Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
    Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
    Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
    Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
    Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R
Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R

Eaton 3MTB600R 600A Main Terminal Box 120/208V Three-Phase NEMA 3R

Part #: 3MTB600R Manufactured by: Eaton
Regular price
$1,136.00
Sale price
$1,136.00
Regular price
1 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The 3MTB600R is a heavy-duty Eaton main terminal box designed for secure incoming service connections in electrical distri...  Read more
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Contact Us!

Talk to a real expert.

Mon–Sat, 7:00 AM – 8:00 PM (EST)
warranty
IQElectro 2-Year Warranty
Warranty for Product #: 3MTB600R
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
2-3 Day Free Shipping
Packed Ready to Ship
24/7 Expert Support
Return within 30-Days
IQElectro BBB Business Review
IQElectro is Not an authorized distributor for Eaton
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: 3MTB600R

Description / Specifications

Description 

The Eaton 3MTB600R is a main terminal box designed to provide a secure connection point for incoming utility power in commercial and multi-unit electrical distribution systems. Eaton part number 3MTB600R supports up to 600 A service and accommodates three-phase 120/208 V electrical installations. Its weather-resistant construction and flexible feed configuration allow reliable integration into outdoor metering and service entrance assemblies.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Eaton
Category Power Distribution
Part Number 3MTB600R
Subcategory Main Terminal Box
Product Type Main terminal box
Amperage Rating 600 A
Voltage Rating 120/208 V
Phase Three-phase
Feed Type Top or bottom feed
Bus Material Aluminum
Wire Size (2) 250–500 kcmil
Number of Wires 4
Enclosure Rating NEMA 3R
Utility Approvals Consumers Energy, Dominion, DTE Energy, WE Energies, Hawaiian Electric, NorthWestern Energy, PEPCO, Baltimore Gas & Electric
Compression Lug Kit 3MTB600CLK (optional)
Certifications UL Listed
Product Dimensions (L × W × H) 6.5 × 13.5 × 53.94 in
Warranty Eaton Selling Policy 25-000
Weight 47.5 lb

 

 

Information About 3MTB600R

The 3MTB600R is a main terminal box manufactured by Eaton for use in metering and service entrance equipment in commercial and multi-residential electrical systems. Designed with an aluminum bus structure, the unit provides dependable current distribution for up to 600 A circuits in three-phase applications. It supports both top and bottom feed configurations and accommodates large conductor sizes for high-capacity service installations. The enclosure is rated NEMA 3R for outdoor use, offering protection against rain and environmental exposure while maintaining safe electrical connections.


Key Features:

  • 600 Amp Service Capacity: Designed to support high-current electrical service connections in commercial and multi-unit installations.
  • Three-Phase Power Support: Compatible with three-phase 120/208 V distribution systems commonly used in buildings and facilities.
  • Aluminum Bus Construction: Provides durable current-carrying capability with efficient conductivity.
  • Top or Bottom Feed Options: Flexible installation allows incoming service conductors from multiple directions.
  • NEMA 3R Outdoor Enclosure: Weather-resistant design protects internal components from rain and environmental exposure.
  • Large Conductor Compatibility: Supports conductor sizes from 250–500 kcmil for high-capacity service wiring.
  • Utility Approved Design: Accepted by multiple North American utilities for service entrance installations.
  • Compression Lug Kit Compatibility: Optional lug landing kit (3MTB600CLK) available for compression lug terminations.

The 3MTB600R delivers the reliability and precision required for secure power distribution connections in commercial and multi-tenant electrical service systems.

Get fast quote and compatibility check
Compatibility check available   ·   Alternative parts suggested
Get a response to your request within 5 minutes
Talk to a real industrial automation specialist.
We verify compatibility, suggest alternatives, and provide fast quotes.
Something went wrong, please try again
Form image
Arty A.
Senior Sales Manager
Daniel S.
Parts Specialist
Request successfully sent!
Estimated response time: 1 to 5 minutes.
Description / Specifications

Description 

The Eaton 3MTB600R is a main terminal box designed to provide a secure connection point for incoming utility power in commercial and multi-unit electrical distribution systems. Eaton part number 3MTB600R supports up to 600 A service and accommodates three-phase 120/208 V electrical installations. Its weather-resistant construction and flexible feed configuration allow reliable integration into outdoor metering and service entrance assemblies.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Eaton
Category Power Distribution
Part Number 3MTB600R
Subcategory Main Terminal Box
Product Type Main terminal box
Amperage Rating 600 A
Voltage Rating 120/208 V
Phase Three-phase
Feed Type Top or bottom feed
Bus Material Aluminum
Wire Size (2) 250–500 kcmil
Number of Wires 4
Enclosure Rating NEMA 3R
Utility Approvals Consumers Energy, Dominion, DTE Energy, WE Energies, Hawaiian Electric, NorthWestern Energy, PEPCO, Baltimore Gas & Electric
Compression Lug Kit 3MTB600CLK (optional)
Certifications UL Listed
Product Dimensions (L × W × H) 6.5 × 13.5 × 53.94 in
Warranty Eaton Selling Policy 25-000
Weight 47.5 lb

 

 

Information About 3MTB600R

The 3MTB600R is a main terminal box manufactured by Eaton for use in metering and service entrance equipment in commercial and multi-residential electrical systems. Designed with an aluminum bus structure, the unit provides dependable current distribution for up to 600 A circuits in three-phase applications. It supports both top and bottom feed configurations and accommodates large conductor sizes for high-capacity service installations. The enclosure is rated NEMA 3R for outdoor use, offering protection against rain and environmental exposure while maintaining safe electrical connections.


Key Features:

  • 600 Amp Service Capacity: Designed to support high-current electrical service connections in commercial and multi-unit installations.
  • Three-Phase Power Support: Compatible with three-phase 120/208 V distribution systems commonly used in buildings and facilities.
  • Aluminum Bus Construction: Provides durable current-carrying capability with efficient conductivity.
  • Top or Bottom Feed Options: Flexible installation allows incoming service conductors from multiple directions.
  • NEMA 3R Outdoor Enclosure: Weather-resistant design protects internal components from rain and environmental exposure.
  • Large Conductor Compatibility: Supports conductor sizes from 250–500 kcmil for high-capacity service wiring.
  • Utility Approved Design: Accepted by multiple North American utilities for service entrance installations.
  • Compression Lug Kit Compatibility: Optional lug landing kit (3MTB600CLK) available for compression lug terminations.

The 3MTB600R delivers the reliability and precision required for secure power distribution connections in commercial and multi-tenant electrical service systems.

Check Out These Related Products