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POTTER & BRUMFIELD

KUH and KUHP SERIES POWER RELAYS


A division of:
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Siemens Electromechanical Components, Inc.




Relay Image
POTTER & BRUMFIELD 
KUH series

30 AMP POWER RELAY

File E22575
File LR15734-123





FEATURES
· AC coils 6-277VAC 50/60 Hz.,  DC 6-110VDC.
· Contact arrangement up to DPDT.
· .250" combination push-on-/solder terminals or PC terminals.
· Side flange and top flange mounting.
· 6-32 stud or tapped core mount (open models).
· Designed to meet VDE space requirements.
· Class B coil insulation.


CONTACT DATA @ 25degree C:
Arrangements:  1 Form C (SPDT) and  2 Form C (DPDT).
Material:      Silver or silver-cadmium oxide.
Expected Mechanical Life: 10 million operations.


CONTACT RATINGS:
Contact           UL/CSA Ratings              Expected
Arrangement                                   Life

1 Form C          30A 120/240VAC              100,000
Single Pole       1HP @ 120VAC,               ops.
Double Throw      1 1/2HP @ 240VAC
                  25A @ 28VDC

2 Form C          20A @ 120/240VAC            100,000
Double Pole       3/4HP @ 120VAC              ops.
Double Throw      1 1/2HP @ 240VAC
                  20A @ 28VDC
                  7A @ 120VAC (Tungsten)



COIL DATA @ 25 Degree C:
Voltage:    From 6 to 110VDC, and 6 to 277VAC. 
Nom. Power: DC coils: - 1.2 watts.
            AC coils: - 2.7VA.
Duty Cycle: Continuous.
Initial Insulation Resistance: 100 megohms, minimum.
Insulation: Class B, 130C.


COIL DATA:
                              DC                Must        Nominal
            Nominal           Resistance        Operate     Coil
            Voltage           in Ohms           Voltage     Current
                              +/-10%*                       (ma)

             6                   32.1             4.5       187
DC          12                  120               9.0       100
Coils       24                  472              18.0        51
            48                1,800              36.0        26.7
           110               10,000              82.5        11

             6                    4.2             5.1       460
            12                   18              10.2       230
AC          24                   72              20.4       115
Coils      120                1,700             102.0        24
           240                7,200             204.0        12
           277               10,250             235.5         9


OPERATE DATA @ 25 degree C:
Must-Operate Voltage: 
  DC: 75% of nominal.
  AC: 85% of nominal.
Operate Time (Excluding Bounce): 20 milliseconds, typical,
                                 at nominal voltage.
Release Time (Excluding Bounce): 20 milliseconds, typical,
                                 at nominal voltage.


ENVIRONMENTAL DATA:
Temperature Range:  
  Operating: DC Coils:
    Open: -45C to +85C
    Enclosed: -45C to +70C
  Operating: AC Coils:
    Open: -45C to +60C
    Enclosed: -45C to +45C
Shock: 15Gs, 11ms (non-operating)
Vibration: .065" double amplitude, 10-55Hz.


MECHANICAL DATA:
Termination:  .250" quick connect/solder; and PC board.
Insulating Material: Polycarbonate dust cover.
Weight:    3.2 oz. (92g) approximately.


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


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