1-1393102-6

Catalog 1308242 PDF Revised 9-03 

_P&B_ 

## KRPA, KRP, KA, KR series 

## **5 to 10 Amp General Purpose Relay** 

File E29244, E22575 

File LR15734 

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KRPA KRP KA<br>**----- End of picture text -----**<br>


Users should thoroughly review the technical data before selecting a product part number. It is recommended that users 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. 

## **Coil Data @ 25°C** 

## **Features** 

- Industry standard octal-type termination for quick installation. 

- Contact arrangements from 1 Form C (SPDT) to 3 Form C (3PDT). 

- Indicator lamp and push-to-test options available on certain models. 

- The KRPA is the automated manufactured version of the KRP. 

## **Contact Data @ 25°C** 

**Arrangements:** See Ordering Information Table. **Materials:** Silver or silver-cadmium oxide, with or without gold flashing. **Expected Life:** 10 million operations min., mechanical; 100,000 operations min. @ rated loads. 

|**Contact Code**|**Arrangement**|**Contact Rating**|
|---|---|---|
|Y<br>(Silver)|1, 2, 3 Poles|5A @ 120VAC<br>3A @ 240VAC<br>1/10HP @ 120VAC<br>1/6HP @ 240VAC|
|G&N<br>(Silver-Cad.<br>Oxide)|1, 2, 3 Poles|10A @ 240VAC<br>1/2 HP @ 240VAC<br>1/3HP @ 120VAC|



## **KRP, KRPA Factory Ratings** 

|**Contact Code**|**Arrangement**|**Contact Rating**|
|---|---|---|
|Y|1, 2, 3 Poles|5A @ 28VDC, 120VAC, 80% PF|
|G&N|1, 2, 3 Poles|10A @ 28VDC, 120VAC, 80% PF<br>6A @ 250VAC|



## **KA UL Contact Ratings** 

|**Contact Code**|**Contact Code**|**Series**|**Contact Ratings**|
|---|---|---|---|
|Y||KA1|5A @ 120VAC, 3A @ 240VAC,|
||||1/10 HP @ 120VAC, 1/6 HP @ 240VAC|
|G||KA2|10A @ 120VAC, 6A @ 240VAC<br>1/6 HP @ 120VAC, 1/3 HP @ 240VAC|



1Listed by C.S.A. for 5A @ 120VAC 80% PF 

2Listed by C.S.A. for 10A @ 120VAC 80% PF 

**Note:** See KRPA, KRP, KA Ordering Information table. 

|**Coil Data @ 25°C**|**Coil Data @ 25°C**|**Coil Data @ 25°C**|**Coil Data @ 25°C**|
|---|---|---|---|
|||**Nominal Power**|**Maximum Power**|
|**KRP**<br>**KRPA**|AC|2VA|Enclosed Models - 4VA|
||DC|1.2W|Enclosed Models - 3W|
|**KA**|AC|2VA|Open Models - 4VA|
||DC|125mW per movable arm|Open Models - 4W|



**Duty Cycle:** Continuous. 

**Initial Insulation Resistance:** KRP, KRPA - 1000 Megohms, min. KA - 100 Megohms, min. 

## **Coil Data @ 25°C** 

|||**Nominal**|**DC Resistance (**Ω**)**|**DC Resistance (**Ω**)**|**Nominal Coil**|
|---|---|---|---|---|---|
|||**Voltage**||**±10%**|**Current (mA)**|
|||6||32|188|
||**DC**<br>**Coils**|12<br>24<br>48||120<br>472<br>1,800|100<br>51<br>26.6|
|||110||10,000|11.5|
|||220|Use 110V relay with 10,000Ω5W Resistor in series|||
|||6||6|335|
|**AC**||12||24|168|
|**Coils**||24||85|84|
|||120||2,250|17.5|
|||240||9,110|8.75|



## **Operate Data @ 25°C** 

## **Must-Operate Voltage:** 

**DC:** 75% or less of nominal voltage. **AC:** 85% or less of nominal voltage. 

## **Operate Time (Excluding Bounce):** 

15 milliseconds typical @ nominal voltage. 

## **Release Time (Excluding Bounce):** 

10 milliseconds typical @ nominal voltage. 

