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Manufacturer Resources
Spec Sheet
Product Specs
- Coil Voltage:
- 110/120V
- Contact Configuration:
- 5NO-3NC
- Frequency Rating:
- 50-60 Hz
- Number Of Cavities:
- 0 blank
- Number Of Poles:
- Eight-pole
- Series:
- D26
- Department:
- Electrical
- Product Length:
- 5.25 IN
- Product Height:
- 3.57 IN
- Product Weight:
- 2.2 LB
- Product Width:
- 2.38 IN
B-LINE D26MR53A – Frequently Asked Questions
1) What coil voltage does the B-Line D26MR53A relay use?
The D26MR53A is a 110/120V AC coil relay rated for 50-60 Hz. That means it drops straight onto a standard 120V AC control circuit at either North American 60 Hz or 50 Hz supply, with no separate control transformer needed if your panel already carries 120V control power. If your control circuit runs at 24V or 240V, this is the wrong coil.
2) How many contacts does the D26MR53A machine tool relay have, and how are they arranged?
Eight poles, configured 5NO-3NC: five normally open contacts and three normally closed. That covers a control scheme needing several run/seal-in circuits plus a few interlock or stop contacts off a single relay, rather than ganging two smaller relays together.
3) Will the D26MR53A relay fit in my control panel? What are its dimensions?
Plan for 5.25 inches long by 3.57 inches high by 2.38 inches wide, and it weighs 2.2 lb. Lay that out against your backpan before committing, and leave clearance above for wire entry and for pulling the relay for service. The 2.2 lb mass is worth noting if you are mounting several in a row on a light subpanel.
4) Can the B-Line D26 Series AC relay run on 50 Hz power for an export machine build?
Yes. The coil on the D26MR53A is rated 50-60 Hz at 110/120V, so the same part works on a 60 Hz domestic panel and a 50 Hz supply overseas as long as the control voltage stays in the 110/120V band.
5) Does the D26MR53A come with any spare contact cavities for adding poles later?
No spare cavities. The D26MR53A ships with zero blank cavities, so all eight poles are populated as 5NO-3NC and there is no open position to add a contact block into. If you expect to need more contacts down the road, spec a relay that ships with blanks rather than planning to expand this one.
6) Is D26MR53A the exact part number to order for the eight-pole 120V AC machine tool relay?
Yes, D26MR53A is the manufacturer part number, in B-Line's D26 series. Order against that number and you get the 110/120V AC coil with the 5NO-3NC eight-pole arrangement.
7) Where do I find the full electrical ratings for the B-Line D26MR53A?
Eaton publishes a spec sheet for the D26MR53A, and it is linked directly from the product information. That document is where you go for contact current ratings, pilot duty class, and terminal data beyond the coil and contact arrangement.
How fast can I get the B-LINE D26MR53A 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 D26MR53A come with a warranty?
Absolutely. The B-LINE D26MR53A 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 D26MR53A?
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