| Dual input K rated computer grade isolation transformers |
| 100% Continuous Duty Rating |
| Digital signal processor based, fully digital switching controls |
| Six (6) Plug-in circuit breakers |
| Dual Maintenance Bypass design |
| Redundant output distribution breakers |
| Key interlocking for safety and accuracy |
| Comprehensive System Interface Panel |
Operator Guided Bypass Controls
|
System Mimic Display
|
| LCD Display |
| 2500 Real-Time Event & Alarm Log |
| Transfer Counter |
| Metering Display of kVA, kW, Ipeak, Phase, Voltage & Frequency |
| Multiple Layers of Password Protected Controls |
Modbus Communications Interface
|
Options:
Waveform Capture
Up to tow (2) I-Line Output Distribution Panelboards
Up to (4) 42 Circuit Output Panelboards
Output Distribution Breaker Monitoring
|
|
| kVA | 75-300kVA |
| Input | 3 Phase, 3 wire + ground |
| Input voltage | 480V @60 Hz (other input voltages available) |
| Output | 3 Phase, 4 wire + ground |
| Output voltage | 208/120V 480/277V@60Hz
|
| Transformer ratings | K20 (Std.) K4, K9, K13 (Opt.) |
Transformer
| Copper, Dual Electrostatic Shield |
Transformer temperature rise
| 150C (Std) 80C, 115C (Opt) |
| Transformer compensation taps | 2 ½% (4X FCBN, 2XFCAN)
Full Capacity Below/Above Nominal: Transformer has taps for below/above rated voltage to maintain delivery of rated kVA.
|
| Transformer insulation | 220C |
| Neutral rating | 200% |
| Password Protected | Defined user tiers
|
| Protocol | Modbus RTU (RS-485); Modbus TCP |
| Event Types | Information, warnings and alarms |
| Web server | Access with any browser via internet
|
| STS Alarm notification | Email (or email to pager) |
| STS software upgrades | Remote downloadable |
Emergency power off
| Remote (Std.); Local (Opt.) |
| STS Relay Contacts | 5 (Std.) |
| STS User interface | Module level LCD + mimic diagram |
Metering
| kVA, kW, Ipeak, phase, current, voltage, frequency, Power factor, kVA demand, harmonic analyzer, Sag, Surge
|
| Event Alarm Log | 2500 events |
Technical specifications are subject to change without notice.