## **Environmental Data** 

**Temperature Range:** 

**Open Models: AC:** -45°C to +70°C. **DC:** -45°C to +85°C. 

**Enclosed Models:  AC:** -45°C to +55°C. 

**DC:** -45°C to +70°C. 

## **Initial Dielectric Strength** 

**Between Open Contacts:** 500V rms. **Between All Elements:** 1,500V rms. 

## **Mechanical Data** 

**Termination: Open Models:** Solder terminals. **Enclosed Models:** Octal-type plug. **Enclosure:** Transparent polycarbonate. **Weight:  KA:** 1.7 oz. (48.2g) approximately. **KRPA, KRP:** 3.0 oz. (85g) approximately. 

Dimensions are in inches over (millimeters) unless otherwise specified. 

Dimensions are shown for reference purposes only. 

Specifications and availability subject to change. 

www.tycoelectronics.com Technical support: 737 Refer to inside back cover. 

Catalog 1308242 PDF Revised 9-03 _P&B_ **Ordering Information Typical Part No.** B **KRPA -5 A Y -120 1. Series:** KRPA (Newer version, enclosed) KRP (Older version, enclosed) KA (Open style) **2. Contact Arrangement:** 5 = 1 Form C (SPDT) 11 = 2 Form C (DPDT) 14 = 3 Form C (3PDT) **3. Coil Input:** A = AC, 50/60 Hz. D = DC **4. Contact Rating and Indicator Lamp Option:** TYPE KRPA KRP KA Codes Y, G, N, Y, G, N, Y, G, Available Y = Silver, no indicator lamp G = Silver-cadmium oxide, no indicator lamp N = Silver-cadmium oxide, with indicator lamp* **5. Coil Voltage:** Up to 240VAC Up to 125VDC * ~~=|~~ Indicator Lamp not available on 25-90V coils. Only 120-240VAC and 110VDC models are UL recognized and CSA certified. **Our authorized distributors are more likely to stock the following items for immediate delivery.** 

KA-5AG-120 KRP-11AN-24 KRPA-5AG-120 KRPA-11AY-240 KRPA-14AY-240 KA-5AY-120 KRP-11AN-120 KRPA-5AY-120 KRPA-11DG-6 KRPA-14DG-12 KA-5DG-6 KRP-11AY-120 KRPA-5DG-6 KRPA-11DG-12 KRPA-14DG-24 KA-5DG-12 KRP-11DG-12 KRPA-5DG-12 KRPA-11DG-24 KRPA-14DG-48 KA-5DG-110 KRP-11DG-24 KRPA-5DG-24 KRPA-11DG-48 KRPA-14DG-110 KA-11AG-120 KRP-11DG-48 KRPA-5DY-12 KRPA-11DG-110 KRPA-14DN-24 KA-11AY-6 KRP-11DG-110 KRPA-5DY-24 KRPA-11DN-12 KRPA-14DY-24 KA-11AY-24 KRP-11DG-125 KRPA-11AG-6 KRPA-11DN-24 KA-11AY-120 KRP-11DN-12 KRPA-11AG-12 KRPA-11DN-110 KA-11DG-12 KRP-11DN-24 KRPA-11AG-24 KRPA-11DY-12 KA-11DG-24 KRP-11DY-24 KRPA-11AG-120 KRPA-11DY-24 KA-11DG-110 KRP-14AG-120 KRPA-11AG-240 KRPA-14AG-12 KA-14AG-120 KRP-14AG-240 KRPA-11AN-12 KRPA-14AG-24 KA-14AY-120 KRP-14AN-120 KRPA-11AN-24 KRPA-14AG-120 KA-14DG-24 KRP-14AY-120 KRPA-11AN-120 KRPA-14AG-240 KA-14DG-110 KRP-14DG-12 KRPA-11AN-240 KRPA-14AN-24 KRP-5AG-120 KRP-14DG-24 KRPA-11AY-6 KRPA-14AN-120 KRP-11AG-24 KRP-14DG-110 KRPA-11AY-12 KRPA-14AN-240 KRP-11AG-120 KRP-14DN-24 KRPA-11AY-24 KRPA-14AY-24 KRP-11AG-240 KRPA-5AG-24 KRPA-11AY-120 KRPA-14AY-120 

Dimensions are in inches over (millimeters) unless otherwise specified. 

