BR49A6
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The BR49A6 is a base-mounted timer featuring a geared drive mechanism with a 1:1 ratio. Manufactured by Danaher as part of their Timers and Controllers series, it has a preset capacity of 5 digits, allowing for counts up to 99,999. The timer includes manual reset functionality and a durable Zamak case.
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Product Description:
The BR49A6 timer from Danaher features a 30-minute reset timing that is designed for industrial applications. It is part of the BR4 series and has a Cycl-Flex dial of a 0 - 30-minute range. This timer operates on a 120 VAC supply source at 60 Hz frequency and it provides standard timing functionality, without a reverse-start feature.
The BR49A6 timer possess a motor with combination of a clutch to make timings possible on the circular dial, its motor consumes 3 W of power and the clutch functions by using 4 VA power. Its reset time is 500 milliseconds at maximum setting and it has a pull-in time of 30 ms along with a drop-out time of 4 ms. This timer offers high accuracy with a repetitive accuracy of ±1.75% at the maximum setting and a dial accuracy of ±1%. Its minimum setting accuracy is approx. 3% at full scale. The BR49A6 timer uses a 14-terminal housing for flexible wiring and mounting. Its panel cutout size is about 77.77 mm x 77.77 mm in square shape and the unit’s depth is 96.03 mm. The timer is designed for easy panel mounting with four 4.34 mm diameter holes.
The BR49A6 timer is presented with contact ratings of 10 A at 120/240 VAC and 1/6 HP at 120 VAC along with 1/4 HP at 240 VAC. Its UL rating is 3 A at 120/240 VAC and shows compatible with accessories that include the H-5331 mounting brackets and the HP50-103 recycle module, which converts the timer into a repeat-cycle timer. This BR49A6 timer can operate within a temperature range of -23°C to +60°C with humidity up to 95% and at an attitude of up to 2000 m.
Frequently Asked Questions about BR49A6:
Q: How does the Cycl-Flex dial improve usability on the BR49A6 timer?
A: It provides smooth, incremental time setting with tactile feedback, making fine adjustments easy. This enhances operator control during panel commissioning.
Q: What is the significance of the 14-terminal housing on the BR49A6 timer?
A: It enables multiple and flexible wiring configurations, simplifying integration. This reduces installation time in complex control schemas.
Q: Why is a 500 ms reset time advantageous on the BR49A6 timer?
A: A fast reset ensures the timer can be quickly reused or retriggered in rapid cycling applications. This boosts responsiveness in high-throughput systems.
Q: How does the ±1.75% repetitive accuracy of the BR49A6 timer benefit industrial use?
A: It ensures consistent performance over cycles, reducing timing drift. This precision is crucial in synchronization tasks like batch control or sequencing.
Q: Why does the BR49A6 timer use a clutch powered at 4 VA?
A: The clutch ensures immediate mechanical engagement of the dial without overshoot. Its power rating reflects the robust actuation needed for reliability.
