SCFRX902AA

Specialty Relays 

**12** 

## **SCF Series, Programmable, Time Delay Relay** 

## **Product Facts** 

- n **4 user-programmable timing modes** 

- n **0.1 sec. to 10 hr.** 

- **programmable timing range** 

- n **Parameters set with recessed dials** 

- n **Narrow width saves panel space** 

- n **10A DPDT output relay** 

- n **Socket can be DIN-rail or back panel mounted** 

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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. 

## **Contact Data @ 25°C** 

## **Timing Modes** 

|**Contact Data @ 25°C**||||
|---|---|---|---|
|**Contact Data @ 25°C**<br>**Arrangements**— 2 Form C (DPDT).|**Operating**<br>**Voltage**|**<0.1 ms**|**<1 ms**|
|**Rating**— 10A @ 28VDC or 120VAC,<br>resistive; 1/3 HP @ 120/240VAC;|12VDC<br>24VAC/VDC|1,000V<br>1,000V|240V*<br>240V*|
|345VA.|48 VAC/VDC|1,000V|480V*|
|**Expected Mechanical Life**—<br>10 million operations.<br>**Expected Electrical Life**— 500,000<br>operations, min., at rated resistive load.|120 VAC,<br>125VDC<br>240VAC/VDC<br>*Minimum source impedance of 100 ohm|3,000V<br>2,500V*<br>3,000V<br>2,500V*<br>*Minimum source impedance of 100 ohm||



Modes are user selectable via screwdriver adjustment of recessed 4-position selector dial. 

Modes offered are: On-Delay, Off-Delay, Interval and Latching Interval. 

## **Timing Specifications** 

**Expected Electrical Life** — 500,000 operations, min., at rated resistive load. 

**Timing Ranges** — 0.1 to 3 / 0.33 to 10 / 1 to 30 / 4 to 120 sec.; 0.33 to 10 / 1 to 30 / 2 to 60 min.; 0.33 to 10 hr. 

## **Environmental Data** 

**Initial Dielectric Strength** — Between Terminals and Case — 1,000VAC plus twice the nominal voltage for one minute. 

**Temperature Range** — Storage — -40°C to +85°C. Operating — -30°C to +65°C. 

**Timing Range Selection** — Screwdriver select via recessed 8-position selector dial. 

## **Input Data @ 25°C** 

## **Mechanical Data** 

**Timing Adjustment** — External knob potentiometer adjustment with reference calibrations. 

**Voltage** — See Ordering Information section for details. 

**Mounting/Termination** — 11-pin octal-type plug for use with mating socket. Mount relay in horizontal position (pins horizontal, knob down, LEDs up). **Status Indication** — Power On LED and Output Contacts LED. 

**Accuracy** — Repeat Accuracy — ±1% ±0.01 sec. Overall Accuracy — ±3% ±0.01 sec. 

**Power Requirement** — 2W, max. 

**Transient Protection** — Non-repetitive transients of the following magnitudes will not cause spurious operation of affect function and accuracy. 

**Reset Time** — 30 ms. 

**Relay Operate Time** — On-Delay and Interval mode: 55 ms. 

**Weight** — Relay: 3.5 oz. (156g) approx.; Socket: 1.7 oz. (48.3g) approx. 

**Relay Release Time** — Off-Delay, Interval and Latching Interval: 40 ms. 

## **Outline Dimensions** 

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**Ordering Information** (All "X's" must be included to complete part number) 

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Wiring Diagram<br>(Bottom View)<br>**----- End of picture text -----**<br>


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SCF RX 90 2 A A<br>| | |<br>Series SCF Operating Mode Output Rating<br>Plug-In<br>Programmable 90 = Multiple Modes A = 10 Amp<br>Timer On-Delay B = 5 Amp<br>Off-Delay<br>Interval<br>||||||||||| Latching Interval |||||||||| |||||||||||<br>Output<br>Mounting Operating Voltage<br>2 = DPDT Relay (+10%, –15%)<br>RX = Without Socket<br>RF = With Socket A = 120VAC, 50/60 Hz. / 125VDC<br>B = 240VAC, 50/60 Hz. §<br>E = 24VAC, 50/60 Hz. / 24VDC<br>§ Voltage Option B is only available with<br>F = 48VAC, 50/60 Hz. / 24VDC<br>Q = 12VDC 5 Amp output option.<br>**----- End of picture text -----**<br>


## **Authorized distributors are likely to stock the following:** 

None at present. 

12–37 

Catalog 5-1773450-5 Revised 3-13 

USA: +1 800 522 6752 For additional support numbers Asia Pacific: +86 0 400 820 6015 please visit www.te.com UK: +44 800 267 666 

Dimensions are shown for reference purposes only. Specifications subject to change. 

Dimensions are in millimeters unless otherwise specified. 

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