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KHA series
General Purpose Dry Circuit to 5A Multicontact AC or DC Relay
File E22575 File LR15734
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.
Coil Data @ 25C
Voltage: From 6 to 120VDC, and 6 to 240VAC, 50/60 Hz. Nom. Power: DC coils - 0.9 watt; 0.5 watt minimum operate @ 25C. AC coils - 1.2 VA; 0.55 VA minimum operate @ 25C. Max. Power: DC coils - 2.0 watts @ 25C. Duty Cycle: Continuous. Initial Breakdown Voltage: 500V rms, 60 Hz.
Coil Data
DC Coils AC Coils
Nominal Voltage
Contact Data @ 25C
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. 5 6 12 24 48 110 * 120 * 240
Resistance in Ohms 10% @ 250C 32 40 160 650 2,600 11,000 -- --
Nominal Inductance in Henrys .072 .08 .28 1.0 4.5 17.0 -- --
Resistance in Ohms
15%
Nominal AC Current in mA -- 200 100 52 25 -- 11.0 6.0
-- 10.5 43 160 668 -- 3,900 12,000
*Note: For 220 and 240VDC, use series dropping 5W resistor of 11,000.
Contact Ratings
Contact Code 1 2* 3 6 8 Resistive Rating Material Silver Silver-cadmium oxide Gold-silver-nickel Bifurcated cross bar, gold overlay silver Gold diffused silver Minimum 100mA @ 12VAC/12VDC 500mA @ 12VAC/12VDC 10mA @ 12VAC/12VDC Dry circuit 50mA @ 12VAC/12VDC Maximum 3A @ 120VAC/28VDC 5A @ 120VAC/28VDC 2A @ 120VAC/28VDC 1A @ 120VAC/28VDC 3A @ 120VAC/28VDC
Operate Data @ 25C
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: -45C to +70C operate. -60C to +130C storage.
Note: Relays should only carry a maximum of 15 amps continuously for all poles combined.
Mechanical Data
KHS Contact Ratings Class I Division II Hazardous Location: 5A@28VDC/120VAC UL 508 (Industrial Control): 3A@28VDC/120VAC; 1/10 HP @ 120VAC. 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).
Ordering Information
Typical Part No.
1. Basic Series: (See Note 1) 2. Type: E = Printed circuit terminals, nylon dust cover, contacts rated opposite polarity (UL & CSA). S = Solder terminals, hermetically sealed steel case (UL & CSA). Note: Do not ground KHS frame without consulting factory for load levels. (Order as KHS, not KHAS.) U = Solder terminals, clear polycarbonate dust cover, contacts rated same polarity (UL & CSA). 3. Contact Arrangement: 11 = 2 Form C (DPDT) 17 = 4 Form C (4PDT) 4. Operating Coil: A = AC D = DC 5. Mounting and Termination: 1 = Socket mount, solder terminals on S, U types; printed circuit terminals on E types. 6. Contact Material: Relay Type Available Codes E 1, 2, 3, 6, 8 S 1*, 2*, 3 U 1, 2, 6, 8 8 = Gold diffused silver.
B
KHA
U
-17
A
1
1
B
-24
*UL Rated 1/10 HP, 3A, 120VAC when used with mounting & termination 1. 1 = Silver. 2 = Silver-cadmium oxide. 7. Options Available: Relay Type E S None U N B H L M 3 = Gold-silver-nickel. 6 = Bifurcated crossbar, gold overlay silver.
Available Codes B (DPDT only)
B = Push to test button. N = Neon indicator. Only available with 120VAC or 110VDC coils. Not available with mounting & termination 4 or 8. H = Neon indicator and push to test button. Only available with 120VAC or DC coils. Not available with mounting & termination 4 or 8. L = LED indicator. Only available with 6-48VDC coils. M = LED indicator and push-to-test button. Only available with 6-48VDC coils. 8. Coil Voltage: 6, 12, 24, 48, 120, 240**VAC 6, 12, 24, 48, 110VDC
**240VAC coil is not available on KHS type relays.
Note 1: Some KHA models available in KH construction. Specify KH instead of KHA.
Stock Items - The following items are normally maintained in stock for immediate delivery.
KHAE-17D12-24 KHAU-11A11-120 KHAU-11D11-24 KHAU-17A11-12 KHAU-17A11-24 KHAU-17A11-120 KHAU-17A11N-120 KHAU-17A12-120 KHAU-17A13-120 KHAU-17A16-24 KHAU-17A16-120 KHAU-17A18-120 KHAU-17D11-6 KHAU-17D11-12 KHAU-17D11-24 KHAU-17D11-48 KHAU-17D11-110 KHAU-17D12-12 KHAU-17D12-24 KHAU-17D12-48 KHAU-17D12-110 KHAU-17D16-12 KHAU-17D16-24 KHS-17A11-24 KHS-17A11-120 KHS-17A12-120 KHS-17D11-12 KHS-17D11-24 KHS-17D11-48 KHS-17D11-110 KHS-17D12-12 KHS-17D12-24
Outline Dimensions
Mounting Code 1 - KHAU only.
2 & 4 Pole
.25 (6.4)
#3-48 THREAD
Mounting Code 1 - KHS only.
.859 MAX. (21.82) .750 (19.05) 123 567 .022 (.56) 4 8 #3-48 THREAD
2 & 4 Pole
.250 + .015 (6.35 .38) .022 REF (.56) .910 MAX. (23.11) .45 REF . (11.4)
9 10 11 12 1.109 MAX. (28.17)
1.156 MAX. (29.36)
.000 - .010 (.00 - .25) 1.281 MAX. (32.54)
.168 (4.27) .312 (7 .92) .265 (6.73) .525 (13.34)
.263 (6.68) .421 (10.69)
1.281 MAX. (32.54) .312 + .031 (7 .79) .92
Class 1 Div. 2 Group A, B, C & D Hazards
.281 REF . (7 .14) .525 REF . (13.34)
.263 REF . (6.68)
PC terminal models have rivet, not stud. Max. seated height in 27E006 socket is 1.37" (34.8mm).
