Will this work with a 12v 30a power supply for a 3d printer? the website says 32a max but product image says 20a max.

The European rating (to EN 60998) is 450V 32A, the US rating (to UL 486C) is 600V 20A. So in the US you can not legally use them for circuits carrying more than 20A. I am adding this because the answer talking about power (wattage) is incorrect and unsafe information. Connectors have a voltage rating and a current rating. You must stay under the voltage rating to prevent arc over, and under the current rating to prevent overheating the connector. You can not calculate the max allowable power of the load and use that to exceed one of the ratings. Using the other poster's logic I could use this connector to connect a 12V 1000A (12,000W) load that would melt the connector in seconds.

Official distributor/reseller?

I think I’m a good reviewer. I think I write in a way that most understand what I’m saying. I don’t mind reviewing products but I think I’m an underused resource and was wondering if there is any kind of program where someone like me could get paid for reviews with a small compensation or free products. I’m retired living on Social Security, so I could use a little extra dough.

What are the physical dimensions of the connector?

3 conductor measures approximately: 18.3mm X 18.9mm X 8.1mm OR 13/16"long X 3/4"wide X 5/16" high

is each terminal its own circuit, or are all three terminals shorted together?

All terminals shorted together.

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Wago 221-413 Lever-Nuts 3 Conductor Compact Connectors 10 PK

Wago 221-413 Lever-Nuts 3 Conductor Compact Connectors 10 PK

Product ID: 41170989

Details

Brand
WAGO
Color
orange
Connector Type
Clamp
Current Rating
32 A
Material
Copper
Mounting Type
DIN Rail Mount

⚡32A current rating

📏40% space saving vs. 222 Series

🔍Transparent housing for visual wire check

S$18

Duties & taxes included

In stock

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Description

🔧 Connect smarter, not harder — join the pros who never compromise.

VISUAL ASSURANCE - Transparent housing lets you instantly verify proper strip length and wire insertion—no guesswork, just confidence.
READY TO USE PACK - Includes 10 compact connectors plus an instruction card—perfect for quick, on-the-go installations.
ROBUST RELIABLE - Rated for 32A and 400V with UL certification, ensuring safe, professional-grade electrical connections.
SPACE SMART DESIGN - Shrink your junction box clutter by 40% compared to traditional connectors—maximize efficiency in tight spaces.
EFFORTLESS MULTI WIRE COMPATIBILITY - Connect solid, stranded, and flexible copper wires seamlessly with intuitive orange levers.

The Wago 221-413 Lever-Nuts are compact, 3-conductor connectors designed for fast, reliable copper wire connections. Featuring a 32A current rating, UL certification, and a transparent housing for easy inspection, these connectors reduce junction box space by 40% compared to the 222 Series. Sold in packs of 10 with user-friendly orange levers, they deliver professional-grade performance for modern electrical projects.

Specifications

ASIN	B06XGYXVXR
Best Sellers Rank	#19,017 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in IDC Electrical Terminals
Brand Name	WAGO
Color	orange
Connector Type	Clamp
Current Rating	32 A
Customer Reviews	4.8 4.8 out of 5 stars (2,797)
Included Components	221-413
Item Dimensions W x H	0.79"W x 0.79"H
Item Weight	5 g
Manufacturer	Wago
Material Type	Copper
Model	221-413
Mounting Type	DIN Rail Mount
Number Of Contacts	3
Number Of Poles	3
Number of Positions	30
Part Number	221-413
Specification Met	UL
Temperature Range	85 °C
UPC	611359336339
Unit Count	10 Count
Upper Temperature Rating	85 °C
Voltage	400 volts

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