CS FS-21V120 Pizzato Safety timer module 1NO+1NC+1CO, category 3

Why Choose the Pizzato CSFS-21V120 Safety Timing Module?

The Pizzato CSFS-21V120 is a reliable safety timing relay module designed for industrial automation systems requiring controlled delayed safety switching. As part of the well-established Pizzato CSFS safety relay series, it provides precise timing control for machine sequencing, safety interlocking, and controlled restart operations.

This model belongs to the CSFS “21” output configuration family, typically offering 1 NO + 1 NC + 1 CO safety contact set with category-rated safety performance. It is widely used in applications where both safety reliability and flexible contact logic are required. The CSFS-21V120 is designed for safety applications up to Category 3 / SIL 3 / PL e (system dependent).

With its compact DIN-rail mounting format and robust industrial enclosure, the CSFS-21V120 integrates easily into OEM machinery, manufacturing systems, and automation control panels. It is engineered for environments where consistent timing accuracy and dependable safety performance are essential. {index=1}

Key Advantages

• Provides controlled safety timing function for machine sequencing.
• Designed for industrial safety systems up to Category 3 / SIL 3 / PL e. ([turn0search3])
• Flexible output configuration: 1 NO + 1 NC + 1 CO contact set. ([turn0search3])
• Compact DIN-rail format for easy installation in control cabinets.
• Reliable and repeatable timing performance for safety circuits.
• Suitable for OEM machinery and automated production systems.

Key Features

• Pizzato CSFS safety relay series.
• Model: CSFS-21V120.
• Function: safety timing relay (delayed safety switching).
• Supply voltage: 120 V AC. ([turn0search3])
• Output configuration: 1 NO + 1 NC + 1 CO safety contacts.
• DIN rail / panel mounting compatible housing.
• Screw terminal connection system for secure wiring.

Reliable Safety Timing for Industrial Systems

The CSFS-21V120 ensures controlled and repeatable delayed switching in safety circuits, supporting coordinated machine startup and safe interlock logic. Its timing function improves operational safety by preventing premature activation of machine outputs.

It is commonly used in automation systems where deterministic safety timing is required for reliable machine control and compliance with modern safety standards.

Typical Applications

• Industrial automation systems.
• Machine safety control panels.
• Conveyor and material handling systems.
• Packaging and production machinery.
• OEM safety circuits.
• Safety interlock timing applications.