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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:
- 200 kAIC
- Line Lug Size:
- #14-2/0
- Load Lug Size:
- Main fuse
- 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:
- 480 V breaker
- Department:
- Electrical
- Product Finish:
- ANSI 61 gray paint
- Product Material:
- Galvanized steel
B-LINE 217 MTBP MS15 – Frequently Asked Questions
1) Will the B-Line 217 MTBP MS15 meter breaker work on a 480V three-phase four-wire service?
Yes. The 217 MTBP MS15 is built for 3-phase, 4-wire service and carries a 480 V breaker, with a 7-jaw meter socket to match a 3-phase 4-wire metering arrangement. It is a single-position unit, so it serves one meter, not a multi-tenant stack.
2) Can this Eaton B-Line meter breaker be installed outdoors?
Yes, it is rated Type 3R, which is the standard rain and sleet enclosure classification for outdoor service equipment. The housing is galvanized steel finished in ANSI 61 gray paint, and it mounts to the surface of a wall or structure rather than being flush set.
3) What size conductors can I land in the line side lugs of the 217 MTBP MS15?
The line lugs accept #14 through 2/0 conductors. Load side terminates at a main fuse rather than a lug, so plan your load conductor connection around the fuse block, not a separate lug barrel. At #14-2/0 the line range covers copper or aluminum feeders typical of a 100 A service.
4) Is this meter breaker approved for utility installation in EUSERC territory?
It is EUSERC Approved and UL listed. In the western US utilities that specify EUSERC drawings, that approval is what gets the enclosure accepted at inspection, so it is the detail to confirm against the serving utility's approved equipment list before you set it.
5) Can I use this B-Line meter breaker for a 120/240V single phase residential service?
No. This one is configured for 3-phase, 4-wire with a 7-jaw socket and a 480 V breaker. A single phase 120/240 V residential service uses a 4-jaw socket, so the meter will not seat and the utility will reject it. Specify a single-phase 4-jaw meter main instead.
6) What is the short circuit interrupting rating on the B-Line 217 MTBP MS15?
200 kAIC, at a 100 A amperage rating. That high an interrupting rating comes from the fused main arrangement, and it lets the unit sit on services with very high available fault current close to the transformer without needing series-rated downstream protection to cover the enclosure itself.
7) Does this unit include a test bypass for meter changes, and what kind?
Bypass is by test block. That means a meter can be pulled or tested without dropping the service, which is what most utilities require on commercial 3-phase metering. The cover door is a ring type, so the meter is secured with a sealing ring rather than a hinged door.
8) How much wall space and clearance do I need for the 217 MTBP MS15, and how heavy is it?
The enclosure measures 38 in height, 12 in width and 4.63 in depth, and it weighs 38 lb. Allow for the shallow 4.63 in projection off the wall plus working clearance in front of the meter, and plan on a two-person set or a temporary support while you land the mounting fasteners.
How fast can I get the B-LINE 217 MTBP MS15 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 MTBP MS15 come with a warranty?
Absolutely. The B-LINE 217 MTBP MS15 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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