Square D Digest 179

Thermal Units

Thermal Unit Selection Thermal Unit Selection Tables

www.se.com/us

Thermal Unit Table 74 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Table 75 (index and instructions: page 16-134 to page 16-138) Motor FLC (A) Thermal Unit Number

Thermal Unit Number

1T. U.

3T.U.

3.22–3.57 3.58–4.14 4.15–4.56 4.57–5.10 5.11–5.39 5.40–5.64 5.65–5.96 5.97–6.25 6.26–6.58 6.59–6.91 6.92–7.41 7.42–7.82 7.83–8.32 8.33–8.89 8.90–9.47 9.48–10.0 10.1–10.5 10.6–11.1 11.2–12.0 12.1–12.7 12.8–13.5 13.6–14.6 14.7–15.7 15.8–16.5 16.6–17.4 17.5–18.8 18.9–20.1 20.2–21.0 21.1–21.6 21.7–23.3 23.4–24.3 24.4–25.0 25.1–26.3 26.4–27.6 27.7–29.1 29.2–30.4 30.5–32.0 32.1–33.3 33.4–35.2 35.3–37.0 37.1–38.5 38.6–40.7 40.8–45.0

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

2.23–2.47 2.48–2.76 2.77–3.04 3.05–3.24 3.25–3.61 3.62–4.19 4.20–4.62 4.63–5.14 5.15–5.39 5.40–5.69 5.70–5.99 6.00–6.29 6.30–6.64 6.65–6.99 7.00–7.39 7.40–7.79 7.80–7.94 7.95–8.49 8.50–8.99 9.00–9.59 9.60–10.1 10.2–10.6 10.7–11.3 11.4–12.0 12.0–12.6 12.7–13.8 13.9–14.7 14.8–15.2 15.3–16.2 16.3–18.0 — — 13.9–14.7 14.8–15.2 15.3–16.2 16.3–17.4 17.5–18.5 18.6–19.6 19.7–20.2 20.3–21.5 21.6–22.4 22.5–23.2 23.3–24.3 24.4–25.4 25.5–26.0

2.23–2.47 2.48–2.76 2.77–3.04 3.05–3.24 3.25–3.61 3.62–4.19 4.20–4.62 4.63–5.14 5.15–5.39 5.40–5.69 5.70–5.99 6.00–6.29 6.30–6.64 6.65–6.99 7.00–7.39 7.40–7.79 7.80–7.94 7.95–8.49 8.50–8.99 9.00–9.59 9.60–10.1 10.2–10.6 10.7–11.3 11.4–12.0 12.0–12.6 12.7–13.8 13.9–14.7 14.8–15.2 15.3–16.2 16.3–17.4 17.5–18.5 18.6–19.6 19.7–20.2 20.3–21.5 21.6–22.4 22.5–23.2 23.3–24.3 24.4–25.4 25.5–26.0 — — — — — —

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

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

Following Selections for Size 1 Only.

Thermal Unit Table 77 (index and instructions: page 16-134 to page 16-138) Motor FLC (A) Thermal Unit Number

Thermal Unit Table 76 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Number

48.0–50.9 51.0–53.7 53.8–57.0 57.1–60.4 60.5–64.0 64.1–71.9 72.0–83.9 84.0–93.1 93.2–104 105–109 110–123 124–133

— — — — — — — — —

19.9–20.8 20.9–22.2 22.3–23.8 23.9–25.4 25.5–27.2 27.3–29.2 29.3–31.9 32.0–33.8 33.9–36.1 36.2–38.5 38.6–41.4 41.5–43.6 43.7–45.9 46.0–48.2 48.3–50.7 50.8–53.9 54.0–56.7 56.8–60.8 60.9–67.6 67.7–73.6 73.7–82.9 83.0–86.0

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

— FB105.0 —

16-149

© 2024 Schneider Electric All Rights Reserved