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POBA Series

Switchgear Bushing

  • for outdoor service
  • air to air environment
  • up to 46kV/250kV BIL
  • up to 4000 amps
  • 4.00''- 6.00'' below flange diameter
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Voltage (kV)
BIL (kV)
Current (Amps)
No. of Mounting Holes
Shield Length (Inches)
Drawing Purchase
161-130A-21 - 15 110 1200 4 7.38 Request Quote Cart
161-135A-21 - 15 110 1200 6 7.38 Request Quote Cart
161-150A-21 - 15 110 2000 4 7.38 Request Quote Cart
161-155A-21 - 15 110 2000 6 7.38 Request Quote Cart
161-430A-21 - 25 150 1200 4 7.38 Request Quote Cart
161-435A-21 - 25 150 1200 6 7.38 Request Quote Cart
161-450-21 - 25 150 2000 4 7.38 Request Quote Cart
161-455A-21 - 25 150 2000 6 7.38 Request Quote Cart
161-475C-21 - 25 150 3600 6 7.38 Request Quote Cart
161-730A-21 - 38 200 1200 4 7.38 Request Quote Cart
161-735A-21 - 38 200 1200 6 7.38 Request Quote Cart
161-738-01 - 38 200 1200 4 7.38 Request Quote Cart
161-757-01 - 38 200 2000 4 2.00 Request Quote Cart
161-930-01 - 46 250 1200 6 4.00 Request Quote Cart
169-445-21 - 25 150 1200 4 9.00 Request Quote Cart
Voltage (kV)
BIL (kV)
Current (Amps)
No. of Mounting Holes
Shield Length (Inches)
Drawing Purchase
161-130A-21 - 15 110 1200 4 7.38 Request Quote Cart
161-135A-21 - 15 110 1200 6 7.38 Request Quote Cart
161-150A-21 - 15 110 2000 4 7.38 Request Quote Cart
161-155A-21 - 15 110 2000 6 7.38 Request Quote Cart
161-430A-21 - 25 150 1200 4 7.38 Request Quote Cart
161-435A-21 - 25 150 1200 6 7.38 Request Quote Cart
161-450-21 - 25 150 2000 4 7.38 Request Quote Cart
161-455A-21 - 25 150 2000 6 7.38 Request Quote Cart
161-475C-21 - 25 150 3600 6 7.38 Request Quote Cart
161-730A-21 - 38 200 1200 4 7.38 Request Quote Cart
161-735A-21 - 38 200 1200 6 7.38 Request Quote Cart
161-738-01 - 38 200 1200 4 7.38 Request Quote Cart
161-757-01 - 38 200 2000 4 2.00 Request Quote Cart
161-930-01 - 46 250 1200 6 4.00 Request Quote Cart
169-445-21 - 25 150 1200 4 9.00 Request Quote Cart
Voltage (kV)
BIL (kV)
Current (Amps)
No. of Mounting Holes
Shield Length (Inches)
Drawing Purchase
161-130A-21 - 15 110 1200 4 7.38 Request Quote Cart
161-135A-21 - 15 110 1200 6 7.38 Request Quote Cart
161-150A-21 - 15 110 2000 4 7.38 Request Quote Cart
161-155A-21 - 15 110 2000 6 7.38 Request Quote Cart
161-430A-21 - 25 150 1200 4 7.38 Request Quote Cart
161-435A-21 - 25 150 1200 6 7.38 Request Quote Cart
161-450-21 - 25 150 2000 4 7.38 Request Quote Cart
161-455A-21 - 25 150 2000 6 7.38 Request Quote Cart
161-475C-21 - 25 150 3600 6 7.38 Request Quote Cart
161-730A-21 - 38 200 1200 4 7.38 Request Quote Cart
161-735A-21 - 38 200 1200 6 7.38 Request Quote Cart
161-738-01 - 38 200 1200 4 7.38 Request Quote Cart
161-757-01 - 38 200 2000 4 2.00 Request Quote Cart
161-930-01 - 46 250 1200 6 4.00 Request Quote Cart
169-445-21 - 25 150 1200 4 9.00 Request Quote Cart
Voltage (kV)
BIL (kV)
Current (Amps)
No. of Mounting Holes
Shield Length (Inches)
Drawing Purchase
161-130A-21 - 15 110 1200 4 7.38 Request Quote Cart
161-135A-21 - 15 110 1200 6 7.38 Request Quote Cart
161-150A-21 - 15 110 2000 4 7.38 Request Quote Cart
161-155A-21 - 15 110 2000 6 7.38 Request Quote Cart
161-430A-21 - 25 150 1200 4 7.38 Request Quote Cart
161-435A-21 - 25 150 1200 6 7.38 Request Quote Cart
161-450-21 - 25 150 2000 4 7.38 Request Quote Cart
161-455A-21 - 25 150 2000 6 7.38 Request Quote Cart
161-475C-21 - 25 150 3600 6 7.38 Request Quote Cart
161-730A-21 - 38 200 1200 4 7.38 Request Quote Cart
161-735A-21 - 38 200 1200 6 7.38 Request Quote Cart
161-738-01 - 38 200 1200 4 7.38 Request Quote Cart
161-757-01 - 38 200 2000 4 2.00 Request Quote Cart
161-930-01 - 46 250 1200 6 4.00 Request Quote Cart
169-445-21 - 25 150 1200 4 9.00 Request Quote Cart

General Description
- Voltage ratings from 8.7kV to 46kV
- Current rating up to 4000A
- Flammability rating, UL 94 V0
- Individual test reports provided
- Designed and tested to meet applicable CSA, IEC and IEEE standards

Applications
The POBA series bushings are designed for outdoor service and UV exposure, for ambient temperatures between -50°C and +75°C. Applications include:
- Air to air environment
- Switchgear and power apparatus installations
- Design options  for extreme environmental conditions are available

Construction
- Cast in high dielectric strength Cycloaliphatic grey epoxy
- Capacitance graded condenser type bushings with internal ground shield for control of electric field distribution
- Customized ground shield and bushing lengths are available
- Electrolytic copper studs with threaded terminations are standard.  See options tab for alternatives
- Four or six hole mounting options available

Conductor Terminations

Threaded, milled flat or spade connections are available for many internal and external terminations.

Plating

Silver plated conductors are standard for switchgear bushings. Available alternatives are tin or non-plated conductors.

Accessories: Gaskets and NEMA Pad Connectors

- 1/8" or 1/4" thick nitrile gaskets are available upon request. - 2 to 8 hole NEMA thread-on and clamp-on spade connectors are available upon request.