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Catalog 1308242 Issued 3-03
AGASTAT
SRC series
Specification Grade Repeat Cycle Plug-in Time Delay Relay
* * * * * * * Repeat Cycle timing mode Dual knobs for user adjustment of on and off times. 13 timing ranges from 0.1 sec. to 60 min. 10A DPDT output contacts Exceptional immunity to line transients and noise Premium components enhance reliability Superior reset time of 24 msec.
Users should thoroughly review the technical data before selecting a product part number. It is recommended that user also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application.
Timing Modes
Repeat Cycle: Application of line voltage starts the pre-set OFF-time period Upon expiration of the period, the output relay is energized, its contacts transfer, and the pre-set ON-time period begins. At the end of this period the output relay is deenergized, and a new cycle begins. The OFF and ON cycles continue until power is removed. To reset the timer, input voltage must be removed for at least 25 ms.
Input Data @ 25C
Voltage: See Ordering Information section for details. Power Requirement: 3W, max. Transient Protection: Non-repetitive transients of the following magnitudes will not cause spurious operation of affect function and accuracy. Operating Voltage <0.1 ms <1 ms 12VDC 1,000V 240V* 24VAC/VDC 1,000V 240V* 48 VAC/VDC 1,000V 480V* 120 VAC/VDC 3,000V 2,500V* 240VAC 3,000V 2,500V* * Minimum source impedance of 100 ohm.
Timing Specifications
Timing Ranges: OFF time and ON time ranges need not be the same. 6 to 180 cycles; 0.1 to 3 / 1 to 10 / 0.5 to 15 / 1 to 30 / 2 to 60 / 4 to 120 / 6 to 180 / 10 to 300 sec.; 0.33 to 10 / 0.5 to 15 / 1 to 30 / 2 to 60 min. (All are +10%, -1% of maximum values). Timing Adjustment: Two internal potentiometers with external knobs. Accuracy: Repeat Accuracy: 1% 0.004 sec.. Overall Accuracy: 2.25% max. Reset Time: 25 ms. max. (between deenergization and reenergization without affecting accuracy.) Relay Operate Time: 20 ms. Relay Release Time: 15 ms.
Environmental Data
Temperature Range: Storage: -40C to +85C. Operating: -30C to +65C.
Mechanical Data
Mounting/Termination: Quick connect terminals fit either 27E121 or 27E893 (snap-on) socket (order separately). Weight: 5.3 oz. (149g) approximately.
Contact Data @ 25C
Arrangements: 2 Form C (DPDT). Rating: 10A @ 28VDC or 120VAC, resistive; 1/3 HP @ 120/240VAC. Expected Mechanical Life: 10 million operations. Expected Electrical Life: 500,000 operations, min., at rated resistive load.
Ordering Information
Initial Dielectric Strength
Between Terminals & Case and Mutually Isolated Contacts: 1,480VAC.
Outline Dimensions
1.97 (50) 3.7 MAX. (94)
.40 (10) 1.97 (50)
7 2 A | | | Series SRC | Output | Repeat | 2 = DPDT | Cycle Relay | | Timer. | | | Operating Mode 7= Repeat Cycle | | | | | | |
SRC |
C |
Wiring Diagram (Bottom View)
Timing Range Timing Off-Time Adjustment A =0 .1 to 3 sec. A = Dual Knob B = 0.5 to 15 sec. Adjust C = 1 to 30 sec. D = 2 to 60 sec. E = 4 to 120 sec. F = 6 to 180 sec. G = 10 to 300 sec. I = 2 to 60 min. K = 3 to 180 cycles L = 0.33 to 10 min. Timing Range M = 0.5 to 15 min. On-Time N = 1 to 30 min. P = 0.1 to 10 sec. A =0 .1 to 3 sec. B = 0.5 to 15 sec. Operating Voltage C = 1 to 30 sec. (+10%, -15%) D = 2 to 60 sec. A = 120VAC, 50/60 E = 4 to 120 sec. Hz. / 120VDC F = 6 to 180 sec. B = 240VAC, 50/60 G = 10 to 300 sec. Hz. I = 2 to 60 min. E = 24VAC, 50/60 K = 3 to 180 cycles Hz. / 24VDC L = 0.33 to 10 min. F = 48VAC, 50/60 M = 0.5 to 15 min. Hz. / 48VDC N = 1 to 30 min. Q = 12VDC P = 0.1 to 10 sec.
C | | | | | | | | | |
A |
Authorized distributors are likely to stock the following:
None at present.
Dimensions are shown for reference purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. www.tycoelectronics.com Technical support: 1237 Refer to inside back cover.

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