LZS:PT78740
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Overview of Siemens LZS:PT78740
Shop genuine Siemens LZS:PT78740 online for your automation system. This professional plug-in socket is designed for PT series relays, delivering reliable performance in demanding industrial environments. With 4 changeover contacts and screw terminal connections, the Siemens LZS:PT78740 ensures secure, long-lasting wiring—ready for monostable relay applications such as motor controls, process automation, and safety interlocks. Its snap-on rail mounting and compact footprint (28 mm W x 74 mm D) make it easy to install and integrate into control panels worldwide. Whether you're upgrading a production line or maintaining legacy equipment, buy Siemens LZS:PT78740 to benefit from Siemens engineering quality and global availability.
Key Features of Siemens LZS:PT78740
- Compatible with PT relays featuring 4 changeover contacts (4 CO, 2 NO / 2 NC)
- Secure screw terminal connections for vibration-resistant wiring
- Snap-on mounting for DIN rail—fast, tool-free installation
- Compact size (28 mm W x 74 mm D) for space-saving panel layouts
- Rated for up to 250V AC and 6A, suitable for a wide range of control circuits
- Operates reliably from -40°C to +70°C—ideal for harsh environments
- IP20 protection keeps out large particles and fingers
- UL listed, VDE approved, and CE certified for global compliance
- Designed for monostable relay configurations
- Part of the trusted Siemens SIRIUS relay component line
Technical Specs of LZS:PT78740
Review Siemens LZS:PT78740 specifications covering voltage, I/O, and communication. Below is a summary of technical parameters:
| Parameter | Value |
|---|---|
| Contact Configuration | 4 changeover (2 NO / 2 NC) |
| Terminal Type | Screw (0.5–0.7 N·m torque) |
| Voltage Rating | 250V AC |
| Current Rating | 6A |
| Mounting | Snap-on, DIN rail |
| Enclosure | IP20 |
| Dimensions (WxD) | 28 mm x 74 mm |
| Operating Temperature | -40°C to +70°C |
| Weight | 60 g |
Applications / Use Case
This Siemens LZS:PT78740 is commonly used in industrial automation worldwide, where reliable switching and robust relay coupling are critical. Typical applications include control panels, machine automation, packaging lines, conveyor drives, safety circuits, and process control systems. Its versatile switching capability with 4 changeover contacts makes it a top choice for both new installations and maintenance upgrades, ensuring your automation systems run smoothly with Siemens quality and durability.
Price & Availability
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