1734-OA4K

Overview of Allen Bradley 1734-OA4K

The Allen Bradley 1734-OA4K is a 4-channel AC output module designed for use in POINT I/O distributed I/O systems. Featuring a conformal coating for extra protection in harsh environments, this unit operates at 120/230 VAC, delivering reliable performance for industrial automation applications that require multiple AC outputs in compact control panels. As part of the Allen Bradley 1734 POINT I/O family, the 1734-OA4K is engineered for quick installation and flexible deployment, making it suitable for both new designs and retrofit projects. Its small footprint and modular, DIN-rail mountable design help save space in crowded control cabinets, while robust channel isolation and efficient current handling ensure safe, stable operation. The conformal coating enhances resistance against moisture, dust, and corrosive atmospheres, making this model a sensible choice for demanding factory or process floor conditions.

Key Features of Allen Bradley 1734-OA4K

• 4 individually controlled AC output channels
• Rated for 120/230 VAC applications
• Conformally coated for advanced environmental protection
• Compact form factor—ideal for distributed I/O installations
• DIN-rail mountable and fully compatible with POINT I/O bases
• Channel isolation for safe, reliable operation

Technical Specs of 1734-OA4K

• Number of outputs: 4 Channels
• Operating voltage: 120/230 VAC
• Current per output: Up to 750 mA per channel
• Max current per module: 2.0 A (derates linearly above 45°C)
• On-state voltage range: 74–264 VAC
• POINTBus current: 75 mA @ 5V DC
• Power dissipation: Up to 3.5 W @ 264 VAC
• Dimensions (H x W x D): 56.0 x 12.0 x 75.5 mm
• Surge current: 16 A for 100 ms, repeatable every 10 s
• Environmental resistance: Conformal coating protection

Applications / Use Case

The Allen Bradley 1734-OA4K is commonly used in industrial automation projects requiring distributed control of AC-powered devices, such as motors, solenoids, or pilot lights. Typical settings include manufacturing facilities, process industries, water treatment plants, and packaging lines where distributed I/O helps reduce lengthy wiring runs and offers flexibility in system design. The module’s conformal coating makes it especially valuable in environments exposed to humidity, dust, or corrosive agents—such as food and beverage processing areas or harsh assembly lines. OEMs, panel builders, and system integrators count on this POINT I/O module to simplify control architectures while maintaining reliable channel operation and safety compliance. The versatility and scalable nature of the 1734-OA4K allow it to be easily combined with other POINT I/O modules for complete machine or process line automation.

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