SIEMENS 3TX4 404-0A AUXILIARY CONTACT BLOCK
The Siemens 3TX4 404-0A is a reliable auxiliary contact block designed for integration with contactor relays and power contactors. Engineered for safe switching operations, it ensures dependable performance with high insulation voltage, compact dimensions, and secure snap-on mounting.
Manufacturer: Siemens
Type: Auxiliary Contact Block
MNR: 3TX4 404-0A
Inst Ord No.: 3ZX1012-0TF20-2AB1
Technical Information
- Used for: Contactor relay and power contactor
- Insulation Voltage Ui: 690 V
- Contact: 4 Normally Closed
- Current Rating: 4 A @ 230 V AC, 3 A @ 400 V AC, 2 A @ 500 V AC
- Protection Degree: IP20
- Mounting Type: Snap-On mounting
- Operating Temperature: -25 / 55 °C
- Electrical Connection: Screw-type terminals
- Dimensions: 45 x 25 x 24 mm













