ABB STOTZ-KONTAKT Incoming Supply Block 63A ZLS261 (2CCA205306R0001)

In industrial control panels and distribution boards, the ABB STOTZ-KONTAKT Incoming Supply Block 63A ZLS261 provides a reliable connection point for feeding power from an incoming cable to a busbar system. Installers and panel builders use it to simplify wiring and ensure a secure, maintenance-friendly junction.

Key specifications

• Rated current: 63 A
• Number of poles: 1
• Rated operational voltage: 230/400 V AC
• Rated insulation voltage: 500 V
• Rated impulse withstand voltage: 4 kV
• Main conductor cross-section: 1.5–35 mm² (rigid), 1.5–25 mm² (flexible)
• Connection type: Screw terminal (main), clamp/plug-in (busbar)
• Busbar compatibility: 10 mm² (e.g., ZLS busbars)
• Mounting: DIN rail (EN 60715)
• Degree of protection: IP20 (terminals)
• Short-circuit withstand current: 10 kA (1 s)
• Operating temperature: -25 to +55 °C
• Storage temperature: -40 to +70 °C
• Standards: IEC/EN 61439-1, IEC/EN 60947-7-1

Why choose it

The block is designed for straightforward installation and secure electrical contact. Its screw terminals accept a wide range of conductor sizes, while the plug-in busbar connection speeds up assembly and reduces wiring errors.

Ideal use cases

• Feeding power from a main supply cable to a busbar system in distribution boards
• Panel building and industrial control cabinet assembly
• Retrofit or expansion of existing busbar installations

Good to know

The ZLS261 is part of ABB's System pro M compact range and is intended for use by qualified electricians. It mounts on standard 35 mm DIN rails and is compatible with ABB ZLS busbars.