The Pilz PNOZ X2.8P (Part No. 777301) is a 24V AC/DC standalone safety relay designed to monitor emergency stops, safety gates, and light curtains. It features 3 Normally Open (N/O) safety contacts and 1 Normally Closed (N/C) auxiliary contact, with 1/2-channel operation and automatic/manual reset. [1, 2]

• Safety Functions: Ideal for monitoring E-STOP, safety gates, limit switches, and light beam devices.
• Operating Modes: Supports single-channel or dual-channel operation with short-circuit detection across contacts.
• Outputs: 3 safety contacts (N/O) and 1 auxiliary contact (N/C).
• Supply Voltage: 24 V AC/DC.
• Housing & Terminal: 22.5 mm wide P-99 housing with plug-in screw terminals.
• Start Type: Automatic or manual reset.
• Certifications: CE, cULus Listed, TÜV, KOSHA, CCC.

• Part Number: 777301
• Width: 22.5 mm
• Maximum Current: 6 A (typical)
• Dimensions: 94 mm x 22.5 mm x 121 mm (H x W x D)
• Weight: ~195 g

The relay uses positive-guided relay contacts and features LED indicators for status monitoring.