HZ40A6B21220S
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The HZ40A6B21220S timer features a time range of 30 seconds, operates at 120V AC 50/60Hz, and offers a reset time of 1 millisecond. Part of the Timers and Controllers series by Danaher, it includes a surface mount with dial knob design and ±3% dial setting accuracy for precision control.
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Product Description:
The HZ40A6B21220S is an electromechanical relay timer from Danaher that is designed for precise time control. It operates on a 120 V AC supply source, at 50/60 Hz frequency for global compatibility and it has a time range of 30 seconds. This timer consumes 1.5 W of power during operation and its output contacts rating is specified as 15 A at 120 V AC/10 A at 240 V AC for resistive loads.
The HZ40A6B21220S timer features a 9-point screw type terminal block for connectivity and it accepts 16 AWG sized wires for easy and secure connections. It uses a solenoid operated clutch that engages gear assemblies to open/close contacts in the timer and it includes a progress indicator to display the count status. This device offers a dial setting accuracy of ±3% at full scale and its repeatability is within ±0.25%. Its reset time is 1 millisecond for quick operations and its minimum setting time is 0.3 seconds. The HZ40 timer supports surface mounting and its case is made from Lexan, a UL-recognized material known for its durability. Its operating temperature range is between -23°C to 60°C and it tolerates humidity between 20% to 95% at a maximum installation height of 2000 m. This unit also offers an activation time of 150 milliseconds to trigger actions quickly.
The HZ40A6B21220S timer comes with a dial knob for timing adjustment and for added convenience, the setting knob is also lockable to prevent any errors caused by vibrations during operation. It operates in three different ranges to suit various applications and it is made to endure industrial standard shock levels. This HZ40 timer is presented with 3 SPDT relay output contacts with pairs of NO and NC points.
Frequently Asked Questions about HZ40A6B21220S:
Q: How do the SPDT relay outputs of the HZ40A6B21220S enhance control flexibility?
A: Each SPDT output offers both Normally Open (NO) and Normally Closed (NC) contacts, enabling dual-state control. This allows integration into fail-safe and standard logic systems.
Q: How does the lockable dial knob help in industrial environments?
A: The lockable dial on the HZ40A6B21220S timer prevents unintentional timing shifts caused by vibration or operator error. This feature ensures consistent operation in high-vibration environments like production lines.
Q: What role does the 9-point screw terminal play in installation?
A: The 9-point terminal block ensures secure wiring and organized connections. It simplifies maintenance and troubleshooting by clearly separating input and output lines.
Q: How does the ±0.25% repeatability affect long-term performance?
A: It ensures nearly identical timing cycles over extended use, minimizing drift. This is crucial in synchronized processes where timing variance can lead to defects.
Q: Is the HZ40A6B21220S suitable for high-altitude installations?
A: Yes, the HZ40A6B21220S is rated for installations up to 2000 meters. This makes it usable in elevated industrial zones or mining operations.
