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Home > Products > PILZ > Safety Relays > PNOZ S3 Need PILZ PNOZ S3 750 103? Safety Relay for PNOZ S3 Safety Relay Series. Supplied with full traceability and documentation. Request a quote and current... Price & Availability Contact us for pricing / 询价 It features 3 safety contacts (N/O) and 1 auxiliary contact (N/C), providing reliable switching of safety circuits up to PL e (ISO 13849-1) and SIL CL 3 (IEC 62061). The device operates with a 24 VDC supply voltage and is housed in a compact 22.5 mm enclosure, making it ideal for space-saving control cabinets. This safety relay is equipped with 2 input channels for safety-related signals, supporting both single and dual-channel operation. It offers a response time of typically 30 ms and a recovery time of 100 ms, ensuring fast and reliable reaction to safety events. The PNOZ S3 750 103 is designed for use in applications requiring up to 3 safety contacts with a switching capacity of 3.5 A at 250 VAC, suitable for controlling contactors, relays, and other loads. The PNOZ S3 series is known for its robust construction and high reliability, meeting international safety standards including EN 60204-1, EN 62061, and EN ISO 13849-1. The device features LED status indicators for power and channel status, simplifying diagnostics. With its plug-in terminal blocks, installation and maintenance are straightforward. The PNOZ S3 750 103 is a genuine OEM product from PILZ, ensuring compatibility and long service life in demanding industrial environments. The PILZ PNOZ S3 750 103 is a safety relay from the PNOZ S3 series, designed for monitoring safety functions such as emergency stop circuits, safety gates, and light curtains. Basic Product Information 24 VDC supply voltage 2 input channels for safety functions Compact 22.5 mm housing LED status indicators Plug-in terminal blocks Up to PL e / SIL CL 3 3 safety contacts (N/O) and 1 auxiliary contact (N/C) Technical Specifications Version & Model Difference The PNOZ S3 750 103 is a specific variant within the PNOZ S3 series. Compared to other PNOZ S3 models, this version offers 3 safety contacts and 1 auxiliary contact, while some variants may have different contact configurations (e.g., 2 safety contacts + 1 auxiliary) or different supply voltages (e.g., 24 VAC/DC). The 750 103 model is designed for 24 VDC operation and is commonly used in modern control systems. Other versions like PNOZ S3 750 104 may have additional features such as expandable contacts or different input configurations. Always verify the exact model number to ensure compatibility with your application. Application Scenarios How many safety contacts does the PNOZ S3 750 103 have? It has 3 safety contacts (normally open) and 1 auxiliary contact (normally closed). The safety contacts are rated for 3.5 A at 250 VAC, suitable for switching contactors and relays. What safety level can the PNOZ S3 750 103 achieve? The PNOZ S3 750 103 is designed to meet safety requirements up to PL e (ISO 13849-1) and SIL CL 3 (IEC 62061), making it suitable for high-risk applications. Is the PNOZ S3 750 103 suitable for emergency stop monitoring? Yes, it is specifically designed for monitoring emergency stop circuits, safety gates, and light curtains. It supports dual-channel input wiring and has a fast response time of 30 ms. What is the supply voltage for the PILZ PNOZ S3 750 103? The PNOZ S3 750 103 operates on a 24 VDC supply voltage with a permissible range of 20.4 to 30.0 VDC. It consumes approximately 2.0 W of power. PILZ RELAY PNOZ S3 750 103 Safety Relay PILZ 774314 PNOZ X3 Safety Relay