MINI TERMINAL BLOCKS MRK 4mm2 GREY ONKA
The MRK 4mm² Mini Terminal Block (Grey) is an ultra-compact, rail-mounted feed-through terminal block engineered for higher-current wiring in space-constrained industrial control panels, junction boxes, and compact electrical enclosures. Designed for snap-on mounting on standard 15mm mini DIN rails ($NS 15$ ), this terminal block features a heavy-duty screw-clamp connection system that accepts solid or stranded copper conductors up to 4mm² ($AWG 22-10$ ). Molded from high-grade, flame-retardant polyamide (PA66) in standard industrial grey, it delivers exceptional mechanical stability, high vibration resistance, and high-density power distribution in tight panel spaces.
Specification | Technical Value |
|---|---|
Model / Series | MRK 4mm² Mini Series |
Product Type | Mini Feed-Through Rail Terminal Block |
Color | Industrial Grey |
Rated Cross Section | 4.0 mm² |
Wire Size Range | $0.2 \text{ mm}^2$– $4.0 \text{ mm}^2$($22 \text{ AWG}$to $10 \text{ AWG}$) |
Rated Operating Voltage ($U_n$) | 500V AC / 600V AC (UL) |
Rated Operating Current ($I_n$) | 32A |
Connection Method | Screw Clamp Terminals (Steel Screw / Copper Clamp) |
Mounting Type | Mini DIN Rail 15mm ($NS 15$) / Panel Mount |
Housing Material | Polyamide (PA66) Flame-Retardant |
Flammability Rating | UL94 V-0 |
Stripping Length | 8 mm – 10 mm |
Operating Temperature | -40°C to +105°C |
Compliance & Standards | IEC 60947-7-1, CE, RoHS |

Ssaoco Dammam
- Started from: Jul 10, 2025



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