2020 CMC Product Master Catalog

NEMAMOUNTING TRANSFORMER CONNECTORS

TYPE NNM DUAL-RATED CONNECTORS FOR ALUMINUM OR COPPER CONDUCTORS

600V

• Clear plated for low-contact resistance. • Fully tested to ANSI C119.4 for Class ‘A’ connectors. • Supplied with aluminum radial-tipped set- screws. • Connector fabricated from 6061-T6 aluminum alloy for conductivity and strength. • Includes CO-OX oxide inhibitor in all conductor holes. • Each unit individually wrapped and labeled for ease of identification and cleanliness. • For installation, CMC® recommends the use of a 9” insulated Allen wrench. • A torque wrench should be used to ensure the proper torque is achieved.

H W L Dimensions - Inches Dimensions - (mm)

Cond. Range AWG MM2

Catalog Number

No. of Cond.

Mtg. Hole

250-12 0.56 1.13 0.88 5.78 120-4 14.30 28.70 22.35 146.81 250-12 0.56 1.13 0.88 6.65 120-4 14.30 28.70 22.35 168.91 250-12 0.56 1.13 0.88 8.41 120-4 14.30 28.70 22.35 213.61 250-12 0.56 1.13 0.88 10.16 120-4 14.30 28.70 22.35 258.06 350-12 0.56 1.25 1.00 6.02 185-4 14.30 35.05 25.40 152.91 350-12 0.56 1.25 1.00 6.93 185-4 14.30 35.05 25.40 176.02 350-12 0.56 1.25 1.00 8.75 185-4 14.30 35.05 25.40 222.25 350-12 0.56 1.25 1.00 10.57 185-4 14.30 35.05 25.40 268.48 500-10 0.56 1.63 1.00 6.71 240-4 14.30 41.40 25.40 170.43 500-10 0.56 1.63 1.00 7.9 240-4 14.30 41.40 25.40 200.66 500-10 0.56 1.63 1.00 10.28 240-4 14.30 41.40 25.40 261.11 500-10 0.56 1.63 1.00 12.65 240-4 14.30 41.40 25.40 321.31 750-2 0.56 1.75 1.38 7.28 300-25 14.30 44.45 35.05 184.91 750-2 0.56 1.75 1.38 8.59 300-25 14.30 44.45 35.05 218.19 750-2 0.56 1.75 1.38 11.21 300-25 14.30 44.45 35.05 284.73 750-2 0.56 1.75 1.38 13.83 300-25 14.30 44.45 35.05 351.28

NNM250-3I

3

NNM250-4I

4

NNM250-6I

6

NNM250-8I

8

NNM350-3I

3

NNM350-4I

4

NNM350-6I

6

NEMA Spaced 1.75” Mounting Holes

NNM350-8I

8

NNM500-3I

3

NNM500-4I

4

NNM500-6I

6

NNM500-8I

8

NNM750-3I

3

W

L

NNM750-4I

4

H

NNM750-6I

6

NNM750-8I

8

Note: For omission of CO-OX oxide inhibitor, delete suffix - “I”.

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