Product Details
Overview
The Honeywell 51120841-101 is a versatile single-pole double-throw (SPDT) relay module designed for industrial control, building automation, and safety-critical systems. It provides rapid switching and high safety integrity, ensuring reliable operation in demanding environments.
Technical Specifications
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Model Number: 51120841-101
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Product Type: Single SPDT Control Relay / Safety Input Module
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Contact Configuration: SPDT (Single Pole, Double Throw)
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Control/Coil Voltage: 24 VDC
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Contact Rating: 10 A at 250 VAC
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Input Channels: 8 discrete inputs (for safety module variant)
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Safety Integrity Level: SIL3 (IEC 61508 compliant)
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Response Time: ≤10 ms
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Mounting: DIN rail or panel
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Dimensions: 13.5 cm × 7.1 cm × 2 cm
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Weight: 0.2–1.07 kg depending on variant
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Warranty: 12 months
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Country of Origin: USA
Key Features
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High Safety Integrity: SIL3 certification ensures suitability for safety-critical industrial applications
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Fast Switching: ≤10 ms response time supports real-time control tasks
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Versatile Use: Configurable for either relay control or safety input monitoring
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Compact Design: Space-efficient form factor for dense control cabinet layouts
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Reliable Performance: Robust electrical isolation and fault tolerance for harsh industrial conditions
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Easy Integration: Compatible with Honeywell Experion and FSC systems
Applications
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Industrial process control
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Building automation systems
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Safety-critical monitoring
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DCS and control panel integration
FAQ
Q: Is the module suitable for safety-critical applications?
A: Yes, 51120841-101 is SIL3 certified and designed for high-integrity safety systems.
Q: What is the response time of the relay?
A: The module responds in ≤10 ms, ideal for real-time control scenarios.
Q: Can it be mounted in compact control cabinets?
A: Yes, its space-efficient design fits DIN rail or panel installations.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.