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Designed primarily for vacuum interrupter testing; however, unit can be used for testing breakers, switchgear and many other apparatus
| Model | 640-0.4P | 660-10P | |
| Input |
Voltage / Current | 110-120V,5A 220-240V,3A |
110-120V,6A 220-240V,3A |
| Frequency | 50/60 Hz | 50/60 Hz | |
| Output |
Voltage/Current | ≈ 0-40 kV, 10 mA | ≈ 0-60 kV, 10 mA |
| Duty Cycles |
120 V input 20 min ON/30 min OFF @ 10 mA |
5 min ON/15 min OFF @ 10 mA | |
| 220 V input 15 min ON/45 min OFF @ 10 mA |
5 min ON/15 min OFF @ 10 mA | ||
| Digital Metering |
Metering Accuracy | 0.8% Reading +0.2% Full Scale | 0.8% Reading +0.2% Full Scale |
| Voltmeter Range(s) | 0-40 kV | 0-60 kV | |
| Currentmeter Range(s) | 0-10 mA | 0-10 mA | |
| Dimensions & Weights |
Controls Length Width Height Weight |
18.5” (464 mm) 10.75” (273 mm) 19.5” (495 mm) 56 lbs(25 kgs) |
15” (381 mm) 10.5” (267 mm) 13” (330 mm) 31 lbs(14 kgs) |
| HV Tank Length Width Height Weight |
one-piece design |
14” (356 mm) 14” (356 mm) 17” (432 mm) 66 lbs(30 kgs) |
|
| Shipping Size Length Width Height Weight |
22” (558 mm) 14” (356 mm) 24” (610 mm) 68 lbs(31 kgs) |
21” (533 mm) 21” (533 mm) 16” (406 mm) 39 lbs(18 kgs) |
|
Length Width Height Weight |
20” (508 mm) 20” (508 mm) 20” (508 mm) 79 lbs(36 kgs) |
||
| Cables Includes |
Input Power | 8’(2.4 m) | 8’(2.4 m) |
| Power Interconnect | 10’(3m) | 10’(3m) (2) | |
| Ground | 10’(3m) | 10’(3m) | |
| Output | 10’(3m) | 5’ (1.5 m) |
Safety and Design Features
- High voltage On/Off pushbuttons with indicator
- Zero Start interlock
- Slow and fast-acting transient protection on all meters and relays
- Digital metering
- Output overload indicator with reset switch
- All interconnect control, power, and output cables are included
- Cable storage provision
- Operation/maintenance manual
Model 640-0.4P
- 1-piece design
- Manual control of output voltage
- Emergency Off pushbutton
- Guard mode for accurate current measurements
- Adjustable overload circuit
Model 660-10P
- 2-piece design
- External interlock provision
- Automated control of output voltage with selectable rate of rise
- Digital timer
- Memory feature in output voltmeter to record breakdown voltage
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