Square D Digest 179

Thermal Units

Thermal Unit Selection Thermal Unit Selection Tables

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Thermal Unit Table 103 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Table 104 (index and instructions: page 16-134 to page 16-138) Motor FLC (A) Thermal Unit Number

Thermal Unit Number

Max. Fuse Rating (A)

40.8–45.5 45.6–49.9 51.0–57.5 57.6–65.9 66.0–73.1 73.2–81.5 81.6–92.3 92.4–104 105–114 115–128 129–140 141–160 161–193 194–209 210–232 233–248 249–266

B1.03 B1.16 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 B6.25 B6.90

0.65–0.73 0.74–0.82 0.93–0.91 0.92–1.04 1.05–1.16 1.17–1.26 1.27–1.47 1.48–1.65 1.66–1.89 1.90–2.17 2.18–2.49 2.50–2.79 2.80–3.13 3.14–3.36 3.37–3.69 3.70–3.92 3.93–4.42 4.43–4.99 5.00–5.27 5.28–5.84 5.85–6.61 6.62–7.42 7.43–8.02 8.03–8.53 8.54–9.34 9.35–10.1 10.2–10.8 10.9–12.0 12.1–13.0 13.1–15.5 15.6–17.9 18.0–21.4 21.5–25.1 25.2–27.0

B1.03 B1.16 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 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

1.50 1.50 1.60 2.00 2.00 2.25 2.60 3.00 3.50 4.00 4.50 5.00 5.60 6.00 7.00 7.00 8.00 9.00 10.0 12.0 12.0 15.0 15.0 15.0 17.5 17.5 20.0 25.0 25.0 30.0

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

600VMax.

250VMax.

30 30 30 30

30 40 40 40

Thermal Unit Table 109 (index and instructions: page 16-134 to page 16-138) Motor FLC (A) Thermal Unit Number

Thermal Unit Table 105 (index and instructions: page 16-134 to page 16-138) Motor FLC (A)

Thermal Unit Number

0.56–0.63 0.64–0.68 0.69–0.77 0.78–0.85 0.86–0.97 0.98–1.09 1.10–1.21 1.22–1.33 1.34–1.53 1.54–1.73 1.74–1.89 1.90–2.17 2.18–2.53 2.54–2.87 2.88–3.22 3.23–3.49 3.50–3.85 3.86–4.11 4.12–4.70 4.71–5.21 5.22–5.53 5.54–6.17 6.18–7.02 7.03–7.92 7.93–8.61 8.62–9.17 9.18–10.0 10.1–11.0 11.1–11.8 11.9–13.5 13.6–15.3 15.4–17.4 17.5–19.4 19.5–22.2 22.3–25.1 25.2–27.0

B0.81 B0.92 B1.03 B1.16 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 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

105–112 113–122 123–131 132–142 143–153 154–157 158–169 170–181 182–195 196–209 210–227 228–247 248–266

CC74.6 CC81.5 CC87.7 CC94.0 CC112.0 CC121.0 CC132.0 CC143.0 CC156.0 CC167.0 CC180.0 CC196.0 —

16-154

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