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SK910209 - 3D
69kV, 600A & 1200A, Laminated Wood Pole

SK761201 - 3D
69kV, 600A & 1200A, Wood Pole

SK010518 - 3D
46kV, 600A & 1200A, Concrete Pole

SK911028 - 3D
69kV, 600A & 1200A, Concrete Pole

SK021116 - 3D
161kV, 2000A, Concrete Pole

SK820519 - 3D
69kV, 600A & 1200A

SK830728 - 3D
115kV, 600A & 1200A

SK001002 - 3D
46kV, 600A & 1200A, Light Duty

SK980919 - 3D
69kV, 600A & 1200A, Light Duty

SK020304 - 3D
115kV, 600A & 1200A, Light Duty

3D

Three Way
Copper

Type 3D, 3-way,
copper side break switch

Type: 3D
Orientation: Phase-over-phase mounting
Ratings:15kV through 161kV
Ratings A: 600, 1200 and 2000 Amperes

Download 3D Catalog (PDF)

Copper construction, field-proven performance and phase-over-phase designs.
Turner's Type 3D side break switch is well suited for phase-over-phase applications, phase-next-to-phase and triangular configurations on the transmission system. Unlike many so-called transmission-switching products that are merely substation switches modified for use on the transmission system, the Type 3D is a true transmission switch. It is designed and built for the harsh environmental conditions, galloping conductors and constant pole movement inherent in severe aerial applications.

The Type 3D switch is designed as a stock switch, suitable for almost any application. A rigid, hard-drawn copper blade with patented locking device, silver-to-copper contacts, double-spring arcing horns and sealed hinge contacts provide heavy-duty construction. Turner Type 3D switches can be used for station isolating and bypassing, distribution and transmission line sectionalizing or isolating arrestors, metering equipment and other apparatus. Right hand or left hand opening can be specified at time of order. They are easily upgraded for automatic operation and load breaking.

Secure Blade Closing
Turner Type 3D switches firmly close into position, with the blade tip engaging the jaws with sufficient force to expand the contact jaws, preventing any blade bounce. Both the blade and jaw contacts are wiped clean during the closing action to ensure a low resistance current transfer. A heavy-duty blade-locking device keeps the blade closed despite temporary faults, surge currents, twist­ing structures or galloping conductors.

The lock is released during the switch opening sequence. This action, exclusive to Turner 3D switches, breaks up any ice or contamination, and releases the contact friction, allowing the blade to easily be removed from the contacts.

Make Your Side Break a Load-Break Switch
For more than 35 years, Turner Electric's TECO-Rupter® Vacuum Interrupters have been the technology of choice for loop and load-break applications because of their current-interrupting ability, superior reliability and ease of application.

The TECO-Rupter offers industry leading performance levels including superior TRV ratings compared to other load-break technologies such as SF6, longer service life and greater interrupting capacity. No other load-break device provides 5,000 full load operations at either 2,000 or 3,000 Ampere ratings and a TRV rating up to 57kV.

Ordering Information

 
  Switch Rating Station Post Insulators Catalog Number  
 
 VoltageContinuous
Current
Peak AmpsTechnical
Reference #
Phase-Over-Phase
Mounting
 
 15kV60065,000TR2053D01506 
120099,0003D01512 
2000164,0003D01520 
 23kV60065,000TR2083D02306 
120099,0003D02312 
2000164,0003D02320 
 34kV60065,000TR2103D03406 
120099,0003D03412 
2000164,0003D03420 
 46kV60065,000TR2143D04606 
120099,0003D04612 
2000164,0003D04620 
 69kV60065,000TR2163D06906 
120099,0003D06912 
2000164,0003D06920 
 115kV60065,000TR2863D11506 
120099,0003D11512 
2000164,0003D11520 
 138kV60065,000TR2883D13806 
120099,0003D13812 
2000164,0003D13820 
 161kV60065,000TR2913D16106 
120099,0003D16112 
2000164,0003D16120