Description
Blue Sea 5502 Class T Fuse Block 400A | Boat Supply Store
Engineered for critical DC electrical systems demanding superior overcurrent protection, this fuse block accommodates high-amperage Class T fuses up to 400A, exceeding the capabilities of standard circuit protection. Its robust tin-plated copper construction and 3/8"-16 terminal studs ensure secure connections for up to 4/0 AWG cable, maintaining integrity even under significant electrical loads. This is essential for complex systems on offshore sportfishing vessels or commercial trawlers operating in demanding saltwater environments.
Key Features
- Superior Overcurrent Protection with Class T fuse compatibility up to 400A.
- High Voltage Capability rated for 160 Volts DC.
- Robust Terminal Connections featuring 3/8"-16 studs with 190 in-lb torque rating.
- Accommodates Large Gauge Cable supporting up to 4/0 AWG.
- Durable Construction with tin-plated copper fuse mounting blocks for corrosion resistance.
- UL Listed for assured safety and reliability in marine installations.
- Optimized for High-Fault Current scenarios common in critical marine DC systems.
- Reliable Performance in harsh marine environments.
Specifications
| Product Specifications | |
|---|---|
| Maximum Voltage | 160 Volts DC |
| Maximum Amperage | 400 Amperes DC |
| Maximum Torque | 190 in-lb (21.47 Nm) max. |
| Terminal Stud Size | 3/8"-16 (M10) |
| Mounting Holes | Accept 1/4" (M6) Screw |
| Maximum Cable Size | 4/0 AWG |
| Fuse Mounting Blocks | Tin-Plated Copper |
| Compatible with Class T Fuses | 110-400 Amperes DC |
Who This Is For
Marine electricians and boat builders requiring robust, high-amperage fuse protection for DC systems will find this fuse block indispensable. DIY boat owners undertaking complex electrical upgrades also benefit from its reliable performance for critical applications.
How It Compares
| Feature | Blue Sea 5502 Class T Fuse Block 400A | Competitor |
|---|---|---|
| Max Voltage | 160V DC | 32V DC |
| Max Amperage | 400A DC | 200A |
| Fuse Type Compatibility | Class T (110-400A) | ANL |
| Terminal Stud Size | 3/8"-16 (M10) | 3/8"-16 |
| Max Cable Size | 4/0 AWG | 4/0 AWG |
Common Concerns Answered
Are fuses included with the Blue Sea 5502 Fuse Block?
No, Class T fuses compatible with this block (110-400A) are sold separately, representing an additional but necessary component cost for high-amperage protection.
Is the Blue Sea 5502 Fuse Block expensive?
While the initial investment is higher than basic fuse holders, its specialized Class T fuse compatibility and robust construction for high-amperage DC systems justify the cost for critical applications.
What is the advantage of Class T fuses for my boat?
Class T fuses offer superior interruption ratings, essential for protecting high-amperage DC systems against dangerous short-circuit currents, which standard ANL fuses may not adequately handle.
Frequently Asked Questions
What is the maximum voltage and amperage rating for the Blue Sea 5502 Fuse Block?
The Blue Sea 5502 Fuse Block is rated for a maximum of 160 Volts DC and 400 Amperes DC.
What size terminal studs does the Blue Sea 5502 Fuse Block use?
The Blue Sea 5502 Fuse Block utilizes 3/8"-16 terminal studs, with a maximum torque specification of 190 in-lb.
What is the maximum cable size that can be used with the Blue Sea 5502 Fuse Block?
The Blue Sea 5502 Fuse Block can accommodate a maximum cable size of 4/0 AWG.
What type of fuses are compatible with the Blue Sea 5502 Fuse Block?
This fuse block is specifically designed for Class T fuses, ranging from 110 to 400 Amperes DC.
Is the Blue Sea 5502 Fuse Block suitable for use with Class T fuses?
Yes, the Blue Sea 5502 Fuse Block is explicitly designed and engineered to be compatible with Class T fuses within its specified amperage range.
