OMRON PTF08A Relay Socket

The PTF08A is an 8-pin surface-mounting relay socket manufactured by OMRON, designed specifically for the LY series general-purpose relays. It supports both DIN-rail mounting and screw mounting, and is widely used in industrial automation control systems.

1. Core Specifications

2. Merkmale & Vorteile
3. Dual mounting design: Supports fast DIN-rail installation and traditional screw fixing for various applications.
4. High compatibility: Perfectly matches 1-/2-pole LY series relays; easy plug-and-play with simple clip locking and ejection.
5. Safe and reliable: High dielectric strength (Wechselstrom 2000 V) ensures safe electrical isolation.
6. Durable structure: High-temperature resistant engineering plastic with high mechanical strength and long service life.
7. Complete series: Also available in PTF11A (11-Stift, 3-Pole) and PTF14A (14-Stift, 4-Pole) to meet different pole requirements.
8. Installation & Wiring Guide
9. Mounting Methods

DIN-rail mounting: Clip directly onto standard 35 mm DIN rail without tools.

Screw mounting: Secure to panel with M3.5 screws; standard hole spacing.

2. Vorsichtsmaßnahmen bei der Verkabelung

Disconnect power before wiring to prevent electric shock.

Terminal tightening torque: 0.8–1.2 N·m to avoid damage.

Recommended wire: 0.5–2.5 mm² copper conductor.

Clearly distinguish contact terminals from coil terminals to avoid miswiring.

4. Ersatzmodelle & Kompatibilität

5. Typische Anwendungen

Industrial automation production line control circuits

Motor starting and protection circuits

Signal conversion in electrical control panels

Logic control for machine tools

Building electrical automation systems

6. Purchasing & Nutzungstipps
7. Authenticity identification: PTF08A is an original OMRON product. Counterfeits exist; purchase through authorized channels.
8. Vorsichtsmaßnahmen: When used with relays, ensure contact rating matches load requirements.
9. Wartung: Regularly check terminal tightness to avoid loose connections.

OMRON PTF Series Relay Sockets-Full Models & Cross-Brand Order Codes

The PTF series is OMRON’s surface-mounting relay socket family designed for LY series general-purpose relays, also compatible with G3H/G3HD solid-state relays. They support DIN-rail/screw mounting and cover 2-pole (8-Stift), 3-Pole (11-Stift), and 4-pole (14-Stift) versions.

Below is the complete model list and cross-brand replacement options.

1. Complete PTF Series Model List

1.1 Standard Screw Terminal Type (some discontinued, replaced by PTFZ)

1.2 New PTFZ Series (replaces old -E types, with finger protection)

1.3 PTF-PU Series (Push-In Plus, tool-free, wiring efficiency +60%)

1.4 Abmessungen

2. OMRON Internal Replacements

3. Cross-Brand Replacements (Major Industrial Brands)

3.1 Schneider Electric

3.2 Siemens

3.3 Weidmüller

3.4 Phoenix Contact

3.5 Chinese Brands (Kostengünstig)

4. Auswahl & Replacement Guidelines
5. Compatibility Rules

Industrial relay sockets follow international standard dimensions and are interchangeable across brands if:

Pin count matches relay pole number

Nennstrom (≥10A) meets load

Montage (DIN-rail/screw) matches panel design

2. Terminal Type Selection

Conventional screw: PTF08A / PTF11A / PTF14A-suitable for low-vibration environments

Finger protection: PTFZ series-suitable for areas with frequent access

Push-In Plus: PTF-PU series-ideal for mass wiring, high vibration resistance

3. Discontinued Models

PTF08A-E / PTF14A-E are discontinued with limited stock.

Use PTFZ series as the preferred replacement.

> Notiz: PTF series sockets are rated 10A/250VAC, dielectric strength AC 2000V, operating temp −25 °C to +55 °C, suitable for 0.5–2.5 mm² copper wires.