Dimensions are shown for reference purposes only. 

Specifications and availability subject to change. 

www.tycoelectronics.com Technical support: Refer to inside back cover. 

738 

## Catalog 1308242 PDF Revised 9-03 _P&B_ KRP-3-H series **20 Amp Small AC or DC Relays** File E22575 ~~3~~ **KRP-3-H Features Coil Data @ 25°C** • 1 Form X (SPST - NO - DM) contact rating of 20A. **See chart on page 105.** • Heavy copper alloy movable contact arms. **Nominal Power:  DC Coils:** 1.2W • Twin silver-cadmium oxide contacts. **AC Coils:** 2.0VA • Many uses in automation controls and other applications requiring high **Initial Insulation Resistance:** 1,000 megohms. current switching. 

## **Contact Data @ 25°C** 

**Arrangement:** 1 Form X (SPST - NO - DM). **Ratings:** UL Rating: 20A @ 120VAC, 3/4 HP @ 120VAC. **Factory Rating:** 20A @ 120VAC, 80% PF; 1 HP @ 120/240VAC. 

**Material:** Twin, silver-cadmium oxide. **Expected Life:** 2.5 million operations min., mechanical. 100,000 operations at rated contact load. 

## **Operate Data @ 25°C** 

**Must-Operate Voltage:  DC:** 75% of nominal voltage. 

**AC:** 85% of nominal voltage. 

**Operate Time:** 15 milliseconds approximate (Excluding Bounce). **Release Time:** 10 milliseconds approximate (Excluding Bounce). 

## **Environmental Data** 

**Temperature Range: Enclosed Models:  AC:** -45°C to +55°C. **DC:** -45°C to +70°C. 

## **Initial Dielectric Strength** 

**Between Open Contacts:** 500V rms, 60 Hz. between all elements. 

## **Mechanical Data** 

**Mounting:** Socket mounting. **Termination:** Octal-type plug. **Enclosure:** Polycarbonate enclosure with octal-type mounting. **Weight:** 2 oz. (57g) approximately. 

**Ordering Information** 

**Typical Part No.** B **KR P -3 D H -12 1. Basic Series:** KR **2. Type:** P = Enclosed (20 amp models available only with Contact Arrangement 3 and Material H.) **3. Contact Arrangement:** 3 = 1 Form X (SPST - NO - DM) **4. Coil Input:** A = AC D = DC **5. Contact Material & Rating:** H = Silver-cadmium oxide, 1/4" (6.35mm) dia., 20 amps. **6. Coil Voltage:** To 240VAC, 50/60 Hz. or 110VDC. ~~=~~ **Our authorized distributors are more likely to stock the following items for immediate delivery.** KRP-3AH-120 KRP-3DH-24 KRP-5AG-120 

Dimensions are in inches over Specifications and availability (millimeters) unless otherwise subject to change. specified. 

Dimensions are shown for reference purposes only. 

www.tycoelectronics.com Technical support: Refer to inside back cover. 

739 

Catalog 1308242 PDF Revised 9-03 

_P&B_ 

## **Outline Dimensions** 

## **KA Series** 

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1.468 MAX.<br>(37.29)<br>.44 1.06 MAX.<br>.25 (11.2) (26.9) 1 STUD<br>(6.4) en 1.92 MAX.(48.8) THREAD#6-32 i a (3.8).15 n (7.92).312<br>(34.93)<br>1.375 MAX.<br>**----- End of picture text -----**<br>


Tolerances on .XX Decimals ± .02 (± .5) Unless Otherwise Specified Tolerances on .XXX Decimals ± .005 (± .13) Unless Otherwise Specified 

## **KR Series Enclosures** 

**Type “P” Clear Dust Cover For KRPA and KRP** 

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1.406 MAX.<br>(35.71)<br>ie<br>7 no}<br>(50.8)<br>2.0 MAX.<br>(35.71)<br>1.406 MAX.<br>**----- End of picture text -----**<br>


**For KRP3-H** 

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1.531 MAX.<br>les (38.89)<br>1 Sy .031<br>(.79)<br>(57.94)<br>2.281 MAX.<br>(35.71)<br>1.406 MAX.<br>**----- End of picture text -----**<br>


**Hold-Down Spring 20C176 KRPA & KRP 20C206 KAP and KRP3** 

Durable stainless steel spring can be moved aside for relay removal or installation. Mounts with same machine screws or rivets that secure socket to chassis. Two .156" (3.96mm) dia. holes required. 

