Square D Digest 179

Thermal Units

Thermal Unit Selection Thermal Unit Selection Tables

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Thermal Unit Table 72 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Table 73 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Number

Thermal Unit Number

1T.U.

3T. U.

1T. U.

3T. U.

2.38–2.62 2.63–2.94 2.95–3.31 3.32–3.43 3.44–3.81 3.82–4.32 4.33–4.75 4.76–5.38 5.39–5.75 5.76–5.97 5.98–6.30 6.31–6.55 6.56–6.89 6.90–7.14 7.15–7.36 7.37–8.30 8.31–8.59 8.60–9.01 9.02–9.68 9.69–9.99 10.0–10.9 11.0–11.3 11.4–12.4 12.5–12.9 13.0–14.0 14.1–14.5 14.6–15.7 15.8–16.6 16.7–18.0 — 16.7–17.6 17.7–18.3 18.4–19.4 19.5–20.5 20.6–21.7 21.8–22.8 22.9–24.3 24.4–24.7 24.8–25.4 25.5–26.0 26.1–27.7 27.8–28.9 29.0–30.6 30.7–32.5 32.6–36.0 — — — — —

2.38–2.62 2.63–2.94 2.95–3.31 3.32–3.43 3.44–3.81 3.82–4.32 4.33–4.75 4.76–5.38 5.39–5.75 5.76–5.97 5.98–6.30 6.31–6.55 6.56–6.89 6.90–7.14 7.15–7.36 7.37–8.30 8.31–8.59 8.60–9.01 9.02–9.68 9.69–9.99 10.0–10.9 11.0–11.3 11.4–12.0 — 11.4–12.4 12.5–12.9 13.0–14.0 14.1–14.5 14.6–15.7 15.8–16.6 16.7–17.6 17.7–18.3 18.4–19.4 19.5–20.5 20.6–21.7 21.8–22.8 22.9–24.3 24.4–24.7 24.8–25.4 25.5–26.0 — — — — —

— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —

2.42–2.67 2.68–3.00 3.01–3.36 3.37–3.53 3.54–3.91 3.92–4.41 4.42–4.83 4.84–5.45 5.46–5.89 5.90–6.04 6.05–6.55 6.56–6.72 6.73–7.00 7.01–7.39 7.40–7.54 7.55–8.41 8.42–8.91 8.92–9.16 9.17–10.0 10.1–10.3 10.4–11.4 11.5–11.8 11.9–12.9 13.0–13.4 13.5–14.2 14.3–15.1 15.2–18.0 — — 15.2–17.1 17.2–18.0 18.1–18.9 19.0–19.7 19.8–20.9 21.0–21.9 22.0–23.1 23.2–24.3 24.4–25.5 25.6–26.0 26.1–26.8 26.9–27.3 27.4–28.7 28.8–30.2 30.3–31.9 32.0–36.0 — — —

2.42–2.67 2.68–3.00 3.01–3.36 3.37–3.53 3.54–3.91 3.92–4.41 4.42–4.83 4.84–5.45 5.46–5.89 5.90–6.04 6.05–6.55 6.56–6.72 6.73–7.00 7.01–7.39 7.40–7.54 7.55–8.41 8.42–8.91 8.92–9.16 9.17–10.0 10.1–10.3 10.4–11.4 11.5–11.8 11.9–12.9 — 11.5–11.8 11.9–12.9 13.0–13.4 13.5–14.2 14.3–15.1 15.2–17.1 17.2–18.0 18.1–18.9 19.0–19.7 19.8–20.9 21.0–21.9 22.0–23.1 23.2–24.3 24.4–25.5 25.6–26.0 — — —

— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

Following Selections for Size M–1 & M–1P Only.

Following Selections for Size M–1 & M–1P Only.

Following Selections for Size M–1P Only.

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Following Selections for Size M–1P Only.

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16-148

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