Coil Data @ 25°C
Voltage: From 6 to 120VDC, and 6 to 240VAC, 50/60 Hz.
Nom. Power: DC coils - 0.9 watt; 0.5 watt minimum operate @ 25°C.
AC coils - 1.2 VA; 0.55 VA minimum operate @ 25°C.
Max. Power: DC coils - 2.0 watts @ 25°C.
Duty Cycle: Continuous.
Initial Breakdown Voltage: 500V rms, 60 Hz.
Operate Data @ 25°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°C to +70°C operate.
-60°C to +130°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.
Enclosures: See Ordering Information table.
Weight: 1.6 oz. approx. (45g).
File E22575
File LR15734
KHA series
General Purpose
Dry Circuit to 5A
Multicontact
AC or DC Relay
KHS KHAU
Features
• Miniature size from 2 pole to 4 pole.
• KHAU is produced on an automated line, while KHU is produced
manually. Form, fit and function of the two versions are identical.
• KHS hermetically sealed version UL Approved for Class 1 Division 2
hazardous locations.
• Various applications include process control, photocopier, and data
processing.
• Push-to-test and inidcator options available.
• Various contact materials available for specific load requirements.
Contact Data @ 25°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
Resistive Rating
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
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 Contact Ratings
Class I Division II Hazardous Location:
5A@28VDC/120VAC
UL 508 (Industrial Control):
3A@28VDC/120VAC; 1/10 HP @ 120VAC.
Contact
Code
Material
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
0
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
110 * 11,000 17.0 — —
120 * — — 3,900 11.0
240 — — 12,000 6.0
*Note: For 220 and 240VDC, use series dropping 5W resistor of 11,000Ω.
