PRODUCT DETAILS
Siemens 3TX7004-1LB00 Interface Relay
New Original | Industrial Control Relay | DIN Rail Mount
Product Overview
The Siemens 3TX7004-1LB00 Interface Relay is a high-reliability industrial relay module designed for signal isolation, amplification, and switching in automation and control systems.
As part of Siemens’ trusted interface relay portfolio, it ensures stable performance, electrical isolation, and long service life in demanding industrial environments.
This unit is 100% new and original, supplied in factory-sealed Siemens packaging, making it ideal for control cabinet assembly, system upgrades, and OEM replacement.
Key Features
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✔ Genuine Siemens Product – guaranteed compatibility and long-term reliability
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✔ Reliable Signal Switching – precise control of digital signals in automation systems
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✔ Electrical Isolation – protects PLCs and control devices from voltage spikes
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✔ Compact DIN Rail Design – saves panel space and simplifies installation
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✔ Long Mechanical & Electrical Life – suitable for continuous industrial operation
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✔ Maintenance-Free Operation – stable performance over extended cycles
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 3TX7004-1LB00 |
| Product Type | Interface Relay |
| Rated Control Voltage | 24 V DC |
| Contact Configuration | 1 NO (Normally Open) |
| Rated Switching Voltage | Up to 250 V AC |
| Rated Switching Current | Up to 6 A |
| Contact Material | Silver alloy |
| Coil Power Consumption | Approx. 0.9 W |
| Electrical Isolation | Coil / Contact isolation |
| Mounting Type | DIN Rail (35 mm) |
| Operating Temperature | -25°C to +60°C |
| Mechanical Life | >10 million operations |
| Electrical Life | >1 million operations (rated load) |
| Protection Rating | IP20 |
| Condition | New, Original |
| Packaging | Factory-Sealed Siemens Box |
Typical Applications
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PLC input/output signal isolation
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Control cabinet and panel building
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Machine control and automation systems
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Industrial relay logic circuits
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OEM equipment manufacturing and retrofitting
Why Choose Siemens 3TX7004-1LB00
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✅ Ensures safe and stable signal switching in industrial automation
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✅ Reduces system risk through effective electrical isolation
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✅ Compact footprint ideal for high-density control panels
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✅ Original Siemens quality guarantees long-term system reliability
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✅ Perfect for replacement, expansion, or new installations
Quality Assurance & Shipping
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📦 100% New & Original, factory-sealed
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🔍 Fully inspected before shipment
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🚀 Fast worldwide delivery available

