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Sine Control PowerClamp


Series 4

POWERCLAMP is a sophisticated surge suppression unit that offers the ultimate in transient protection.


POWERCLAMP is a sophisticated surge suppression unit that provides the ultimate in transient protection with much lower clamping levels than any other TVSS device.

POWERCLAMP Series 4 wire-in PARALLEL TVSS devices are ideally suited for hospitals, airports, data centers, military installations, manufacturing plants and similar mission-critical facilities that have moderate exposure to lightning and other extreme transients. They are rated at 60,000 surge amps per phase and will prevent power line spikes from damaging computers and other sensitive equipment. Their superior surge suppression will greatly improve system reliability and prevent the failures that are caused by power line disturbances. Operation is not affected by the power requirements of the load. Each line phase is fused, with a fuse status lamp. An unlikely failure will not interrupt power to the load. POWERCLAMP Series 4 units should be installed at sub-panels or on branch circuits with upstream (main panel) protection. The Series 4 can also be used at the main entry panel in residential environments.


POWERCLAMP Transient Voltage Surge Suppressor (TVSS) device is a passive, multi-staged hybrid high energy parallel device designed to react to the onset of surges with fast rise times and high amplitude ranges such as those which follow sags or other external or atmospheric induced impulses. POWERCLAMP senses the fast ramp of the transient and automatically fixes on the peak of the line voltage waveform. The unit incorporates sine wave tracking, to ‘float’ the clamping threshold with the rise and fall of the peak of the AC waveform without creating wave shape distortion. Response times are within 1-2 nanoseconds. POWERCLAMP will clamp many transients to within 2 volts of the AC waveform. Units operate at up to 120% of the normal line voltage.

Additional information

Weight 3.6287 kg
Product can be split into multiple boxes


Ship Separately



Technical Specifications:

Response time:
1-2 nanoseconds

Maximum leakage current:

One fuse per phase with failure indicator lamps

Minimum Humidity Range:
5% to 97%

Operating temperature:
-20ºC (-68º F) to 70º C (158º F) ambient temperature

(all units) 6" wide, 6" high, 4" deep

Shipping weight:
approximately 8 lbs. (including packaging)



60, 000 Surge Amps Per Mode
High Energy Dissipation
Meets ANSI/IEEE C62-41 1980 
Fault Indicating lamps
2 Volt Clamping Level
Maintenance Free
Meets UL-1449-1994
Full Voltage Range
1-2 Nanosecond Response Time
Sine wave tracking
Voltage Reactive
Parallel Wire-in Design
Simple Installation
Passive System
5 Year Warranty


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STUDIO Power Distribution Sine Control PowerClamp