Description
Mid-Power PCB Screw Terminal Block (Pitch: 6.0mm)
Product Overview
The 6.0mm Mid-Power PCB Screw Terminal Block is a rugged wire-to-board connector engineered to bridge the gap between low-profile signal connectors and extra-large industrial terminal blocks. Featuring a 6.0mm pin spacing, this component provides enhanced insulation resistance and an increased voltage breakdown threshold compared to standard 5.0mm blocks, making it highly effective at minimizing the risk of electrical arcing on mid-voltage circuit boards.
Equipped with a robust rising cage clamp or reinforced screw-clamp mechanism, it allows technicians to establish high-pressure, vibration-resistant wire terminations directly onto printed circuit boards (PCBs). It is widely utilized in industrial electronics, power adapter boards, and automation modules where a secure connection for mid-gauge electrical wires is essential.
Key Features
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Optimized 6.0mm Mid-Power Pitch: Features 6.0mm ($0.236\text{ inch}$) pin spacing to provide excellent physical clearance and creepage isolation between adjacent poles, supporting higher voltage ratings.
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Vibration-Proof Rising Cage Clamp: Utilizes an internal brass cage or heavy-duty wire guard that exerts continuous, uniform clamping force across the wire profile, preventing loose joints under thermal cycling.
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Interlocking Modular Design: Precision molded with side interlocking grooves, allowing individual 2-pin or 3-pin blocks to snap together seamlessly to form custom multi-position terminal strips.
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High-Isolation Thermoplastic Housing: Molded from premium, flame-retardant polyamide (UL 94V-0) to ensure structural integrity and high dielectric protection during sustained industrial operations.
Technical Specifications
| Parameter | Specification |
| Component Type | Mid-Power Fixed PCB Screw Terminal Block |
| Pitch (Pin Spacing) | 6.0mm ($0.236\text{ inch}$) |
| Orientation | Side Wire Entry / Vertical Screw Access ($90^\circ$ Angle Layout) |
| Termination Style | PCB Through-Hole Solder Mount |
| Clamping Mechanism | Heavy-Duty Screw Clamp / Rising Cage |
| Material (Housing) | Polyamide (PA66), Nylon UL 94V-0 Flame Retardant |
| Material (Contacts) | High-Conductivity Brass / Copper Alloy, Tin-Plated |
| Screw Material | M2.5 or M3 Steel, Zinc-Plated |
| Rated Voltage | 300V – 450V AC/DC (Layout and standard dependent) |
| Rated Current | 12A – 16A Max (Variant and wire gauge dependent) |
| Wire Gauge Compatibility | 12 AWG to 22 AWG (Solid, stranded, or ferruled copper wires) |
Applications
The ideal mid-size connector solution for localized power distribution, small motor controls, and industrial sensory lines:
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Industrial Control Enclosures: Serving as a reliable, intermediate terminal junction for field signals, relay logic lines, and distribution sub-panels.
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Small Motor & Actuator Drives: Managing main power delivery lines safely for low-voltage DC motors, stepper drives, and linear actuator assemblies.
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Commercial Power Conversion: Ideal for input/output routing on enclosed switching power supplies, charging modules, and industrial step-down regulators.
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Medium-Capacity Battery Interfaces: Perfect as a secure connection node for custom battery management systems (BMS), test benches, and modular hardware distribution setups.
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