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40 Amp Surface Mount Circuit Breaker
Our high-amp circuit breakers deliver reliable protection for heavy-duty marine, RV, truck, and bus electrical systems. Available in multiple reset styles, these breakers safeguard auxiliary and accessory circuits with confidence.
Features:
- Configuration: Switchable/Manual reset
- Voltage Compatibility: Works with 12V, 24V, 32V, and 48V DC systems
- Durability: Rugged thermoplastic housing with nickel-plated copper components
- Marine-Grade: Designed to resist corrosion, vibration, and harsh environments
Performance:
- Interrupting Capacity: Up to 3,000A at 14V, 30V, and 48V DC
- Reliable Protection: Scales performance across the 30A–300A range
- Trusted in Demanding Applications: From trolling motors to inverters and winches
Installation Made Simple:
- Accepts standard 1/4″ lugs for quick, secure connections
- Flexible mounting for both panel mount and surface mount setups
- Compact design makes integration easy in tight spaces
Specifications:
- Amperage: 40a
- Box Dimensions: 2"H x 4"W x 7"L WT: 0.25 lbs
- UPC: 810196330146
Quick Guide (pdf)
Brochure (pdf)
FAQs
Product & Usage
1. Are KRANK tools built for professional use?
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
2. Are KRANK tools safe to use for beginners?
Yes, our tools are designed with safety features and easy handling in mind.
3. Can KRANK tools be used in extreme conditions?
Yes, they are tested to perform reliably in demanding environments.
Maintenance & Accessories
1. What maintenance is required for the tools?
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
2. Can replacement parts or accessories be purchased separately?
Yes, we provide compatible parts and add-ons to extend the life of your tools.
3. Do you provide instruction manuals or usage guides?
Every tool comes with a detailed user manual, and digital guides are available online.
Warranty & Guarantee
1. Do the tools come with a warranty?
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
2. How do I register my KRANK tool for warranty coverage?
You can register online using your product serial number for faster support.
3. What does the warranty cover?
It includes defects in materials and workmanship under normal use conditions.
4. Is there an option to extend the warranty?
Yes, extended warranty plans are available for select tools at checkout.
Purchasing & Support
1. How fast is shipping and delivery?
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
2. Do you offer bulk or corporate purchasing options?
Yes, KRANK provides special pricing and packages for business or team orders.
3. How can I contact customer support if I need help?
You can reach our support team by email or phone — we’re here to assist you.
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