700-FSM3UU23 Allen-Bradley

700-FSM3UU23 Allen-Bradley I / O module

Product  Description：

The 700-FSM3UU23 is a Solid-State Output or Electromechanical Relay (depending on the specific internal configuration of the FSM sub-series) that provides precise timing control. It features a compact 22.5 mm width housing, which saves significant space inside an electrical cabinet. The "UU23" designation indicates its universal power supply capability and specific contact arrangement. It is equipped with adjustment knobs on the front face for selecting the time range, the specific timing function, and the fine-tuning of the time delay.

Product Parameters

• Timing Functions: Multi-function, including On-Delay, Off-Delay, One-Shot, Flasher (starting with pulse or pause), and Watchdog functions.

• Voltage Range: Universal supply voltage of 24V to 240V AC (50/60 Hz) or 24V to 240V DC.

• Contact Configuration: 2 Changeover Contacts (2 C/O), also known as Double Pole Double Throw (DPDT).

• Timing Ranges: Adjustable from 0.05 seconds to 60 hours, divided into several selectable sub-ranges.

• Terminal Type: Screw terminals for secure wire termination.

• Mounting: Standard 35 mm DIN rail mounting.

• Power Consumption: Low power consumption, typically around $0.5 \text{ W}$ to $2.5 \text{ VA}$ depending on the operating voltage.

• Degree of Protection: IP40 for the enclosure and IP20 for the terminals.

Product Advantages

• High Versatility: Because it covers a massive voltage range and dozens of timing functions in a single unit, it reduces the need for maintenance teams to stock multiple different specialized relays.

• Space Efficiency: The slim 22.5 mm profile allows for high-density installation in crowded control panels.

• Ease of Use: Clear scale markings and rotary switches on the front allow for quick setup without the need for complex programming software.

• Reliability: Built to industrial standards, it provides high repetitive accuracy (typically within $\pm 0.2\%$) and long mechanical life.

• Global Standards: It carries multiple certifications, including UL, CSA, and CE, making it suitable for export machinery and global industrial use.

Important Considerations

• Proper Selection: Ensure the chosen timing function matches the logic requirements of your circuit (e.g., ensuring a motor doesn't start immediately after a stop command).

• Load Limits: Do not exceed the rated current of the contacts (typically 8A resistive). For high-power motors or large inductive loads, use the relay to trigger a larger contactor.

• Environmental Limits: Operate within the specified temperature range, usually between $-25°C$ and $+60°C$. Avoid environments with excessive vibration or corrosive gases.

• Wiring Safety: Always verify that the supply voltage is within the $24V-240V$ range before applying power. Ensure the screw terminals are tightened to prevent arcing.

• Induced Voltage: When using long control lines, be aware of induced voltages that might inadvertently trigger the "start" input of the relay.

Product Applications

The 700-FSM3UU23 is widely used across various industries where delayed switching is necessary for safety or process sequences.

• Motor Control: Managing star-delta starter transitions or providing a "cool-down" period before a motor can be restarted.

• HVAC Systems: Controlling fan delays, where the fan continues to run for a few minutes after the heating or cooling element has turned off.

• Conveyor Belts: Sequencing multiple belts to start one after another to prevent a massive power surge on the electrical grid.

• Lighting Control: Delaying the shut-off of lights in industrial walkways or parking lots.

• Machine Safety: Implementing a "request to entry" delay, ensuring that a machine has come to a complete standstill before an operator can unlock a safety gate.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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