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Distributors for
POTTER & BRUMFIELD

KH, KHA, and KHAU
GENERAL PURPOSE RELAYS


A division of:
Logo
Siemens Electromechanical Components, Inc.




Relay Image
POTTER & BRUMFIELD 
KHA series

GENERAL PURPOSE 
DRY CIRCUIT TO 5A 
MULTICONTACT 
AC OR DC RELAY

File E22575
File LR15734





FEATURES

 Miniature size from 2 pole to 4 pole. A 5 pole version is available 
as a special order.
 KHS hermetically sealed version UL Approved for Class 1 Division 2
hazardous locations.
 Various applications include process control, photocopier, and 
data processing.
 Low cost, semiautomated construction.


CONTACT DATA @ 25degree C:
Arrangements:   2 Form C (DPDT), 4 Form C (4PDT).
Expected Life: 10 million operations, mechanical; 100,000 operations min.
               at rated loads. Ratings are based on tests of relays with
               ungrounded frames.
Initial Breakdown Voltage: 500V rms, 60 Hz., between open contacts.
                           1240V rms, 60 Hz., between all other elements.


CONTACT RATINGS:
Contact                                Resistive Rating
Code     Material                  Minimum          Maximum

1        Silver                    100mA @          3A @   
                                   12VAC/12VDC      120VAC/28VDC

2*       Silver-cadmium            500mA @          5A @
         oxide                     12VAC/12VDC      120VAC/28VDC

3        Gold-silver-nickel        10mA @           2A @
                                   12VAC/12VDC      120VAC/28VDC

4        Palladium                 100mA @          3A @
                                   12VAC/12VDC      120VAC/28VDC

5        Silver alloy              500mA @          3A @
                                   12VAC/12VDC      120VAC/28VDC

6        Bifurcated cross bar,     Dry circuit      1A @
         gold overlay silver                        120VAC/28VDC           
                      
8        Gold diffused silver      50ma @           3A @
                                   12VAC/12VDC      120VAC/28VDC          

Note: Relays should only carry a maximum of 15 amps continuously for all poles combined. KHS hermetically sealed version maximum rating is 5A @ 120VAC/28VDC.



Coil Data @ 25 degree C:
Voltage: From 6 to 120V DC, and 6 to 240V AC, 50/60 Hz.
Nom. Power: DC coils - 0.9 watt; 0.5 watt minimum operate @ 25degree C.
            AC coils - 1.2 VA; 0.55 VA minimum operate @ 25 degree C. 
Max. Power: DC coils - 2.0 watts @ 25 degree C.
Duty Cycle: Continuous.
Initial Breakdown Voltage: 500V rms, 60 Hz.



COIL DATA:
|               DC Coils                      |         AC Coils           |

                Resistance      Nominal         Resistance      Nominal 
Nominal         in Ohms         Inductance      in Ohms         AC Current
Voltage         +/-10% @        in Henrys       +/-15%          in mA
                25 degree C

  5                32             .072
  6                40             .08              10.5         200   
 12               160             .28              43           100   
 24               650            1.0              160            52   
 48             2,600            4.5              668            25   
 90             9,000           13.5
 110*          11,000           17.0
 120*          13,500           --              3,900            11.0 
 240                                           12,000             6.0 

*Note: For 220 and 240VDC, use series dropping 5W resistor of 11,000 ohm.



OPERATE DATA @ 25 degree C:
Must-Operate Voltage: DC: 75% of nominal voltage.
                      AC: 85% of nominal voltage.
Operate Time: 13 milliseconds typical @ nominal voltage (excluding bounce).
            
Release Time:  6 milliseconds typical @ nominal voltage (excluding bounce).


ENVIRONMENTAL DATA:
Temperature Range: -45 degree C to +70 degree C operate. 
                   -60 degree C to +130 degree C storage.


MECHANICAL DATA:
Mountings: #3-48 stud, sockets with printed circuit or solder terminals,
           or bracket plate with #6-32 threaded stud.
Termination: Printed circuit or solder/socket terminals.
             Printed circuit terminals are available for KHS on a special
             order basis.
Insulating Material: Molded high-dielectric material.
Enclosures: See Ordering Information table.
            Cover colors are available in black, red, blue, yellow and
            green by special order.
Weight: 1.6 oz. approx. (45 g)


OUTLINE DIMENSIONS and SOCKET INFORMATION
(approx. 83 & 95K .gifs @ 750 pixels wide).

BUILD YOUR OWN PART NUMBER:
A 75K graphic (GIF) of Ordering Information.
This information will 'build' a part number from a list of available specifications.



© 1997 Potter & Brumfield Products Division,
Siemens Electromechanical Components Inc.


Bullet POWER RELAYS:
KUHP, S86/87, PM, PRD
Bullet SOLID STATE RELAYS:
SSRT, SSR, SSRD, SSRQ
Bullet SOLID STATE MODULES:
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Bullet TIME DELAY RELAYS:
CND, CNT, CNS, CNM5
Bullet GENERAL PURPOSE:
R10, KH, KHA, KHAU
Bullet GENERAL PURPOSE:
KRP, KRPA, KR-E, KR-3-H, KA
Bullet GENERAL PURPOSE:
KUP, KUEP, KUIP, KUGP, KUMP, KUP93
Bullet VOLT/CURRENT SENSORS:
CS, SDAS-01
Bullet CIRCUIT BREAKERS
W28, W58
Bullet HOME PAGE Bullet POTTER BRUMFIELD MENU  

Logo Call: 414-327-1555
Fax : 414-327-0577
Email: iebyross@yahoo.com
Catalog, Quote, Availability.


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