Cut Sheet

V10-T11-8 Volume 10—Enclosed Control CA08100012E—November 2012 www.eaton.com
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11.2
Manual Motor Control
Single- and Three-Phase Starters
Heater Selection
Notes
1
Single-phase starters require two overload heaters.
2
Three-phase starters require three overload heaters.
FH series heaters are for type B100 manual motor starters. Heater element selection is based on motor nameplate’s listed full load amperes.
Trip rating of this series of elements is 125% of minimum motor full load amperes listed for the element.
When motor and overload relay are in the same ambient and the service factor of the motor is 1.15 to 1.25, select heaters from the heater selection table.
If the service factor is 1.0 or less (including zero), or a maximum of 115% protection is desired, select a heater one size smaller than indicated for the amperage range required.
Motor
Full Load
Current
Maximum
Fuse
Amps Catalog Number
Motor
Full Load
Current
Maximum
Fuse
Amps Catalog Number
Motor
Full Load
Current
Maximum
Fuse
Amps Catalog Number
Single-Phase Enclosed Starters
1
0.28–0.29 1 FH03 1.90–2.10 7 FH22 9.59–10.40 35 FH40
0.30–0.33 1 FH04 2.11–2.32 8 FH23 10.41–11.30 35 FH41
0.34–0.36 1 FH05 2.33–2.54 8 FH24 11.40–12.20 40 FH42
0.37–0.40 1 FH06 2.55–2.79 9 FH25 12.30–13.50 45 FH43
0.41–0.45 1 FH07 2.80–3.07 10 FH26 13.60–14.90 50 FH44
0.46–0.50 1 FH08 3.08–3.36 10 FH27 15.00–16.00 50 FH45
0.51–0.56 1 FH09 3.37–3.68 10 FH28 16.10–17.10 60 FH46
0.57–0.63 2 FH10 3.69–4.03 10 FH29 17.20–18.30 60 FH47
0.64–0.70 2 FH11 4.04–4.40 15 FH30 18.40–19.70 70 FH48
0.71–0.78 2 FH12 4.41–4.81 15 FH31 19.80–21.20 70 FH49
0.79–0.86 2 FH13 4.82–5.26 15 FH32 21.30–22.80 80 FH50
0.87–0.95 3 FH14 5.27–5.74 15 FH33 22.90–24.50 88 FH51
0.96–1.04 3 FH15 5.75–6.26 20 FH34 24.60–26.40 90 FH52
1.05–1.14 3 FH16 6.27–6.83 20 FH35 26.50–28.50 90 FH53
1.15–1.25 4 FH17 6.84–7.45 25 FH36 28.60–30.80 100 FH54
1.26–1.39 4 FH18 7.46–8.11 25 FH37 30.90–33.30 110 FH55
1.40–1.54 5 FH19 8.12–8.81 30 FH38 33.40–36.00 125 FH56
1.55–1.71
5 FH20 8.82–9.58 30 FH39 36.10–38.90 125 FH57
1.72–1.89 6 FH21
Three-Phase Enclosed Starters
2
0.25–0.26 1 FH03 1.51–1.66 5 FH21 7.12–7.73 25 FH38
0.27–0.29 1 FH04 1.67–1.84 5 FH22 7.74–8.40 25 FH39
0.30–0.32 1 FH05 1.85–2.03 7 FH23 8.41–9.12 30 FH40
0.33–0.35 1 FH06 2.04–2.23 7 FH24 9.13–9.89 35 FH41
0.36–0.39 1 FH07 2.24–2.45 8 FH25 9.90–10.70 35 FH42
0.40–0.44 1 FH08 2.46–2.69 9 FH26 10.80–11.80 40 FH43
0.45–0.49 1 FH09 2.70–2.95 10 FH27 11.90–13.00 45 FH44
0.50–0.55 1 FH10 2.96–3.23 10 FH28 13.10–14.00 50 FH45
0.56–0.61 2 FH11 3.24–3.53 10 FH29 14.10–15.00 50 FH46
0.62–0.68 2 FH12 3.54–3.85 10 FH30 15.10–16.10 50 FH47
0.69–0.75 2 FH13 3.86–4.22 10 FH31 16.20–17.30 60 FH48
0.78–0.83 2 FH14 4.23–4.61 15 FH32 17.40–18.60 60 FH49
0.84–0.91 3 FH15 4.62–5.03 15 FH33 18.70–20.00 70 FH50
0.92–1.00 3 FH16 5.04–5.49 15 FH34 20.10–21.50 70 FH51
1.01–1.10 3 FH17 5.50–5.99 20 FH35 21.60–23.20 80 FH52
1.11–1.22 4 FH18 6.00–6.53 20 FH36 23.30–25.00 80 FH53
1.23–1.35 4 FH19 6.54–7.11 25 FH37 25.10–26.80 90 FH54
1
.36–1.50
5 FH20