This APC Smart-UPS RT Tower isolation transformer is perfect for data center engineers, facility managers, and IT professionals who need reliable step-down transformer solutions for voltage conversion and electrical isolation. Our 4800VA transformer delivers:
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208V to 120V conversion enabling safe operation of 120V equipment on 208V systems
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Isolation transformer protection providing galvanic isolation and noise filtering
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Rack-mount transformer design for space-efficient data center installations
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UPS accessories compatibility extending Smart-UPS RT system capabilities
Key Features
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4800VA power capacity supporting multiple high-power devices simultaneously
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Galvanic isolation protecting sensitive equipment from ground loops
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Tower and rack-mount design offering flexible deployment options
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Electrical noise filtering improving power quality for connected equipment
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Overload protection safeguarding transformer and connected devices
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Temperature monitoring ensuring safe operation under all conditions
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Hot-swappable design enabling maintenance without system shutdown
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LED status indicators providing real-time operational feedback
Technical Specifications
| Manufacturer |
APC by Schneider Electric |
| Model Number |
SURT003 |
| Type |
Isolation Step-Down Transformer |
| Power Rating |
4800VA / 4800W |
| Input Voltage |
208V AC |
| Output Voltage |
120V AC |
| Input Frequency |
50/60 Hz ±3 Hz |
| Output Current |
40A maximum |
| Form Factor |
Tower / Rack-Mount |
| Rack Height |
6U |
| Efficiency |
98% typical |
| Isolation |
4000V AC dielectric strength |
| Operating Temperature |
0°C to 40°C |
| Dimensions (H x W x D) |
267 x 432 x 610 mm |
| Weight |
45.4 kg |
| Compatible Systems |
APC Smart-UPS RT series UPS systems |
Application Use Cases
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Data center voltage conversion for 120V equipment in 208V environments
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Medical equipment isolation ensuring patient safety compliance
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Industrial automation systems requiring clean, isolated power
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Telecommunications infrastructure with mixed voltage requirements
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Laboratory equipment protection from electrical noise and ground loops
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Legacy system integration in modernized facilities
Power Quality Benefits
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Electrical isolation eliminating ground loops and common-mode noise
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Voltage regulation maintaining stable 120V output under varying loads
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Harmonic filtering reducing distortion for sensitive electronic equipment
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Surge suppression protecting against transient voltage spikes
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Load balancing optimizing power distribution efficiency
Frequently Asked Questions
Q: What is the difference between isolation and step-down transformers?
A: This isolation transformer provides both voltage conversion and electrical isolation. While a standard step-down transformer only reduces voltage, this unit also eliminates ground loops and provides galvanic isolation, making it ideal for sensitive equipment in 208V to 120V applications.
Q: Can this transformer be used with non-APC UPS systems?
A: Yes, while designed for APC Smart-UPS RT compatibility, this 4800VA transformer can be used as a standalone unit with any 208V power source. The rack-mount transformer design makes it suitable for various data center applications beyond UPS integration.
Q: What safety certifications does this transformer meet?
A: This isolation transformer meets UL, cUL, and CE safety standards. The 4000V dielectric strength ensures proper electrical isolation, making it suitable for medical and industrial applications requiring high safety standards.
Q: How do I calculate if 4800VA capacity is sufficient for my needs?
A: Add the VA ratings of all connected 120V devices. This 4800VA transformer can support up to 40A at 120V output. For mixed resistive and reactive loads, ensure total apparent power doesn't exceed the 4800VA rating for safe operation.
Q: Does this transformer require special installation or maintenance?
A: Installation follows standard electrical practices for transformers. The tower and rack-mount design includes proper ventilation requirements. Regular maintenance involves visual inspection and temperature monitoring - no internal serviceable parts for field maintenance.
