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Pilz 751104
by Pilz
Read verified buyer reviews ↓OverviewThe Pilz 751104 PNOZ s4.1 Safety Relay offers unparalleled reliability for industrial safety monitoring. This essential component is engineered to oversee vital safety functions such as emergency stop buttons, safety gates, and light curtains in demanding industrial settings. Its advanced design integrates multiple safety outputs, guaranteeing immediate and decisive action if safety protocols are compromised. The swift response of the PNOZ s4.1 minimizes risks, while its compact dimensions facilitate seamless integration into existing systems. This relay is fundamental for maintaining optimal operational safety, particularly where hazardous machinery or processes are present, protecting both personnel and equipment.Constructed with a durable housing to endure stringent industrial conditions, the PNOZ s4.1 boosts operational efficiency through integrated LED diagnostics. These intuitive indicators provide real-time status feedback, enabling rapid identification and resolution of potential issues, thereby reducing downtime. Its design prioritizes ease of installation, making it a highly practical and ideal safety solution for a wide array of industrial applications requiring vigilant and reliable safety monitoring.Key Features Emergency Stop & Safety Gate Monitoring: Delivers superior oversight of critical safety circuits, ensuring immediate machine shutdown upon activation. 3 Normally Open (N/O) Safety Contacts: Ensures secure power interruption in hazardous scenarios, meeting stringent safety criteria. 1 Normally Closed (N/C) Auxiliary Contact: Provides valuable status monitoring capabilities, allowing integration into control systems for diagnostics and feedback. Single & Dual-Channel Operation: Offers flexible wiring configurations to suit diverse application requirements and safety architectures. Automatic, Manual, & Monitored Start Options: Provides versatility in operation modes, enabling customized system startup procedures. LED Status Indicators: Facilitates effortless real-time fault diagnostics and operational status, enhancing troubleshooting efficiency. Compact DIN Rail Mounting: Allows for quick and easy installation within control cabinets, optimizing space utilization. High Durability for Industrial Use: Built to withstand demanding industrial environments, ensuring extended operational longevity. Technical Specifications Model: 751104 Series: PNOZ s4.1 Supply Voltage: 24V DC Safety Outputs: 3 N/O Contacts Auxiliary Output: 1 N/C Contact Input Configuration: Single or Dual-Channel Power Consumption: Optimized for low energy usage, contributing to efficient operational costs. Housing Material: Made from industrial-grade plastic, providing resilience against physical impacts and environmental factors. Protection Rating: Housing: IP40 – Offers robust protection against solid objects larger than 1mm. Terminals: IP20 – Provides protection against insertion of fingers, enhancing safety during installation and maintenance. Operating Temperature: -10°C to +55°C (14°F to 131°F) – Ensures reliable performance across a significant range of industrial temperatures. Mounting Type: DIN Rail – Standardized mounting for straightforward integration into control panels. Applications Industrial Automation Safety: Essential for protecting automated machinery, ensuring safe and controlled shutdowns in emergencies. Emergency Stop Circuit Monitoring: Provides an instantaneous and fail-safe mechanism for critical emergency stop functions in any industrial setting. Safety Gate & Access Control: Crucial for monitoring the status of safety gates and access points, preventing operation when guards are open. Machine Safety & Hazard Prevention: Integrates seamlessly into comprehensive machine safety systems. Why Choose the Pilz 751104 PNOZ s4.1 Safety Relay?The Pilz 751104 PNOZ s4.1 Safety Relay is an indispensable component for any industrial environment prioritizing safety and efficiency. Its robust construction, versatile features, and precise monitoring capabilities make it a leading choice for safeguarding personnel and equipment. With easy installation and clear diagnostics, this relay minimizes downtime and ensures a secure operational environment.Order NowUpgrade your industrial safety systems today with the Pilz 751104 PNOZ s4.1 Safety Relay. Contact us for competitive pricing and availability.FAQWhat is the primary function of the Pilz 751104 PNOZ s4.1 Safety Relay?Its primary function is to monitor critical safety functions like emergency stop buttons, safety gates, and light curtains in industrial automation, ensuring immediate and decisive action in case of safety protocol breaches.What types of safety contacts does this relay offer?The relay features 3 Normally Open (N/O) safety contacts for secure power interruption and 1 Normally Closed (N/C) auxiliary contact for status monitoring and diagnostic feedback.Can the Pilz 751104 be used in harsh industrial environments?Yes, it is constructed with a robust industrial-grade plastic housing and boasts IP40 protection for the housing and IP20 for terminals, ensuring high durability even in demanding conditions.How does the relay contribute to fast fault diagnosis?Integrated LED status indicators provide real-time operational status and fault diagnostics, significantly enhancing troubleshooting efficiency and reducing downtime.What mounting options are available for this safety relay?The Pilz 751104 PNOZ s4.1 Safety Relay is designed for compact DIN rail mounting, allowing for quick and straightforward integration into control cabinets.
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Pilz 751104
Overview
This is a genuine Pilz component from the PNOZ Safety Relays family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Pilz catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Pilz automation ecosystem
- Engineered to integrate inside PNOZ Safety Relays installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pilz equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Pilz catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Pilz platform with documented conversion notes for the PNOZ Safety Relays family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 751104
- Series: PNOZ s4.1
- Supply Voltage: 24V DC
- Safety Outputs: 3 N/O Contacts
- Auxiliary Output: 1 N/C Contact
- Input Configuration: Single or Dual-Channel
- Power Consumption: Optimized for low energy usage, contributing to efficient operational costs.
- Housing Material: Made from industrial-grade plastic, providing resilience against physical impacts and environmental factors.
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Protection Rating:
- Housing: IP40 – Offers robust protection against solid objects larger than 1mm.
- Terminals: IP20 – Provides protection against insertion of fingers, enhancing safety during installation and maintenance.
- Operating Temperature: -10°C to +55°C (14°F to 131°F) – Ensures reliable performance across a significant range of industrial temperatures.
- Mounting Type: DIN Rail – Standardized mounting for straightforward integration into control panels.
Applications
- Industrial Automation Safety: Essential for protecting automated machinery, ensuring safe and controlled shutdowns in emergencies.
- Emergency Stop Circuit Monitoring: Provides an instantaneous and fail-safe mechanism for critical emergency stop functions in any industrial setting.
- Safety Gate & Access Control: Crucial for monitoring the status of safety gates and access points, preventing operation when guards are open.
- Machine Safety & Hazard Prevention: Integrates seamlessly into comprehensive machine safety systems.
Why Choose the 751104?
The Pilz 751104 PNOZ s4.1 Safety Relay is an indispensable component for any industrial environment prioritizing safety and efficiency. Its robust construction, versatile features, and precise monitoring capabilities make it a leading choice for safeguarding personnel and equipment. With easy installation and clear diagnostics, this relay minimizes downtime and ensures a secure operational environment.
Availability & Shipping
- ▸In stock: 751104 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 751104 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pilz
Machine down? We ship parts the same day.
New, surplus, and refurbished Pilz inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Pilz resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.