The gracefully curved mastarm is bolted to the tapered octagonal pole and braced for rigidity. The curved mastarm raises the luminaire 1’ above the pole top. This arm design blends well with our davit design models for those who prefer a bolt-on arm. A popular design for street, highway, bridge and ramp lighting as well as parking lots and drive-in businesses.

Breakaway Safety Bases meeting AASHTO requirements are available.

Finish:
Choice of Millerbond Factory Finish, Prime Coat, Self-Weathering or Galvanized.

Shaft Material:
High-strength steel with minimum yield strength of 50,000 PSI; ultimate tensile strength of 70,000 PSI.

Note:
Poles with mounting height over 40’ are furnished in two sections with a telescoping joint.

Twin Models Available:

Base Styles:

 (Click Images for More Information)

Mast Arm

Mounting

Max EPA

Weight of

Dimensions

Anchor Bolt

Model

Spread

Height

@80 MPH

Pole (lbs.)

Top / Bottom

Circle / Size

No.

4'

26.0'

2.4

244

4" / 8.6"

11" / 1"x40”

NA4-260

4'

31.0'

2.4

285

4" / 8.6"

11" / 1"x40”

NA4-310

4'

36.0'

2.4

326

4" / 8.6"

11" / 1"x40”

NA4-360

4'

41.0'

2.4

392

4" / 9.6"

12" / 1"x40”

NA4-410

4'

51.0'

2.4

662

4" / 10.6"

13.5" / 1.25"x48”

NA4-510

6'

26.0'

2.4

250

4" / 8.6"

11" / 1"x40”

NA6-260

6'

31.0'

2.4

291

4" / 8.6"

11" / 1"x40”

NA6-310

6'

36.0'

2.4

332

4" / 8.6"

11" / 1"x40”

NA6-360

6'

41.0'

2.4

398

4" / 9.6"

12" / 1"x40”

NA6-410

6'

51.0'

2.4

668

4" / 10.6"

13.5" / 1.25"x48”

NA6-510

8'

26.0'

2.4

257

4" / 8.6"

11" / 1"x40”

NA8-260

8'

31.0'

2.4

298

4" / 8.6"

11" / 1"x40”

NA8-310

8'

36.0'

2.4

339

4" / 8.6"

11" / 1"x40”

NA8-360

8'

41.0'

2.4

405

4" / 9.6"

12" / 1"x40”

NA8-410

8'

51.0'

2.4

675

4" / 10.6"

13.5" / 1.25"x48”

NA8-510

Mast Arm

Mounting

Max EPA

Weight of

Dimensions

Anchor Bolt

Model

Spread

Height

@80 MPH

Pole (lbs.)

Top / Bottom

Circle / Size

No.

4'

25.75'

2.4

249

4" / 7.0"

15" / 1"x40”

NH4-259

4'

30.75'

2.4

317

4" / 8.6"

15" / 1"x40”

NH4-309

4'

35.75'

2.4

358

4" / 8.6"

15" / 1"x40”

NH4-359

4'

40.75'

2.4

422

4" / 9.6"

15" / 1"x40”

NH4-409

4'

50.75'

2.4

693

4" / 10.6"

15" / 1.25"x48”

NH4-509

6'

25.75'

2.4

255

4" / 7.0"

15" / 1"x40”

NH6-259

6'

30.75'

2.4

323

4" / 8.6"

15" / 1"x40”

NH6-309

6'

35.75'

2.4

364

4" / 8.6"

15" / 1"x40”

NH6-359

6'

40.75'

2.4

428

4" / 9.6"

15" / 1"x40”

NH6-409

6'

50.75'

2.4

699

4" / 10.6"

15" / 1.25"x48”

NH6-509

8'

25.75'

2.4

262

4" / 7.0"

15" / 1"x40”

NH8-259

8'

30.75'

2.4

330

4" / 8.6"

15" / 1"x40”

NH8-309

8'

35.75'

2.4

371

4" / 8.6"

15" / 1"x40”

NH8-359

8'

40.75'

2.4

435

4" / 9.6"

15" / 1"x40”

NH8-409

8'

50.75'

2.4

706

4" / 10.6"

15" / 1.25"x48”

NH8-509

Mast Arm

Mounting

Max EPA

Weight of

Dimensions

Anchor Bolt

Model

Spread

Height

@80 MPH

Pole (lbs.)

Top / Bottom

Circle / Size

No.

4'

25.25'

2.4

265

4" / 7.0"

15" / 1"x40”

NT4-253

4'

30.25'

2.4

331

4" / 8.6"

15" / 1"x40”

NT4-303

4'

35.25'

2.4

372

4" / 8.6"

15" / 1"x40”

NT4-353

4'

40.25'

2.4

536

4" / 9.6"

15" / 1"x40”

NT4-403

4'

50.25'

2.4

789

4" / 10.6"

17" / 1.25"x48”

NT4-503

6'

25.25'

2.4

271

4" / 7.0"

15" / 1"x40”

NT6-253

6'

30.25'

2.4

337

4" / 8.6"

15" / 1"x40”

NT6-303

6'

35.25'

2.4

378

4" / 8.6"

15" / 1"x40”

NT6-353

6'

40.25'

2.4

542

4" / 9.6"

15" / 1"x40”

NT6-403

6'

50.25'

2.4

795

4" / 10.6"

17" / 1.25"x48”

NT6-503

8'

25.25'

2.4

278

4" / 7.0"

15" / 1"x40”

NT8-253

8'

30.25'

2.4

344

4" / 8.6"

15" / 1"x40”

NT8-303

8'

35.25'

2.4

385

4" / 8.6"

15" / 1"x40”

NT8-353

8'

40.25'

2.4

549

4" / 9.6"

15" / 1"x40”

NT8-403

8'

50.25'

2.4

802

4" / 10.6"

17" / 1.25"x48”

NT8-503

Millerbernd Manufacturing Company
622 6th Street South, P.O. Box 98
Winsted, Minnesota 55395
dclark@millerberndmfg.com
Phone: (320) 485-2111
Fax: (320) 485-4420