Siemens W0408ML1125U Load Center – 4 Spaces, 8 Circuits, Outdoor Gray, Series EQ

Overview

The Siemens W0408ML1125U Load Center is designed for durable outdoor electrical distribution with a 120/240 V, 125 A capability. This 4-space/8-circuit, single‑phase, 3‑wire unit uses a main lug configuration and is suitable for flexible service equipment installations when paired with the appropriate main breaker retainer clip (MBR1).

Rugged, outdoor-ready enclosure

Housed in a gray enamel finish, the CSA Certified and UL listed enclosure uses code-gauge steel for weather resistance. The Type 3R outdoor enclosure protects internal components while maintaining accessibility for maintenance. This unit features a single-piece plated aluminum bus bar and 100% circuit breaker twist outs for clean terminations.

• Outdoor-rated Type 3R enclosure; CSA Certified and UL listed
• 4 spaces accommodating up to 8 circuits; supports 1-pole and 2-pole QP breakers
• Main lug configuration with back-feed option when used with MBR1
• Rotates 180 degrees for bottom feed and includes closure plates; hubs sold separately

Electrical layout and installation

Configured for 120/240 V AC, the device operates with 1 phase and 3 wires, featuring a solid Neutral. The enclosure dimensions are 12-1/4 in tall, 6 in wide, and 4-1/4 in deep. Weighing about 6.8 lb, it offers a compact footprint suitable for outdoor or semi-outdoor applications. The design supports reliable wiring with a positive load-side circuit breaker hook rail and full neutral usage for grounding as needed.

• 4 spaces / 8 circuits; 1-pole and 2-pole QP breakers
• Dimensions: 12-1/4 in (H) x 6 in (W) x 4-1/4 in (D)
• Weight: 6.8 lb; robust, weather-resistant build
• Closure plates included; hubs sold separately for wiring options

Practical usage

Perfect for outdoor installations at homes or light commercial sites where weather resistance and reliable distribution matter. Use it as service equipment with proper accessories, and enjoy the flexibility of a compact, standards-aligned enclosure that supports common electrical configurations without compromising safety.