Description
SIEMENS 3TM3331-1MA20-0AC0-Z
Medium voltage vacuum contactor delivering reliable, long-life switching for power distribution and industrial motor control applications
| Brand | SIEMENS |
| Model | 3TM3331-1MA20-0AC0-Z |
| Voltage | 12 kV |
| Country of Origin | Germany |
| Weight | 10.5 kg |
| Dimensions | 350x250x200 mm |
| Warranty | 6 months |
| Certifications | IEC 62271-100, CE, KEMA, UL |
| SKU / MPN | 3TM3331-1MA20-0AC0-Z |
| What’s in the box | Vacuum contactor unit, mounting brackets, auxiliary contacts, installation manual |
| Rated Voltage | 12 kV |
| Rated Current | 400 A |
| Rated Frequency | 50/60 Hz |
| Number of Poles | 3-pole |
| Operating Mechanism | Electromagnetic |
| Mounting Type | Switchgear Panel |
Key benefits: Long electrical and mechanical life, minimal maintenance due to vacuum interrupter technology, compact design for space-efficient switchgear, high short-circuit withstand capability
Typical applications: Motor control centers, capacitor bank switching, power distribution switchgear, industrial plant feeders, transformer protection
Lifecycle: Active product, 15+ years availability, spare parts guaranteed
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Andrew C. –
The power supply unit is stable under full load. Better than expected.