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Manufacturer Resources
Spec Sheet
Product Specs
- Department:
- Electrical
- Product Type:
- Multiple metering
- Product Length:
- 13.5 IN
- Product Details:
- Multiple metering
- Product Height:
- 74.96 IN
- Product Weight:
- 106 LB
- Product Width:
- 6.87 IN
B-LINE 3MM520RRLB – Frequently Asked Questions
1) What is a residential meter stack like the Eaton 3MM used for?
It is a multiple metering assembly: one factory-built enclosure that houses the service gear for several individual metered units instead of separate meter sockets and panels for each one. The typical application is multi-family - duplexes, fourplexes, small apartment and townhouse buildings - where each tenant needs their own revenue meter fed from a common service. For a property manager or an electrical contractor it collapses the service wall into a single stacked assembly.
2) Where can I get the full electrical ratings for the Eaton 3MM520RRLB?
Eaton publishes a dedicated spec sheet for the 3MM520RRLB, and it is linked directly from the product information. That document is where you confirm the service amperage, voltage, number of meter positions and the branch device provisions before you submit the assembly for permit or inspection. The catalog number to quote on your submittal is 3MM520RRLB.
3) Is B-Line the same thing as Eaton on the 3MM meter stack?
Yes. B-Line is an Eaton brand, and the 3MM520RRLB is sold under both names - you will see it referenced as a B-Line item and as an Eaton 3MM residential meter stack. Order against the catalog number 3MM520RRLB and you have the right assembly regardless of which brand name appears on the paperwork.
How fast can I get the B-LINE 3MM520RRLB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 3MM520RRLB come with a warranty?
Absolutely. The B-LINE 3MM520RRLB 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 3MM520RRLB?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the B-LINE 3MM520RRLB from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.