Liebert STS2 Static Transfer Switch
For maximum availability applications, Liebert STS2 static transfer switch provides an automatic, seamless transfer between your critical load and the outputs of two independent UPS systems in a dual-bus power configuration. If the primary UPS should fail, the switch will automatically transfer the loads to the alternate UPS.
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- Data Center/Colocation/Hosting
- Banking, Financial and Insurance
- Government
- Healthcare
- Retail and Wholesale
- Education
Liebert STS2 Static Transfer Switch
For maximum availability applications, Liebert STS2 static transfer switch provides an automatic, seamless transfer between your critical load and the outputs of two independent UPS systems in a dual-bus power configuration. If the primary UPS should fail, the switch will automatically transfer the loads to the alternate UPS.
- Data Center/Colocation/Hosting
- Banking, Financial and Insurance
- Government
- Healthcare
- Retail and Wholesale
- Education
Specifications
The Liebert STS2 from Vertiv is making it easier to protect your critical equipment by giving your single cord loads the reliability of dual cord power or by providing added redundancy to your dual cord devices. With a single, space-saving unit, the Liebert STS2 static transfer switch provides automatic switching between two different AC power sources. The Liebert STS2 is available in 100A, 250A, 400A, 600A, 800A and 1000A systems, in both 60Hz and 50Hz. Multiple input voltages are available. Designed for use in dual-bus power applications, this solution combines fast switching between AC power sources, power isolation, monitoring and grounding into a single package.
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Liebert STS2 ST 100A
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| 100 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 30 in | 32 in | 780 lbs |
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Liebert STS2 ST 250A
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| 250 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 30 in | 32 in | 780 lbs |
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Liebert STS2 ST400A
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| 400 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 38 in | 32 in | 1200 lbs |
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Liebert STS2 ST 600A
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| 600 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 38 in | 32 in | 1200 lbs |
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Liebert STS2 ST 800A
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| 800 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 84 in | 32 in | 2500 lbs |
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Liebert STS2 ST 1000A
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| 1000 amps | 208, 220, 240, 380, 415, 480, 600 VAC | 77 in | 84 in | 32 in | 2500 lbs |
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Liebert STS2 SR 400A
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| 400 Amps | 208, 480 VAC | 69.4 in | 31.7 in | 32 in | 1200 lb |
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Liebert STS2 SR 600A
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| 600 Amps | 208, 480 VAC | 69.4 in | 31.7 in | 32 in | 1200 lb |
| See more product information |
Benefits
Features
*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.
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Frequently Asked Questions
- Q
- Do I need a static switch in my power distribution system?
- A
- There are many ways to design a power backup and distribution system. Please reference our white paper on Emerging Power Architectures in the Reports section on this web page or consult your local sales office for suggestions on how best to leverage and compare your existing equipment, power system goals and our capabilities.
- Q
- Can the product be customized?
- A
- There are many custom solutions available for our products. Please contact your local sales office for more information.
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