81E2A604
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In-Stock, Ships 1-2 Days
The 81E2A604 is a surface-mounted timer featuring a dial knob and a nominal voltage of 120 VAC. Designed by Danaher as part of their Timers and Controllers series, it operates at 50/60 Hz and incorporates a Lexan enclosure for durability. It boasts a timing range of 0.8 to 8 seconds.
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Product Description:
The 81E2A604 Time Delay Relay is an electromechanical unit designed for OFF delay operation. It operates on a 120 V AC supply at 50 - 60 Hz. The relay uses a plug in base for mounting and includes a keyed pin layout for correct orientation. Its molded housing ensures durability in demanding environments.
This 81E2A604 time delay relay functions on the delay on break principle where output changes state after a preset time once power is removed. The supply voltage is 120 VAC and it supports both 50 Hz and 60 Hz frequencies. The time delay is adjustable via a rotary dial located on the front panel. The relay type is electromechanical and provides reliable switching performance. The repeat accuracy of the model is ± 1 % that ensures consistent timing cycles. The reset time is less than 50 milliseconds after power restoration for fast operational readiness. The housing of the model is molded plastic in an orange color for easy identification in control panels. The back panel includes eight numbered metal connection pins arranged in two rows for socket mounting. The keyed pin design prevents incorrect insertion. The mounting method for the relay is a plug in base with retaining clips or handles on both sides for secure placement and easy removal.
The 81E2A604 time delay relay from Danaher is designed for operating humidity between 35 % and 8 5% RH non condensing. It withstands vibration between 10 Hz and 55 Hz with a double amplitude of 1.0 mm. The shock resistance ranges from 10 G to 100 G depending on the structural configuration. This combination of electrical and mechanical design features ensures that the relay performs reliably in various industrial automation, motor control and process timing applications.
Frequently Asked Questions about 81E2A604:
Q: How does the 81E2A604 Time Delay Relay perform under varying frequencies?
A: The 81E2A604 operates on a 120V AC supply supporting both 50 Hz and 60 Hz frequencies. It maintains consistent performance and precise timing cycles regardless of the frequency fluctuations within the specified range.
Q: How quickly can the 81E2A604 Time Delay Relay reset after power restoration?
A: The reset time of the 81E2A604 is less than 50 milliseconds, ensuring rapid recovery after power is restored. This feature helps minimize downtime and allows for fast operational readiness in critical systems.
Q: Can the 81E2A604 Time Delay Relay handle challenging environmental conditions?
A: The 81E2A604 is designed to withstand operating humidity between 35% and 85% RH non-condensing. Additionally, it can endure vibrations from 10 Hz to 55 Hz and shock resistance from 10 G to 100 G.
Q: What mounting options are available for the 81E2A604 Time Delay Relay?
A: The 81E2A604 uses a plug-in base for mounting with retaining clips or handles on both sides. This ensures secure placement and easy removal, allowing seamless integration into control panels and automation systems.
Q: How does the 81E2A604 Time Delay Relay ensure precise time delay functionality?
A: The relay’s time delay is adjustable via a rotary dial located on the front panel. With a repeat accuracy of ±1%, the 81E2A604 provides highly consistent timing cycles suitable for various industrial automation applications.
