Square D Digest 179

Thermal Units

Thermal Unit Selection Thermal Unit Selection Tables

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Thermal Unit Table 147 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Table 148 (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.

1.04–1.14 1.15–1.29 1.30–1.43 1.44–1.56 1.57–1.79 1.80–2.03 2.04–2.26 2.27–2.51 2.52–3.03 3.04–3.31 3.32–3.73 3.74–4.07 4.08–4.49 4.50–4.76 4.77–5.44 5.45–6.04 6.05–6.46 6.47–7.24 7.25–8.64 8.65–9.59 9.60–10.5 10.6–11.3 11.4–12.6 12.7–13.9 14.0–14.9 15.0–16.5 16.6–18.9 19.0–22.2 22.3–24.6 24.7–28.6 28.7–32.4 32.5–37.3 37.4–39.5 39.6–40.0

0.93–1.04 1.05–1.18 1.19–1.33 1.34–1.43 1.44–1.67 1.68–1.88 1.89–2.09 2.10–2.41 2.42–2.79 2.80–3.15 3.16–3.54 3.55–3.75 3.76–4.22 4.23–4.46 4.47–5.09 5.10–5.61 5.62–5.99 6.00–6.70 6.71–8.19 8.20–8.79 8.80–9.66 9.67–10.2 10.3–11.4 11.5–12.6 12.7–13.5 13.6–15.1 15.2–17.2 17.3–19.9 20.0–22.5 22.6–26.2 26.3–29.9

B1.30 B1.45 B1.67 B1.88 B2.10 B2.40 B2.65 B3.00 B3.30 B3.70 B4.15 B4.85 B5.50 B5.25 B6.90 B7.70 B8.20 B9.10 B10.20 B11.5 B12.8 B14.0 B15.5 B17.5 B19.5 B22.0 B25.0 B28.0 B32.0 B36.0 B40.0 B45.0 B50.0 B56.0

4.14–4.45 4.46–4.88 4.89–5.44 5.45–6.08 6.09–6.42 6.43–7.28 7.29–8.42 8.43–9.64 9.65–10.4 10.5–11.2 11.3–12.3 12.4–13.7 13.8–14.8 14.9–16.5 16.6–18.7 18.8–21.4 21.5–24.3 24.4–28.0 28.1–33.3 33.4–37.6 37.7–41.1 41.2–44.1 44.2–47.8 47.9–50.0

3.70–4.09 4.10–4.35 4.36–5.07 5.08–5.79 5.80–6.27 6.28–7.16 7.17–8.58 8.59–9.55 9.56–10.2 10.3–10.9 11.0–11.9 12.0–13.1 13.2–14.0 14.1–14.8 14.9–17.0 17.1–19.6 19.7–22.1 22.2–26.0 26.1–29.4 29.5–34.0 34.1–36.4 36.5–39.2 39.3–42.4 42.5–49.3 49.4–50.0

B5.50 B6.25 B6.90 B7.70 B8.20 B9.10 B10.2 B11.5 B12.8 B14.0 B15.5 B17.5 B19.5 B22.0 B25.0 B28.0 B32.0 B36.0 B40.0 B45.0 B50.0 B56.0 B62.0 B70.0 B79.0

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

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For Type DPSO52 & DPSO53, 50 A Starter. Select any of the Thermal Units from above.

For Type DPSO42 & DPSO43, 40 A Starter. Select any of the Thermal Units from above.

16-158

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