HRDR322B2R datasheet, PDF - EEWORLD Datasheet

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HRDR322B2R: DescriptionRECYCLING TIMER; CategoryTopical application Mechanical and electrical/engineering/automation; File Size659KB，2 Pages; ManufacturerLittelfuse; Websitehttp://www.littelfuse.com

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HRDR322B2R Overview

RECYCLING TIMER

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Time Delay Relays

Dedicated - Recycle

HRDR SERIES

Recycling Timer

Description

The HRDR Series combines an electromechanical relay and

microcontroller timing circuitry. It offers 12 to 230V operation in

five ranges and factory fixed, onboard or externally adjustable

time delays with a repeat accuracy of ±0.5%. The high switching

capacity of the output contacts allow for direct control of heavy

loads like compressors, pumps, motors, heaters and lighting. A

bypass/reset switch option allows operator to interrupt normal

recycling sequence and energize output relay. An excellent

choice for OEM applications.

Operation (Recycling with Reset Switch)

Upon application of input voltage, the ON time T1 begins and

output relay energizes. At the end of the ON time, the output

relay de-energizes and the OFF time T2 begins. At the end of the

OFF time, the output relay energizes and the cycle repeats as

long as input voltage is applied. Some recycling timers have the

OFF time as the first delay.

Wiring Diagram

N/L2

Reset:

Removing input voltage resets output and time delays,

and returns sequence to the first delay.

NO = Normally Open

S1 = Reset Switch

C = Common, Transfer Contact

L = Load

Terminals 4 & 5 and/or 7 & 8

are only included on externally

adjustable units. Relay

contacts are non-isolated.

RT is included when external

adjustment is ordered.

Terminal 6 is included when

Bypass/Reset is selected.

Bypass/Reset Switch:

Closing the normally open bypass/reset

switch energizes the output relay and resets the time delays.

Opening the switch restarts recycling operation with the

first delay.

Features & Benefits

FEATURES

Microcontroller based

Compact, low

cost design

Isolated, 30A, SPDT,

NO output contacts

Encapsulated

Independent adjustment

of On and Off delays

Bypass/Reset

switch option

BENEFITS

Repeat Accuracy + / - 0.5%

Allows flexiblility for OEM applications

Allows direct operation of heavy loads:

compressors, pumps, blower moters, heaters.

Protects against shock, vibration, and humidity

Provides greater flexibility of timing options

Allows operator to interrupt the timing sequence

and energize the output relay

Ordering Information

MODEL

INPUT

VOLTAGE

EXTERNAL ADJUSTMENT

T1 ON TIME

OPERATING

SEQUENCE

T2 OFF TIME

BYPASS / RESET

OPTION

HRDR121A4R

HRDR321A4R

HRDR322B2R

HRDR330A0R

HRDR331A1

HRDR411SB30MR

HRDR431A1R

12VDC

24VDC

120VAC

Both time onboard adj

Both time external adj

Both times fixed

Both times external adj

1 - 100s

10 - 1000S

0.1 - 10s

1 - 100s

0.1 - 100s

On time first

Off time first

On time first

Off time first

On time first

1 - 100m

10 - 1000S

0.1 - 10s

1 - 100s

30m

0.1 - 100s

Yes

If you don’t find the part you need, call us for a custom product 800-843-8848

www.littelfuse.com/hrdr

Rev: 1-A-062116

HRDR322B2R Related Products

	HRDR322B2R	HRDR121A4R	HRDR330A0R	HRDR331A1	HRDR411SB30MR	HRDR431A1R	HRDR321A4R
Description	RECYCLING TIMER	RECYCLING TIMER	RECYCLING TIMER	RECYCLING TIMER	RECYCLING TIMER	RECYCLING TIMER	RELAY TIME DELAY 100SEC 30A 125V

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