Description
TB-1506 Fixed Barrier Terminal Block (15A / 600V) 6-Pin
Product Overview
The TB-1506 Fixed Barrier Terminal Block is a heavy-duty, dual-row electrical connector designed to provide a secure, high-voltage junction for power distribution, circuit isolation, and industrial field wiring. Featuring 6 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 six lines.
This model is built to handle up to 15A at 600V, making it an ideal choice for multi-line control buses, multi-rail DC power networks, or complex electrical chassis links. 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 6 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-1506 |
| Component Type | Dual-Row Fixed Barrier Terminal Strip |
| Number of Positions (Poles) | 6 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 clean, low-profile power distribution, embedded communication paths, and multi-line control junctions:
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Industrial Control Panel Buses: Perfect for routing multi-wire control loops, status indicators, and low-voltage power arrays between primary mainboards and chassis panel components.
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Embedded System Communications: Providing neat interface nodes for multi-line communication arrays, including SPI configurations requiring extra power and ground lines ($VCC$, $GND$, $MISO$, $MOSI$, $SCK$, $CS$).
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6-Wire Stepper Motors & Actuators: Multi-channel terminal alignment ideal for managing unipolar stepper motor configurations requiring separate phase and center-tap wiring routes.
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Multi-Rail DC Power Links: Ideal for routing multi-output DC voltage baselines cleanly across an electrical enclosure (e.g., $+3.3\text{V}$, $+5\text{V}$, $+12\text{V}$, $-12\text{V}$, and dual $GND$ returns).

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