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Eaton B-Line series meter breakers
Manufacturer Resources
Product Specs
- Amperage Rating:
- 100A
- Bypass:
- Test block
- Certifications:
- UL
- Compliances:
- EUSERC Approved
- Cover Door Type:
- Ring
- Degree Of Protection:
- 3R
- Interrupt Rating:
- 22 kAIC
- Line Lug Size:
- #14-2/0
- Load Lug Size:
- MCB
- Mounting Method:
- Surface mount
- Number Of Jaws:
- 7
- Number Of Positions:
- 1
- Number Of Wires:
- 3Ø/4W
- Product Height:
- 38 IN
- Product Length Depth:
- 4.63 IN
- Product Weight:
- 38 LB
- Product Width:
- 12 IN
- Special Features:
- 22K AIC rated breaker
- Department:
- Electrical
- Product Finish:
- ANSI 61 gray paint
- Product Material:
- Galvanized steel
B-LINE 217 MTBH MS45 – Frequently Asked Questions
1) Will the B-Line 217 MTBH MS45 meter breaker work on a 3-phase 4-wire service?
Yes. The 217 MTBH MS45 is built for 3-phase, 4-wire service and uses a 7-jaw meter socket, which is the jaw count that goes with a 3-phase 4-wire network meter. It is a single position unit rated 100 A, so it serves one meter, not a multi-tenant stack.
2) Can the B-Line 217 MTBH MS45 meter breaker be mounted outdoors?
Yes. It carries a 3R degree of protection, which is the rain-tight rating used for outdoor service equipment, and the enclosure is galvanized steel finished in ANSI 61 gray paint. It is a surface mount unit, so you are hanging it on the wall face rather than recessing it into the framing.
3) What size service conductors will land in the line lugs on the 217 MTBH MS45?
The line lugs take #14 through 2/0 conductors. Load side terminates at the main circuit breaker lugs. If your service entrance conductors are larger than 2/0, this is the wrong enclosure for the run and you need a higher amperage socket.
4) Does the 217 MTBH MS45 have a bypass for changing the meter without dropping the load?
It uses a test block rather than a lever bypass. That lets the utility test or swap the meter through the block, but it is not a manual lever bypass arrangement. Confirm your serving utility accepts a test block on this class of service before you set the can.
5) How much wall space do I need for the B-Line 217 MTBH MS45 and how heavy is it?
It measures 38 x 12 x 4.63 inches and weighs 38 pounds. That is a tall, narrow footprint, so plan the working clearance in front of it and a two-person lift or a helper on the wall anchors when you hang it.
6) Is the meter on the 217 MTBH MS45 behind a ring or a hinged door?
The meter is covered by a ring style cover, not a hinged door. Utilities that require a ringless can will not accept it, so check the meter department's spec sheet for your service area before ordering.
7) Is the B-Line 217 MTBH MS45 a single meter unit or can it feed multiple tenants?
Single meter only. It has one meter position at 100 A, so it suits one dwelling, one shop, or one 3-phase service point. For a multi-family building or a strip of tenant spaces you need a multi-position meter stack instead.
8) What is the exact part number to order the Eaton B-Line 100A 7-jaw meter breaker?
Order it as B-Line 217 MTBH MS45. That is the Eaton B-Line series meter breaker designation, 100 A, 7 jaw, 3-phase 4-wire, 3R surface mount with a ring cover.
How fast can I get the B-LINE 217 MTBH MS45 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE 217 MTBH MS45 come with a warranty?
Absolutely. The B-LINE 217 MTBH MS45 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE 217 MTBH MS45?
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