Crabtree 18R40/30/4 Loadstar 40A 30mA 4P Type AC RCCB
SKU: 99026368830

Crabtree 18R40/30/4 Loadstar 40A 30mA 4P Type AC RCCB

$69.04 $76.71
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Description

Crabtree 18R40/30/4 Loadstar 40A 30mA 4P Type AC RCCBCrabtree 18R40 30 4 Loadstar 40A 30mA 4 Pole Type AC RCCB Product Overview The Crabtree 18R40 30 4 Loadstar RCCB is a high quality 40A 30mA four pole Type AC residual current circuit breaker, engineered to provide reliable protection against earth leakage and electric shock in three phase electrical installations. Designed specifically for use with Crabtree Loadstar distribution boards, this 4P RCCB ensures dependable residual current protection

Crabtree 18R40/30/4 Loadstar 40A 30mA 4 Pole Type AC RCCB

Product Overview

The Crabtree 18R40/30/4 Loadstar RCCB is a high-quality 40A 30mA four pole Type AC residual current circuit breaker, engineered to provide reliable protection against earth leakage and electric shock in three-phase electrical installations.

Designed specifically for use with Crabtree Loadstar distribution boards, this 4P RCCB ensures dependable residual current protection across commercial and industrial applications. For incoming supply configurations, it can be used in conjunction with the 18LK125 connection kit.

Key Features

  • 40A rated current
  • 30mA residual operating current for enhanced personal protection
  • Four pole (4P) configuration
  • Type AC RCCB – suitable for AC residual currents
  • Designed for Crabtree Loadstar distribution boards
  • Compatible with 18LK125 connection kit for incoming options
  • Durable construction for long-term reliability

Applications

The Crabtree 18R40/30/4 RCCB is ideal for use as an incomer or main protective device within three-phase systems. With a 30mA sensitivity rating, it provides additional protection against electric shock, making it suitable for commercial premises, industrial units and other demanding installations.

Technical Documentation

For full technical specifications and installation guidance, please download the official datasheet below:

Download the Crabtree 18R40/30/4 Datasheet

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99026368830

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Hanson
Natrona Heights, US
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions. One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026
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The bookish health nut
Dallas, US
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer: Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free. No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them. Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day. Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions. Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently. Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game. If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks. 5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024
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DLynn
Grantham, US
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks. Comfortable Fit: They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching. Great for Everyday Wear: Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky. Durable & Long-Lasting: These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly. Reliable Under Armour Quality: You can tell they’re well made. Consistent quality that matches what you expect from Under Armour. Overall Impression: When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Reviewed in the United States on December 30, 2025
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Kendall King
Dallas, US
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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Reviewed in the United States on May 2, 2026
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Verified Purchase
Jessica Beste
Pawtucket, US
★★★★★ 5
Perfect Pairs
Size: Large, Color: (100) White / White / Black
Very comfortable, soft & affordable..
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Reviewed in the United States on May 19, 2026

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