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Features
- Plastic material UL94V2 mini
- Modular design
- DIN rail mounting
- Sealable in closed and open position
- Finger safe
- Flame retardant materials with glow wire flammability index to 960°C
- Multi-pole assembly kit available
- Optional visual blown fuse indicator & microswitch
- Degree of protection: IP20
- Lockable
Manufacturer Resources
Product Specs
- Ac Voltage:
- 750 VAC
- Ampere:
- 125 A
- Applications:
- All circuits up to 750V for protection of motors, transformers, low voltage distribution, control c
- Body Material:
- Polyamide
- Ce Conformity:
- Yes
- Connection Terminal Type:
- Pressure Plate
- Dc Voltage Range:
- 690 - 750 VDC
- Enclosure:
- IP20
- Lead Free:
- Consult Technical Services
- Materials Contact:
- Tin-plated Copper
- Mounting Method:
- DIN-rail Installation On To DIN Rails To EN 60717
- Number Of Poles:
- 1 1 + N 1, 2, 3 2 3 3 + N
- Rohs Compliant:
- Yes
- Sccr:
- 100 kA 200 kA
- Size Per Standard:
- 22x58
- Standards:
- UL Recognized Component, UL4248, guide IZLT2, file E52283 CSA Certified C22.2, class 6225, file 321
- Wiring Range:
- 1/0 to #14 Solid/Stranded Cu Wire
Mersen MER-US221I – Frequently Asked Questions
How fast can I get the Mersen MER-US221I 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 Mersen MER-US221I come with a warranty?
Absolutely. The Mersen MER-US221I 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 Mersen MER-US221I?
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 Mersen MER-US221I 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.