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Eaton B-Line series meter breakers
Manufacturer Resources
Product Specs
- Amperage Rating:
- 200A
- Bypass:
- Test block
- Certifications:
- UL
- Compliances:
- EUSERC Approved
- Cover Door Type:
- Ring
- Degree Of Protection:
- 3R
- Interrupt Rating:
- 22 kAIC
- Line Lug Size:
- #6-250 MCM
- Load Lug Size:
- MCB
- Mounting Method:
- Surface mount
- Number Of Jaws:
- 4
- Number Of Positions:
- 1
- Number Of Wires:
- 1Ø/3W
- Product Height:
- 48 IN
- Product Length Depth:
- 6 IN
- Product Weight:
- 52 LB
- Product Width:
- 14 IN
- Special Features:
- 22 K AIC rated breaker
- Department:
- Electrical
- Product Finish:
- ANSI 61 gray paint
- Product Material:
- Steel
B-LINE 224 MTBH MS45 – Frequently Asked Questions
1) Will the B-Line 224 MTBH MS45 meter breaker work on a single-phase 120/240V residential service?
Yes. The 224 MTBH MS45 is wired 1 phase, 3 wire with a 4-jaw meter socket, which is the standard single-phase residential and light commercial service configuration. 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 on an exterior wall?
Yes. The enclosure is 3R rated, so it is built for outdoor use against rain and falling water, and it is surface mounted to the wall rather than flush set into it. The steel body is finished in ANSI 61 gray paint.
3) What service conductor size will fit the line lugs on the 224 MTBH MS45?
Line lugs accept #6 through 250 MCM, which covers the usual copper and aluminum service entrance conductors for a 200 amp single-phase service. Load side lands on the main circuit breaker itself.
4) Is this meter breaker approved for utility installations in the western US?
It is EUSERC approved and UL listed. EUSERC approval is what most western utilities require before they will set a meter on the equipment, so it is the spec line to point at when you submit the service application.
5) Is 22 kAIC enough interrupting rating for my service location?
The main breaker in this unit is rated 22 kAIC at 200 amps. That covers most residential and light commercial services fed from a typical utility transformer. If the utility's available fault current letter puts you above 22 kA at the service point, you need a higher AIC unit.
6) Does the 224 MTBH MS45 have a lever bypass or a test block?
Test block bypass. If your utility requires a lever or horn bypass for hot meter changes, this is not the right unit; specify a lever bypass version instead. The meter opening uses a ring type cover.
7) How much wall space do I need for this 200 amp meter breaker, and can one person hang it?
Plan for 48 inches high by 14 inches wide, with 6 inches of depth off the wall. It weighs 52 pounds, so it is a two-person lift to hold in position while the top fasteners go in, and the supporting wall needs to carry that load plus the service conductors.
8) Does this combine the meter socket and the main breaker in one enclosure, or do I still need a separate main?
One enclosure does both. The 224 MTBH MS45 is a combination meter breaker: the 4-jaw meter socket and a 200 amp main circuit breaker share the same 3R steel cabinet, with load conductors landing on the breaker. You still feed a separate load center or subpanel downstream for branch circuits.
9) Can I use this for a duplex or two-unit building with two meters?
No. This is a single position unit, one meter only. A two-unit building needs a two-position meter stack or a separate socket per tenant.
How fast can I get the B-LINE 224 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 224 MTBH MS45 come with a warranty?
Absolutely. The B-LINE 224 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 224 MTBH MS45?
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