ETI ESC-CBC.4 Feed-Through Terminal Block, Single-Level, Screw Connection, 4 mm², Grey 003903001

Electricians and panel builders use the ETI ESC-CBC.4 feed-through terminal block in control cabinets and distribution boards to create reliable screw connections for conductors up to 4 mm². Its single-level design saves space on standard DIN rails while providing a clear, accessible wiring point.

Key specifications

• Type: Feed-through terminal block, single-level
• Connection method: Screw connection
• Rated cross-section: 4 mm²
• Wire size: 0.5–6 mm² solid (AWG 20–10), 0.5–4 mm² stranded (AWG 20–12)
• Rated voltage (IEC): 1000 V
• Rated current (IEC): 32 A
• Rated impulse withstand voltage: 8 kV
• Insulation material: Polyamide (PA 6.6), flammability UL94 V-0
• Colour: Grey
• Mounting: DIN rail TH35-7.5 / TH35-15
• Number of connections: 2
• Stripping length: 9 mm
• Tightening torque: 0.5–0.8 Nm
• Pollution degree: 3
• Standards: IEC 60947-7-1

Why choose it

The ESC-CBC.4 combines a compact single-level profile with a robust screw clamping system, ensuring secure and vibration-resistant terminations. Its polyamide housing meets UL94 V-0 flammability requirements, making it suitable for demanding industrial environments.

Ideal use cases

• Control cabinet wiring
• Distribution board installations
• Industrial machine electrical panels
• Building automation systems

Good to know

The terminal block is designed for use with copper conductors and mounts on standard 35 mm DIN rails. Its grey colour provides a neutral appearance that blends with most panel layouts.