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The TB-2506 Dual Row Fixed Barrier Screw Terminal Block is a rugged, compact 6-position electrical connector designed for safe high-current power distribution and wire management. Rated at 600V and 25A, it features a robust insulated plastic base, pre-molded panel mounting holes, and a clear, snap-on safety cover to prevent accidental contact, short circuits, and dust ingress. It is widely used in industrial control panels, HVAC systems, automotive, marine, and DIY power distribution projects to organize up to 12 discrete connection terminals cleanly and securely.
Let me know if you would like me to:
- List the exact physical dimensions for your mounting layout.
- Provide a quick step-by-step on how to wire it safely.
SKU:
UCS-0402
Category: Terminal Block
Tags: #BarrierTerminalBlock, #ScrewTerminal Strip, #TerminalBlock
TB-2506 Dual Row Barrier Screw Terminal Block
The TB-2506 Dual Row Fixed Barrier Screw Terminal Block provides a robust, heavy-duty solution for managing and simplifying high-current electrical wiring distributions. Designed with a clear, removable protective plastic cover, this 6-position terminal block delivers premium electrical insulation, safety protection, and straightforward circuit organization in complex industrial or residential setups.

TB-2506 Dual Row Barrier Screw Terminal Block
Key Applications
- Power Distribution Panels: Acts as a centralized distribution bus bar or connection point for primary power feeds.
- Control Cabinet Systems: Facilitates clean, safe input-to-output transitions for multi-conductor control wiring.
- HVAC & Industrial Machinery: Securely manages high-power field connections prone to mechanical vibrations.
- Automotive, Marine & RV Wiring: Handles rugged 12V/24V high-current setups requiring structured, panel-mounted terminations.

TB-2506 Dual Row Barrier Screw Terminal Block
Core Product Features
- Dual-Row Isolation: Employs a physical plastic barrier between each neighboring terminal strip to prevent short circuits, cross-conduction, and accidental wiring faults.
- High-Grade Conductor Material: Outfitted with robust brass conductor strips coated in anti-corrosive plating, ensuring consistent conductivity and long-term durability under high electrical loads.
- Impact-Resistant Base: Molded from heavy-duty plastic that resists thermal warping, cracking, and degradation in demanding physical environments.
- Heavy-Duty Screw Terminals: Features sturdy, cross-head M4 steel screws paired with integrated locking pressure plates, allowing user to securely tighten solid bare wires, stranded cables, or pre-crimped lug terminals.
- Removable Safety Cover: Includes a snap-on, transparent plastic cover marked with clear current/voltage ratings. The transparency allows for instant visual inspections of connections without exposing active components to accidental contact or dust contamination.

TB-2506 Dual Row Barrier Screw Terminal Block
Technical Performance Specifications
- Part Number Model: TB-2506
- Number of Positions (Poles): 6 Positions / 6 Circuits (Dual row containing 12 individual screw terminals total).
- Maximum Rated Voltage: 600V AC/DC
- Maximum Rated Current: 25 Amperes
- Screw Thread Diameter: M4 (Steel, nickel-plated)
- Maximum Wire Accommodated: Up to 10 AWG (6.0 mm²)
- Mounting Style: Surface/Panel Mount via two pre-molded side eyelet mounting holes.
If you are integrating this block into an active system, let me know if you would like me to:
- Recommend compatible spade versus ring crimp connectors for 10 AWG wire.
- Clarify how to configure the jumper bars to bridge multiple positions for common ground distribution.
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