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Home Product 1734-OB4K POINT I/O 4-Channel Sinking Output Module | Allen-Bradley
I/O Module

1734-OB4K POINT I/O 4-Channel Sinking Output Module | Allen-Bradley

1734-OB4K module
POINT I/O Digital Output
4-Channel Relay Output
1734-OB4K
The 1734-OB4K module is a POINT I/O Digital Output featuring 4-channel relay outputs for reliable control in industrial automation applications.
Categories:Automation
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Product Description

The 1734-OB4K module is a 4-Channel Relay Output unit designed for the POINT I/O Digital Output system. This module provides four isolated relay outputs (form-C contacts) capable of switching both AC and DC loads, supporting voltages up to 240V AC/DC. It integrates directly into POINT I/O systems, connecting to backplane modules like the 1734-ADN or 1734-AENT for communication via DeviceNet or EtherNet/IP protocols. Operating within a voltage range of 12-24V DC for the logic side and up to 240V AC/DC on the output side, it is suitable for industrial applications such as manufacturing automation, process control, and machinery control. Key advantages include rugged design for harsh environments, easy configuration, and compatibility with modular I/O systems. A limitation is the mechanical relay lifespan (typically 100,000 cycles), which may require maintenance in high-frequency switching scenarios. Temperature tolerance spans -20°C to 60°C for reliable performance in varied conditions.
Parameter Specification
Module Type 1734-OB4K
I/O Category POINT I/O Digital Output Module
Output Channels 4 Relay Outputs
Contact Configuration Form-C (SPDT)
Output Contact Rating 2 A @ 250 V AC/30 V DC
Isolation Voltage 1500 V AC between Field and Logic
Operating Voltage Range 5-265 V AC/5-125 V DC
Power Dissipation 2.5 W Maximum
Response Time 10 ms Maximum
Communication Interface EtherNet/IP via 1734-COMM Adapter
Operating Temperature -20°C to +60°C
Certifications UL Class I Div 2, CE, ATEX Zone 2
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs vary by carrier and destination. We offer economical options like sea freight upon request. Contact us for tailored solutions.
question:What payment methods do you accept?
answer:We accept TT, PayPal, L/C, and other major methods. Custom payment terms available upon negotiation.
question:Can I request low-value declaration for shipments?
answer:Declarations must comply with international trade laws. We optimize documentation legally but cannot facilitate undervaluation.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why is shipping so expensive? Are there cheaper options?
answer:Shipping costs vary by carrier and destination. We offer economical options like sea freight upon request. Contact us for tailored solutions.
question:What payment methods do you accept?
answer:We accept TT, PayPal, L/C, and other major methods. Custom payment terms available upon negotiation.
question:Can I request low-value declaration for shipments?
answer:Declarations must comply with international trade laws. We optimize documentation legally but cannot facilitate undervaluation.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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