Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
APPLETON ELECTRIC Straight Union - Conduit to Box, 3 in, Aluminum, Powder Coated
APPLETON ELECTRICStraight Union - Conduit to Box

APPLETON ELECTRIC Straight Union - Conduit to Box, 3 in, Aluminum, Powder Coated

The APPLETON ELECTRIC Straight Union is a conduit-to-box fitting with a 3-inch trade size, featuring a 3 in FNPT x 3 in MNPT threaded connection. This aluminum union has a powder-coated finish and is designed for…

SKU 3G-OTH-04961

Also listed as: UNY300RA · UNY300R A

Brand
APPLETON ELECTRIC
Item
Straight Union - Conduit to Box, 3 in, Aluminum, Powder Coated
Part Number
UNY300R-A
Category
Straight Union - Conduit to Box
Available to Order
Also known as:UNY300R-AAPPLETON ELECTRIC
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

APPLETON ELECTRIC
Manufacturer Part Number
UNY300R-A
Type
- Conduit to Box: Aluminum, UNY, Female to Male, Threaded
Finish
Powder Coated
Trade Size
3 in
Ends - Hazardous Fittings
3 in FNPT x 3 in MNPT

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPLETON ELECTRIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPLETON ELECTRIC Straight Union is a conduit-to-box fitting with a 3-inch trade size, featuring a 3 in FNPT x 3 in MNPT threaded connection. This aluminum union has a powder-coated finish and is designed for hazardous-location applications.

Frequently Asked Questions

What is the APPLETON ELECTRIC Straight Union UNY300R-A used for?

The APPLETON ELECTRIC Straight Union connects a 3-inch conduit to a box in hazardous locations. Its aluminum construction with powder-coated finish provides corrosion resistance, while the 3 in FNPT x 3 in MNPT threaded ends ensure a secure, sealed connection for industrial electrical systems.

What are the specifications of the APPLETON ELECTRIC UNY300R-A?

The APPLETON ELECTRIC UNY300R-A is a 3-inch trade size straight union with a 3 in FNPT x 3 in MNPT threaded connection. It is made of aluminum with a powder-coated finish, designed for hazardous-location conduit-to-box applications. The manufacturer part number is UNY300R-A.

Where to buy the APPLETON ELECTRIC UNY300R-A worldwide?

3G Electric supplies the APPLETON ELECTRIC UNY300R-A straight union to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this hazardous-location fitting to your site. Contact us for availability and lead time.

How to install the APPLETON ELECTRIC UNY300R-A straight union?

Install the APPLETON ELECTRIC UNY300R-A by threading the 3 in FNPT end onto the box hub and the 3 in MNPT end onto the conduit. Apply thread sealant to ensure a leak-proof, explosion-proof seal. Tighten with a wrench to manufacturer torque specifications, avoiding over-tightening the aluminum body.

Used in

Common applications for APPLETON ELECTRIC
Oil and gas processing — Appleton Electric straight hazardous location metallic cable grips for securing power cords to equipment in Class I, Division 2 areas.
Chemical manufacturing — Appleton Electric UNY250R-A straight union for connecting rigid conduit to control enclosures in corrosive environments.
Petrochemical plants — Appleton Electric enhanced rating cord connectors with IP66 rating for washdown and dust-laden areas.
Pharmaceutical production — Appleton Electric brass cable grips with silver finish for sealing cords in Class II, Division 2 locations.
Wastewater treatment — Appleton Electric aluminum cable grips with 1-1/4 in MNPT for reliable cord termination in humid, outdoor installations.
Grain handling facilities — Appleton Electric cable grips rated for Class III, Division 2 to secure cords in dust-hazard zones.
Not sure this is the right part? Photo-identify it→

APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC straight union - conduit to box. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from APPLETON ELECTRIC

View all APPLETON ELECTRIC parts →
Aluminum straight union for connecting rigid metal conduit to an enclosure in hazardous locations. Features 2-1/2 in FNPT female and 2-1/2 in MNPT male threaded ends with a powder-coated finish. Suitable for industrial environments requiring corrosion resistance and threaded connections
APPLETON ELECTRIC
Aluminum straight union for connecting rigid metal conduit to an enclosure in hazardous locations. Features 2-1/2 in FNPT female and 2-1/2 in MNPT male threaded ends with a powder-coated finish. Suitable for industrial environments requiring corrosion resistance and threaded connections
APPLETON ELECTRIC
APPLETON ELECTRIC
Aluminum straight union with powder-coated finish. Provides a threaded transition from 1-1/2 in female NPT to 1-1/2 in male NPT for connecting conduit to boxes. Suitable for use in electrical conduit systems requiring a female-to-male adapter
APPLETON ELECTRIC
APPLETON ELECTRIC
This straight union connects rigid conduit to a box, joining female NPT conduit threads to male NPT box entries. Constructed of iron with an electroplated finish, it is suitable for use in hazardous locations. Trade size 1-1/4 in
APPLETON ELECTRIC
APPLETON ELECTRIC
Iron straight union for connecting a conduit to a box, with 2-1/2 in female NPT and 2-1/2 in male NPT ends. Electroplated finish. Used in electrical raceway systems to join threaded conduit to enclosures

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first