Siemens 3TX4010-2A Auxiliary Contact Block
Reliable Siemens SIRIUS 3TX40102A auxiliary contact block with 1 NO contact, IP20 protection, and snap-on mounting. Designed for use with contactor relays and power contactors in industrial environments.
Manufacturer: Siemens
Product Brand: SIRIUS
Type: Auxiliary Contact Block / Auxiliary Switch Block
Model Number (MNR): 3TX40102A
Suitability for Use: Contactor Relay and Power Contactor
Insulation Voltage (Ui): 690 V
Rated Operational Current (Ie):
- 1.8 A @ AC-15, 690 V
- 2.5 A @ AC-15, 500 V
- 3.8 A @ AC-15, 400 V
- 5.6 A @ AC-15, 230 V
Rated Impulse Withstand Voltage (Uimp): 6 kV
Standard: IEC 947, VDE 0660, BS 4794
Contact: 1 Normally Open (NO)
Protection Class: IP20
Ambient Temperature During Operation: -25 / +55°C
Mounting Type: Snap-On Mounting
Dimensions (W x H x D): 12 x 70 x 52 mm
The Siemens SIRIUS 3TX40102A auxiliary contact block is designed to deliver dependable signaling and control in industrial automation systems. With a compact snap-on design, it supports fast installation on contactor relays and power contactors. Engineered to meet international standards, it offers high operational reliability, electrical durability, and safety compliance under harsh conditions.
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