Control_Flippingbook_July 2024

1-165

NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

— CR340, CR341 pumping panels Heaters

Class 20 overload heaters For use with polyphase motors. For continuous rated motors with a service factor of 1.15 to 1.25, select heaters from the heater table for the motor full-load amperes. This provides a maximum of 125% protection. For continuous rated motors with 1.0 service factor, multiply the full-load amperes of the motor by 0.90 and use this value to select heaters.

Ordering information All heaters listed are packaged in multiples of three. Items of these heaters should be ordered in quantities of three-unit multiples (such as 3, 6, 9, 12, etc.). The minimum order quantity is three. Example: (For motors with FLA of 9.28)

Item 1- 2 CR341D013C for 2 motors. Item 1A-6 CR123C104B for starters.

— Size 1 — Class 20 overload relay heaters

— Size 2 — Class 20 overload relay heaters

Motor full-load amps 3-Phase 3-heaters

Motor full-load amps 3-Phase 3-heaters

Heater product number

Max. fuse rating

Max. breaker rating

TEC/TECL rating

Heater product number CR123C630A CR123C695A CR123C778A CR123C867A CR123C955A CR123C104B CR123C113B CR123C125B CR123C137B CR123C151B CR123C163B CR123C180B CR123C198B CR123C214B CR123C228B CR123C250B CR123C273B CR123C303B CR123C330B CR123C366B CR123C400B CR123C440B CR123C460B

Max. fuse rating

Max. breaker rating

TEC/TECL rating

0.41–0.45 0.46–0.49 0.50–0.53 0.54–0.59 0.60–0.65 0.66–0.76 0.77–0.84 0.85–0.93 0.94–1.04 1.05–1.15 1.16–1.27 1.28–1.39 1.40–1.55 1.56–1.73 1.74–1.89 1.90–2.05 2.06–2.28 2.29–2.47 2.48–2.79 2.80–3.31 3.32–3.70 3.71–4.06 4.07–4.47 4.48–4.95 4.96–5.49 5.50–5.91 5.92–6.47 6.48–7.20 7.21–8.22 8.23–8.72 8.73–9.67 9.68–10.4 10.5–11.0 11.1–12.4 12.5–13.2 13.3–15.4 15.5–17.1 17.2–18.1 18.2–20.0 20.1–21.5 21.6–22.5 22.6–23.9 24.0–26.3 26.4–27.0

CR123C054A CR123C060A CR123C066A CR123C071A CR123C078A CR123C087A CR123C097A CR123C109A CR123C118A CR123C131A CR123C148A CR123C163A CR123C184A CR123C196A CR123C220A CR123C239A CR123C268A CR123C301A CR123C326A CR123C356A CR123C379A CR123C419A CR123C466A CR123C526A CR123C592A CR123C630A CR123C695A CR123C778A CR123C867A CR123C955A CR123C104B CR123C113B CR123C125B CR123C137B CR123C151B CR123C163B CR123C180B CR123C198B CR123C214B CR123C228B CR123C250B CR123C273B CR123C303B CR123C330B

3 3 3 3 3 3 3 3 3 3 3 3 6 6 6 6 6 6

–

– – – – – 3 3 3 3 3 3 3 3 3 3 3 3 3 7 7 7 7 7 7 7 7

5.48–5.85 5.86–6.47 6.48–7.35 7.36–8.06 8.07–9.03 9.04–9.61 9.62–10.5 10.6–11.6 11.7–12.5 12.6–13.6 13.7–16.7 16.8–17.9 18.0–18.7 18.8–20.4 20.5–22.7 22.8–24.7 24.8–26.3 26.4–29.5 29.6–32.5 32.6–36.7 36.8–41.9 42.0–43.2 43.3–45.0

20 20 25 30 30 35 35 40 45 50 60 60 70 80 80 90 90

– – – – –

– – – – –

15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 20 20 20 20 30 30 30 30 40 40 50 50 50 50 50 50 70 70 70 70

30 30 40 40 50 50 50 70 70 70 70 70

15 15 15 15 15 30 30 30 30 30 30 30 50 50 50 50

100 100 100 100 100 100

100 100 100 100 100 100

30, 50

10 10 10 15 15 15 20 20 25 25 30 30 35 35 40 45 50 60 60 70 70 80 80 80 90 90

–

15 15 15 15 15 15 15 15 30 30 30 30 30 30 30

15, 30

30, 50

50