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Wiring Diagrams (Bottom Views)<br>KA KR5 KAP11 KAP14 KRP3AH<br>KAP5 KRP11 KRP14<br>KRP5 KRPA11 KRPA14<br>KRPA5<br>8 1 8 1 11 1 8 1<br>a n 7 Oo 2 7 one 2 10 2 7 5 2<br>9 3<br>6 3 6 3 8 4 6 3<br>00 5 4 28 5 4 7 6 5 | 5 4<br>peo ESS) R OE<br>Dimensions are shown for Dimensions are in inches over Specifications and availability<br>reference purposes only. (millimeters) unless otherwise subject to change.<br>specified.<br>**----- End of picture text -----**<br>


www.tycoelectronics.com Technical support: Refer to inside back cover. 

740 

Catalog 1308242 PDF Revised 9-03 

_P&B_ 

## **Sockets For KRP, KRPA Series Relays** 

The following sockets are normally maintained in stock for immediate delivery. 

## **Screw Terminal, DIN Rail Snap-Mount Sockets** 

## **(Use with mounting track 24A110)** 

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27E891 Terminal 27E892 Terminal<br>10A, 300VAC Location 10A, 300VAC Location<br>1.295 Top View Top View<br>(32.89) 2.060<br>2 1 8 7 (52.32)<br>1 11<br>1.005 2 10<br>(25.53) (25.84)1.018 3 9<br>(al e x 7 2.010 i ry nas ¢<br>2.035<br>(51.05)<br>E O S .165 (51.69) “Be<br>(4.19) aes .165 C K<br>elgielel DIA.TYP. 3 4 5 6 j@| So0° [8] DIA.TYP(4.19) 4 5 6 7 8<br>.312 TYP. .580 .312 TYP. .580<br>—| (7.92) 1 (14.73) L bd dd Se (7.92) SoH al f | (14.73) - ONG<br>2.332 .770<br>1.575 (59.22) (19.56)<br>(40.01)<br>= Sel 1<br>.970<br>.970 (24.64)<br>(24.64)<br>— _ qa ee el<br>**----- End of picture text -----**<br>


Sockets have M3.5 screw terminals which accept up to two #12 AWG wires. Rated 10 amps @ 300VAC and meets UL 94V-0. 

## **Screw Terminal Sockets** 

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27E122 27E123<br>10A, 300VAC 10A, 300VAC<br>8-pin 11-pin<br>1.296<br>(32.92) 2.060<br>o O ee (52.32)<br>.648 .062 1.030<br>(16.46) (1.57) (26.16)<br>ao “Tr < ><br>1.296<br>(32.92) .156 DIA. TYP.<br>.648<br>2.385 MAX. (16.46) (3.96) .062<br>(60.58) (1.57)<br>1.188<br>(30.18) .093 2.385 MAX.<br>(60.58)<br>(2.36)<br>.781 ¢ .210 TYP. + +<br>(19.84) (5.33) 1.188<br>1.572 MAX. (30.18)<br>(39.93)<br>Y CAPTIVE WASHERS= 6-32 SCREWS & [ (29.36)1.156 ¢ \ (2.36).093 ¥ oe .210 TYP(5.33)<br>.925 MAX. 2.322 MAX. = 6-32 SCREWS &<br>(58.98) CAPTIVE WASHERS<br>(23.50)<br>¢ .925 MAX.<br>(23.50)<br>Terminal  6 5 4 3<br>Location<br>Terminal 8 7 6 5 4<br>WD Location =<br>: Wy<br>7 8 1 2<br>ah AR.<br>9 10 11 1 2 3<br>(3.96)<br>.156 TYP.<br>(3.96)<br>.156 TYP.<br>**----- End of picture text -----**<br>


Dimensions are in inches over (millimeters) unless otherwise specified. 

Dimensions are shown for reference purposes only. 

Specifications and availability subject to change. 

www.tycoelectronics.com Technical support: Refer to inside back cover. 

741