Description
The Mersen FSPDB3A is a 310A single-pole finger-safe power distribution block from the FSPDB series, engineered for high-capacity power splitting and cable splicing up to 1500 VAC/VDC. Featuring durable tin-plated aluminum box connectors, it provides reliable connections for both aluminum and copper conductors with a 310A amp rating.
Achieving an IP20 finger-safe protection level, the FSPDB3A eliminates the need for special protective covers or custom Plexiglas shields. It offers 2 primary openings (accepting 350 mcm to #14 wire) and 8 secondary openings (accepting #2 to #14 wire). Designed for rapid installation, it simply snaps onto 35mm DIN rails or can be screw-mounted, measuring 1.85″ x 3.97″ x 2.53″ (47 x 100.8 x 64.3 mm) with a robust nylon insulating body.
Key Features
- IP20 Finger-Safe Protection: Built-in safety design protects personnel against accidental contact, eliminating the need for extra panel covers.
- High Voltage & Amp Ratings: Rated for up to 1500 VAC/VDC and 310A for demanding industrial power distribution architectures.
- Versatile Openings: Features 2 primary box openings (350 mcm – #14) and 8 secondary box openings (#2 – #14) for flexible circuit splitting.
- Modular Design: Easily snaps onto 35mm DIN rail or mounts via screws, allowing multi-pole configurations using assembly pins.
- Robust Short Circuit Ratings: Supports up to 100 kA SCCR with designated upstream fuses (Classes CC, G, J, RK1, RK5, T).
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | FSPDB3A |
| Brand | Mersen (FSPDB Series) |
| Product Type | 1-Pole Finger-Safe Power Distribution Block |
| Ampere Rating (AL / CU) | 310 A |
| Voltage Rating | 1500 VAC / VDC |
| Number of Poles | 1-Pole |
| Openings (Primary / Secondary) | Primary: 2 | Secondary: 8 |
| Wire Range (Primary / Secondary) | Primary: 350 mcm & 2/0 – #14 | Secondary: #2 – #14 |
| Connector Material & Type | Tin-Plated Aluminum / Box Connectors |
| Mounting Type | 35mm DIN Rail or Screw Mount |
| Short Circuit Current Rating (SCCR) | 100 kA (with specified Class J, T, RK1, RK5, G, CC fuses); 10 kA Standalone |
| Body Material | Nylon (IP20 Finger-Safe) |
| Dimensions | 47 x 100.8 x 64.3 mm (1.85 x 3.97 x 2.53 in) |
| Standards & Certifications | UL 1059, RoHS Compliant |
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