Using the illustrated catalog number...

Question 1 / 205eccefa4bacbc34ba4d482be

Question 1 of 205eccefa4bacbc34ba4d482be

Using the illustrated catalog number selection chart, determine the correct catalog number for a motor contactor that meets the following selection criteria: a 3-pole, NEMA non-reversing contactor with an open enclosure rated at 18 continuous amperes, fitted with an operating coil rated at 208 VAC/60Hz. See illustration EL-0180.

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5eccefa4bacbc34ba4d482be

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🔍 Key Concepts

• Use the example catalog number at the top to understand what each letter/number position means before looking at the choices • Match the required specs: device type (contactor vs starter), standard (NEMA), non‑reversing, 3‑pole, open enclosure, 18 A, 208 VAC/60 Hz coil to the correct positions in the catalog number • Use the Contactor Frame Size and AC Coil Suffix tables on the chart to translate 18 A and 208 V/60 Hz into the correct letter codes

💭 Think About

• Start from the left side of the catalog number: which letter must appear first for a contactor instead of a starter, and which letter indicates NEMA standard? Compare that pattern with each answer choice • Locate 18 continuous amperes in the Contactor Frame Size table. What suffix letter does 18 A correspond to, and where should that letter appear in the catalog number? • Look at the AC Coil Suffix table: which suffix matches 208 VAC/60 Hz? Check which choices end with that correct coil suffix while still matching all the earlier requirements

✅ Before You Answer

• Confirm that the selected part number shows C = Contactor and N = NEMA in the correct positions • Verify that the frame size suffix in the number matches 18 continuous amperes exactly (not 9 A, 27 A, etc.) • Make sure the coil suffix at the end of the catalog number matches 208 VAC/60 Hz on the chart—this is critical to distinguish between very similar choices

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Question 1 of 20

CE15BN3E

AN15BN3E

CN15BN3E5G020

CN15BN3E

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Question 1 / 205eccefa4bacbc34ba4d482be

Question 1 of 205eccefa4bacbc34ba4d482be

Back

Question 1 of 20

5eccefa4bacbc34ba4d482be

No comments yet

Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed