Product Details
Product Description
The Allen Bradley 1734-OW4 POINT I/O module provides four isolated electromechanical relay outputs, designed for flexible digital output control in distributed automation systems. Each channel uses Form A (normally open) contacts, offering reliable switching for both AC and DC loads. With robust isolation, compact design, and long contact life, this module is well-suited for industrial applications requiring dependable relay-based output control.
Technical Specifications
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Manufacturer Allen Bradley
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Product Line POINT I/O
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Product Type Digital Output Module
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Part Number 1734-OW4
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Outputs per Module 4 Form A isolated (NO) relay contacts
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Off-State Leakage Current Max 1.2 mA @ 240 V AC (with bleed resistor through snubber circuit)
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Backplane Power 5 V DC, 90 mA
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Power Consumption 0.8 W
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Power Dissipation Max 0.5 W
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Contact Ratings
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120/240 V AC, 2.0 A @ 50/60 Hz
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1800 VA make, 180 VA break
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5–30 V DC, 2.0 A, R150
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Isolation Voltage 250 V, tested at 2550 V DC for 60 s (field-to-system and between contact sets)
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Switching Frequency Max 1 operation per 3 s (0.3 Hz @ rated load)
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Electrical Contact Life Minimum 100,000 operations @ rated load
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Wiring Category Category 1 (signal ports)
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Wire Size 0.25–2.5 mm² (22–14 AWG), solid or stranded copper, rated 85 °C or higher, insulation max 1.2 mm
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Terminal Base Screw Torque Determined by installed terminal block
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Weight 0.06 kg
Application Scenarios
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Relay-based digital output control in distributed POINT I/O systems
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Switching AC or DC loads in industrial automation panels
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Applications requiring isolated relay contacts for safety and reliability
FAQ
Q: How many relay outputs does the 1734-OW4 provide? A: It includes four Form A (normally open) isolated relay outputs.
Q: What is the expected contact life? A: At least 100,000 operations under rated load conditions.
Q: What isolation voltage is supported? A: 250 V, tested at 2550 V DC for 60 seconds.
Comparable Models
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1734-OW4: 4-point relay output module (this model)
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1734-OB8: 8-point DC transistor output module
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1734-OV4: 4-point DC sinking output module
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.