Description
TB-1512 Fixed Barrier Terminal Block (15A / 600V) 12-Pin
Product Overview
The TB-1512 Fixed Barrier Terminal Block is a heavy-duty, dual-row electrical connector designed to provide a secure, high-voltage junction for complex power distribution, circuit isolation, and high-density industrial field wiring. Featuring 12 fully isolated screw positions, this fixed-mount terminal strip employs rigid plastic barrier walls to physically separate connections, preventing electrical shorts, arc-overs, and accidental cross-contact from stray wire strands across all twelve lines.
This model is built to handle up to 15A at 600V, making it an ideal choice for comprehensive control panel distributions, industrial automation networks, or complex electrical chassis links where high-density terminal routing is required. It comes complete with a clear, snap-on plastic safety cover that shields the live terminals from environmental dust, moisture, and accidental contact while allowing for instant visual inspection of the underlying connections.
Key Features
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Heavy-Duty Power Rating: Engineered to safely manage demanding electrical demands up to 15A and 600V, making it highly reliable for both low-voltage DC arrays and high-voltage AC circuits.
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High-Dielectric Barrier Insulation: Molded plastic partition walls isolate the 12 terminal screws, maximizing creepage distance between poles to maintain circuit integrity in high-vibration environments.
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Clear Protective Safety Cover: A transparent, flame-retardant top shield clips firmly onto the housing, providing essential touch-safe protection without obscuring terminal wiring or marking strips.
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High-Torque Screw Terminals: Rugged binder screws paired with integrated flat-bottom pressure plates ensure a high-pressure grip on connections without severing fine copper wire strands.
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Flanged Surface Mount Base: Designed with pre-drilled mounting holes on the outer flanges of the robust housing, allowing for rapid, secure screw-down placement onto chassis plates, panels, or project enclosures.
Technical Specifications
| Parameter | Specification |
| Model / Series | TB-1512 |
| Component Type | Dual-Row Fixed Barrier Terminal Strip |
| Number of Positions (Poles) | 12 Pins |
| Terminal Mounting Type | Surface / Panel Mount (Flanged Screw Holes) |
| Termination Style | Screw Clamp with Pressure Plate |
| Material (Base Housing) | High-Strength, Flame-Retardant Polycarbonate / PBT (UL 94V-0) |
| Material (Cover) | Transparent PVC / Polycarbonate |
| Material (Contacts & Screws) | Zinc-Plated Steel / Brass |
| Rated Voltage | 600V Max |
| Rated Current | 15A Max |
| Wire Gauge Compatibility | 14 AWG to 22 AWG (Solid or Stranded) |
Applications
The industry standard for dense, low-profile power distribution, multi-channel data paths, and central automation junctions:
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Centralized Industrial Control Panels: Perfect for routing extensive multi-wire control loops, feedback lines, status indicator arrays, and low-voltage power networks between main boards and external panels.
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Multi-Channel Sensor & Signal Consolidation: Providing a clean, central termination node for up to twelve distinct field sensor inputs, limit switches, or low-voltage transducer arrays.
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Multi-Axis Motor Control Hubs: Ideal for managing power routing, directional lines, limits, and feedback telemetry lines simultaneously for multiple low-voltage motor drives or actuators.
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Complex DC Power Distribution: Highly efficient for organizing multi-rail DC voltage distributions across a large electrical chassis (e.g., matching multiple $+3.3\text{V}$, $+5\text{V}$, $+12\text{V}$, $-12\text{V}$, and dedicated $GND$ return lines).

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