |
| Courant nominal | 10UN (AC-15: 250V/10A, DC-13: 24V/0.5A) | Complies with IEC 60947-5-1 standard |
| Tension nominale | 250V CA/CC | Universal for control circuits and load circuits |
| Applicable Wire Gauge | 0.2~1.5mm² (AWG24~AWG16) | Suitable for both solid wires and stranded wires |
| Pin Configuration | 8 épingles (2 poles × 4 épingles: C/NO/NC/Coil) | Coil terminals and contact terminals are completely separated |
| Méthode de montage | DIN rail mounting (35mm standard rail) + Surface mounting | Dual mounting options for different control cabinet layouts |
| Durée de vie mécanique | Plug-in cycles ≥ 1000 fois | Long service life for relay replacement |
| Insulation Characteristics | Insulation resistance ≥ 100MΩ (500À DC); Withstand voltage: AC 4000V/1min between coil and contacts, AC 3000V/1min between contacts | Ensures electrical safety isolation |
| Conditions environnementales | Température: -25℃~+55℃; Humidity: ≤95% (pas de condensation) | Adaptable to harsh industrial environments |
| Poids | Approximately 36g | Lightweight design, saving installation space |
- Core Functions and Features
- Screwless Wiring Technology: Adopts push-in terminals, enabling tool-free wiring. Reduces wiring time by more than 50% and avoids poor contact caused by over-tightened or under-tightened screws.
- Dual Wire Entry: Each terminal can independently accommodate 2 fils, facilitating bridging and branch connections, and simplifying the wiring of complex circuits.
- Safe Terminal Layout: Coil terminals and contact terminals are completely separated, preventing wrong wiring and improving operational safety.
- Easy Relay Replacement: Equipped with a dedicated ejector, the relay can be easily removed with the separation lever (P2CM-S, sold separately) without disconnecting the wiring.
- Dual Mounting Options: Supports standard 35mm DIN rail clipping and screw fixing, suitable for different installation scenarios.
- Finger Protection Design: Terminals are equipped with protective structures to prevent electric shock hazards, meeting the IP20 protection requirements.
- Nameplate Compatibility: Can be installed with R99-11 series nameplates (sold separately) for convenient circuit identification and maintenance.
- Scénarios d'application typiques
| Industry Sector | Specific Applications | Supporting Components |
| Automatisation industrielle | PLC control systems, DCS systems, motor control centers | G2R-2-S relay + P2CM-S separation lever + R99-11 nameplate |
| Mechanical Equipment | Machine tool control, équipement d'emballage, printing machinery | Contactor control circuits, limit switch signal circuits |
| Building Electricals | Fan control, water pump control, systèmes d'éclairage | Timer and sensor signal processing |
| Nouvelle énergie | Photovoltaic inverters, systèmes de stockage d'énergie, charger des piles | Protection circuits, status monitoring circuits |
| Instrumentation | Testing equipment, medical instruments, laboratory equipment | Signal switching, control logic implementation |
- Guide d'installation et de câblage
Étapes d'installation
- Montage sur rail DIN:
– Clip the socket onto a 35mm standard DIN rail and ensure the claws are fully engaged.
– Insert a screwdriver into the fixing slot and push in the direction of the arrow to confirm secure installation.
- Surface Mounting:
– Fix it on the mounting panel with M3 screws; the mounting hole spacing conforms to standard dimensions.
– Ensure the mounting surface is flat to avoid socket deformation that may affect wiring.
Wiring Process (Completed in Three Steps)
- Insert a screwdriver (φ3.0mm) into the operation hole on the side of the terminal.
- Strip 8~9mm of insulation from the wire and insert the wire into the terminal hole.
- Pull out the screwdriver; the push-in spring automatically clamps the wire to complete the connection.
Relay Installation and Removal
- Installation: Align the G2R-2-S relay with the socket pins and press vertically downwards until it is fully engaged.
- Removal:
– Install the P2CM-S separation lever (sold separately) on both sides of the socket.
– Insert a screwdriver into the separation lever hole and gently pry upwards to eject the relay.
VII. Supporting Accessories and Alternative Models
| Nom de l'accessoire | Modèle | Fonction |
| Separation Lever | P2CM-S | Assists in relay removal, protecting socket and relay pins |
| Nameplate | R99-11 | Circuit identification, facilitating maintenance |
| Bridging Piece | P2RM-SR (Rouge)/P2RM-SB (Blue) | Common terminal connection between multiple sockets, simplifying wiring |
| Alternative Model | Difference Description | Applicable Scenario |
| PYF08S | Screw wiring method | Traditional wiring habits, occasions requiring frequent disassembly |
| P2RF-08-E | 5A rated current | Low-load circuits, cost-sensitive applications |
| P2RF-05-S | 5-pin design | Compatible with G2R-1-S 1-pole relays |
VIII. Maintenance and Troubleshooting
- Inspection régulière: Check monthly for loose wiring and smooth relay plugging/unplugging.
- Nettoyage et entretien: Remove dust with dry compressed air; avoid using liquid cleaners.
- Troubleshooting:
Loose Wires: Repeat the wiring process to ensure the wire is inserted to a sufficient depth.
Relay Cannot Be Ejected: Check if the separation lever is installed correctly or if the socket is deformed.
Poor Contact: Check if the wire is oxidized or if there are foreign objects in the terminal; replace the socket if necessary.
Insulation Failure: Check environmental humidity to avoid condensation; add moisture-proof measures if necessary.
With features such as screwless wiring technology, dual mounting options and safety design, the P2RF-08-S has become an ideal choice for relay installation in the industrial automation field. For model selection, confirm that the compatible relay model is G2R-2-S, and select appropriate terminal specifications according to the load current to ensure the stability and safety of the control system.
