MRK Terminal Block

Engineered for excellence, the MRK Terminal Block ensures secure, high-capacity connections up to 1000V and 269A. With a rugged, flame-retardant design and support for 120mm² wiring, it provides superior thermal stability and long-term reliability.

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SENTOP MRK Series

Universal Screw Terminal Blocks | Heavy-Duty DIN Rail Solutions

Up to 1000V Rated Voltage
UL94 V-0 Flame Retardant
Pure Copper Conductors
NS 35 Rail Compatible

Product Overview

SENTOP MRK series terminal blocks provide a reliable and vibration-proof connection for all industrial electrical applications. From compact signal wiring to heavy-duty power distribution (up to 120mm²), our robust screw clamping system ensures high contact force and long-term stability. The modular design allows for easy expansion on standard DIN rails, making them the preferred choice for professional control cabinets.

Technical Specifications

Model No. Cross-Section Voltage Rating Current Rating Material (Housing/Conductor)
MRK-2.5 2.5 mm² 750V 24A Nylon / Copper
MRK-4 4.0 mm² 750V 32A Nylon / Copper
MRK-6 6.0 mm² 750V 40A Nylon / Copper
MRK-10 10 mm² 750V 57A Nylon / Copper
MRK-16 16 mm² 750V 82A Nylon / Copper
MRK-25 25 mm² 750V 100A Nylon / Copper
MRK-35 35 mm² 750V 125A Nylon / Copper
MRK-50 50 mm² 750V 150A Nylon / Copper
MRK-70 70 mm² 750V 192A Nylon / Copper
MRK-95 95 mm² 1000V 232A Nylon / Copper
MRK-120 120 mm² 1000V 269A Nylon / Copper

High-Grade Materials

  • Housing: Polyamide 6.6 (PA66), anti-aging and flame retardant (UL94 V-0).
  • Conductor: High-purity electrolytic copper with tin plating for optimal conductivity and corrosion resistance.
  • Screw: Steel with Zinc plating, offering high torque and anti-corrosion features.

Standard Compliance

Our MRK series is manufactured in accordance with international standards:

IEC 60947-7-1
CE
RoHS

Industry Applications

🏭 Industrial Control Panels

SENTOP MRK terminal blocks are widely used in PLC control cabinets. Their compact design saves up to 30% rail space.

Power Distribution Units

With high current capacity (up to 269A), MRK series is ideal for low-voltage main distribution boards.

🤖 Machinery & Robotics

Vibration-proof screw design ensures connection integrity in heavy machinery and robotic assembly lines.

☀️ Renewable Energy

UV-resistant PA66 housing and high thermal stability make it suitable for solar and wind energy systems.

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SENTOP provides professional OEM/ODM services for global electrical distributors.

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