Pilz 751109 PNOZ s9 C Safety Relay 24VDC 3NO 1NC Delay Extension

Description

The Pilz 751109 PNOZ s9 C is a high-performance, flexible safety timer and contact expansion module belonging to the PNOZsigma series. Operating on a 24 V DC supply voltage, it features 3 delayed safety output contacts (Normally Open) and 1 auxiliary feedback contact (Normally Closed) with vibration-proof spring-loaded push-in terminals.

The PNOZ s9 C can be used as an independent safety timer relay or as a contact expansion module connected to a base safety relay (such as PNOZ s3, s4, or s5). It enables controlled stopping sequences for high-inertia automated machinery—maintaining contact closure during motor deceleration before total electrical isolation. For safety engineers, panel builders, and plant maintenance managers across Bangladesh, this German-engineered Pilz safety relay provides certified operator protection, precise process timing, and international safety compliance.

Key Features

• PNOZsigma Ultra-Slim Housing: Extremely compact 17.5 mm width saves maximum DIN rail space inside industrial control cabinets.
• Spring-Loaded Push-in Terminals (“C” Variant): Maintenance-free, vibration-resistant, and tool-free wiring design for rapid installation.
• Configurable Operating Modes: Functions as a delay-on-de-energization timer relay, delay-on-energization timer relay, or pulsing timer module.
• Adjustable Time Delay Range: Precision front-panel rotary selector enables fine-tuning of time delays from 0.05 seconds up to 300 seconds.
• Contact Expansion Capability: Easily pairs with PNOZsigma base units via side expansion connectors to expand delayed safety contact capacity.

Technical Advantages

• High Safety Standard Compliance: Achieves up to PL e / Category 4 (EN ISO 13849-1) and SIL CL 3 (EN IEC 62061) when correctly integrated.
• Durable Industrial Enclosure: Heavy-duty polycarbonate chassis engineered to withstand mechanical shock and thermal stress.
• Advanced Electronic Safeguards: Built-in circuit protection prevents contact welding, line cross-faults, and short-circuit damage.
• Energy-Efficient Circuitry: Low internal power draw minimizes thermal buildup and reduces control cabinet cooling demand.
• Easy Maintenance: Push-in terminals allow fast module replacement without disconnecting individual wire conductors.

Applications

• Residential: Safety interlocking and delayed door locking for automated residential elevator systems.
• Commercial: Escalator safety braking circuits and commercial facility automated access barrier controls.
• Industrial: Timed E-stop shutdown, safety gate guard locking delay, light grid mute timing, and contact expansion.
• Factory: Textile spinning/weaving frames, garment cutting tables, pharmaceutical packaging equipment, and heavy stamping presses.
• Office: Central safety shutoff controllers for corporate facility automated security barriers.
• Project Installation: Machine safety retrofits, OEM panel building, and ISO/CE safety compliance upgrades.

Why Choose This Product?

• Pilz World-Class Engineering: Manufactured by Pilz, the globally recognized leader in industrial automation safety technology.
• Precision Timed Deceleration: Enables safe, controlled machine stopping without risking mechanical jamming or gear destruction from instantaneous drops.
• Cost Effectiveness: Prevents costly operator injury liabilities, guards high-value machinery, and reduces unplanned downtime.
• After-Sales Value: Supported by loopshop.com.bd with dedicated technical assistance and prompt nationwide delivery across Bangladesh.

Technical Specification Table

Features List

• ✓ 24 V DC supply voltage operation
• ✓ 3 Delayed safety contacts (NO) + 1 Auxiliary contact (NC)
• ✓ Adjustable time delay from 0.05 s to 300 s
• ✓ Spring-loaded push-in terminal connections (“C” model)
• ✓ Ultra-slim 17.5 mm DIN-rail mounting profile

Benefits For Customers

• Reduces Electricity Cost: Efficient electronic design limits utility power draw and panel heat dissipation.
• Improves Operational Reliability: Eliminates false trips while ensuring precise timed shutoff or delayed activation during safety events.
• Saves Maintenance Cost: Vibration-proof push-in terminals eliminate maintenance calls caused by loose screw connections.
• Suitable for Bangladesh Environment: Operates reliably in high ambient temperatures (up to +55 °C) inside factory control panels across Bangladesh.

Installation & Maintenance Guide

Installation Requirements:

• Mount the module vertically onto a standard 35 mm DIN rail inside an IP54-rated protective control cabinet.
• Connect input control signals or base module expansion interfaces using specified wire cross-sections.
• Set the front rotary selector switches to select the desired operating mode (delay-on-de-energization or delay-on-energization) and exact time delay setting before powering on.
• Wire safety output contacts (NO) in series with main motor contactors or drive enable inputs according to Pilz wiring schematics.

Maintenance Tips:

• Conduct routine functional safety testing at least once a year by actuating connected safety inputs and verifying timer delays.
• Keep top and bottom ventilation grilles clear of industrial dust, oil residue, or textile lint buildup.
• Observe front diagnostic LEDs during routine panel audits to check supply power and channel switching health.

Safety Instructions:

• Installation and wiring must be performed exclusively by qualified automation safety technicians.
• Always isolate control and main power sources before touching wiring or adjusting panel selector switches.
• Never short-circuit or bypass safety relay output contacts under any circumstances.

Frequently Asked Questions (FAQ)

Q: What is the price of 751109 S9 PNOZ S9C 24VDC 3no 1nc Delay Overload Safety Relay in Bangladesh?

A: You can check the latest updated price for the Pilz 751109 PNOZ s9 C safety relay directly on loopshop.com.bd or contact our customer support for bulk price quotes.

Q: Where can I buy 751109 S9 PNOZ S9C 24VDC 3no 1nc Delay Overload Safety Relay in Bangladesh?

A: You can purchase genuine Pilz 751109 safety relays online directly from loopshop.com.bd with fast nationwide delivery across Bangladesh.

Q: What warranty does this product have?

A: Warranty specifications depend on current manufacturer stocking and distribution terms. Please verify details on loopshop.com.bd or contact sales before ordering.

Q: Is this suitable for Bangladesh climate?

A: Yes, with an operating temperature rating from -10 °C to +55 °C, it is engineered to function reliably inside industrial control cabinets in Bangladesh.

Q: How to install this product?

A: Snap the module onto a 35 mm DIN rail, connect wiring to the push-in spring terminals, configure the front timer delay switches, and apply 24 V DC control power.

Q: What is the main function of the Pilz PNOZ s9 C 751109?

A: It functions as a delay safety timer relay or contact expansion module for providing timed delay-on-de-energization or delay-on-energization safety outputs.

Q: What terminal type does the model 751109 feature?

A: The “C” designation in 751109 indicates spring-loaded push-in terminal blocks (cage clamp type) for fast, tool-free, and vibration-proof wiring.

Q: What is the time delay adjustment range on the PNOZ s9 C?

A: The time delay can be adjusted between 0.05 seconds and 300 seconds using front-panel rotary selectors.

Q: What safety performance level can the PNOZ s9 C achieve?

A: It complies with up to PL e / Category 4 (EN ISO 13849-1) and SIL CL 3 (EN IEC 62061) when correctly integrated.

Q: Is loopshop.com.bd a trusted seller for Pilz automation safety parts in BD?

A: Yes, loopshop.com.bd is a leading online store in Bangladesh supplying authentic industrial automation and machine safety components