High Inrush Current Control – Limits sudden current surges during capacitor switching
Integrated Damping Resistors – Smoothens energization process for capacitor banks
Delatching Mechanism – Ensures auxiliary contacts disconnect automatically after main contact closure
Enhanced Protection – Safeguards both capacitor banks and the contactor itself
Compact & Flexible Design – Suitable for DIN rail or screw mounting
Standard Compliance – Built as per IEC standards for reliable global use
Safe De-energization – Effectively disconnects stored capacitor energy upon coil release
Siemens has designed the 3TS capacitor duty contactor to handle one of the toughest challenges in power factor correction: inrush current peaks. With its smart delatching mechanism and resistor-based damping, this contactor not only protects critical assets but also ensures long-lasting, stable performance in demanding industrial environments.
Low-voltage power factor correction systems
Industrial capacitor bank switching
Energy efficiency projects in manufacturing plants
Electrical panels requiring surge-protected contactors
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Q1: What makes the Siemens 3TS contactor suitable for capacitor banks?
It has a built-in damping resistor mechanism that limits inrush currents, protecting both the contactor and capacitor banks.
Q2: Can the Siemens 3TS contactor be DIN rail mounted?
Yes, it supports both DIN rail and screw mounting, offering flexible installation.
Q3: Does the Siemens 3TS comply with international standards?
Yes, it is manufactured according to IEC standards, ensuring global reliability and safety.
| Brand | Siemens |
| Model | 3TS Series |
| Product Type | Capacitor Duty Contactor |
| Mounting | DIN rail / ScrewStandards Compliance |