Mounting Code 1 - Neon Indicator, Push-To-Test.
.797 .020 (20.24 .51) .250 (6.35) .040 .010 (1.02 .25) .859 MAX. (21.82) .750 (19.05) .168 020 (4.27 .51)
Printed Circuit Terminals
.125 DIA. (3.18)
.313 (7 .95)
.022 .015 (.56 .38)
#3-48 THREAD .265 .046 (6.73 1.17) .219 (5.56) 1.281 MAX. (32.54) 1.600 MAX WITH INDICATOR LAMP (38.10)
9 10 11 12
.168 (4.27)
1.109 MAX. (28.17)
123 567
4 8
.052 REF . (1.32) .112 (2.84)
.050 DIA. TYPICAL (1.27) .15 (3.81)
.047 REF . (1.19)
.312 .031 (7 .79) .92
.263 (6.68)
.421 .046 (10.69 1.17) .525 (13.34)
Printed circuit terminal thickness .022 (.558) .200 (5.08) terminal length available on special order
.180 DIA. BOSSES (4.57)
Wiring Diagrams (Bottom Views)
2 Pole 4 Pole
1 5 9 14 13 2 6 10 3 7 11 4 8 12 14
1 5 9 13
4 8 12
+
-
+
-
+ = Polarity for LED indicator.
PC Board Layout (Bottom View)
.160 (4.06) .410 (10.41) .660 (16.76) 14 PLACES .070 DIA. (1.78) .175 (4.45) .525 (13.34) .350 (8.89)
For KHAE Relays with PC terminals and sockets with PC terminals
Sockets For KHA And KHS Series
All sockets are normally maintained in stock for immediate delivery. For KHAU, KHAX, KHS Relays. Relays wilth solder terminals are required for use with sockets.
4-Pole Socket
.068 (1.73)
Socket Description
Industrial Part No. 27E006* 27E007* 27E023* 27E220* 27E166** 27E894** 20C217 20C297 No. of Poles 4 4 4 2 4 4 Terminal and Length Solder .375" (9.53mm) P.C. .218" (5.54mm) P.C. .218" (5.54mm) Screw Screw Grounding Provision Yes Yes No Yes No Socket Material Nylon Nylon Nylon Glass-filled Polyester Glass-filled Polyester
.850 (21.59)
.183 (4.65)
1.150 (29.21)
.012 (0.30) .310 (7 .87) .440 (11.18)
1.07 (2.72)
Relay Hold Down Spring Relay Hold Down Spring (use with 27E166 & 27E894)
Recommended Chassis Cutouts For Mounting Sockets
.858 (21.79)
Recommended Chassis Thickness .031 (.79) to .062 (1.57)
* UL Recognized, file E22575 ** UL Recognized, file E59244
Pierced Solder Terminals
Mounting Strip 37D633
.629 (15.98) 1.323 (33.60) 1.388 (35.26) 1.388 (35.26) .090 R. (2.29)
1.015 (25.78)
Socket punch Greenlee part 5015115.0, Type 731R available from Greenlee Tool Co., Rockford, Illinois. (4-pole)
.125 .010 (3.18 0.25)
.25 (6.4)
.617 (15.67)
Printed Circuit Terminals
With Grounding Lug
.090 (2.29)
.105 (2.67) .052 .010 (1.32 0.25)
GROUND LUG
1.750 (44.45) 1.015 (25.78)
.171 (4.34) .218 .016 (5.54 0.41) .061 (1.55) GROUND LUG
.429 (10.90)
.858 (21.79) .13 (3.3)
.16 .180 (4.1) (4.57) .065 .32 (1.65) (8.1)
Without Grounding Lug
.171 (4.34) .218 .016 (5.54 0.41) .061 (1.55)
37D633 will mount eight solder terminal sockets in one length of aluminum strip measuring 10.97" x 2.25" x .062 (278.6 x 57.15 x 1.57)
Screw Terminal Socket 27E166
Relays with solder terminals are required for use with screw terminal sockets.
.94 .800 MAX. (23.88) (20.32) 1.18 (30.0)
2.363 MAX. (60.02)
Screw Terminal DIN Rail, Snap-Mount Socket 27E894
(Use with mounting track 24A110)
1.181 (30.00) .236 (5.99) M3 SCREWS & CAPTIVE WASHERS .709 (18.01)
.47 (11.93)
.446 REF . (11.33)
.165 (4.19) 2.441 (62.00)
1.771 (44.98)
.140 TYP . (3.56)
Caution: Printed circuit sockets are manufactured with "floating" (Loose) terminals. This permits them to align with holes in the circuit board and with the relay terminals. During the mounting and soldering of the socket, vertical float should be eliminated and the terminals seated on the board. (This may be accomplished by inserting a dummy relay in the socket.) Failure to eliminate float may cause fracture of the solder joint or separation of the copper conductor from the printed circuit board when a relay is inserted in the socket after soldering.
.210 TYP . (5.33) # 4-40 SCREWS & CAPTIVE WASHERS .600 (15.24) 1.22 MAX. (30.99)
.118 (3.00)
1.024 (26.01)
.984 (24.99)
.728 (18.49)
Hold Down Spring 20C217
27E166 Terminal Location
8 4 7 32 6 1 5
27E894 Terminal Location
87 43 65 21
14
13
14
G
13
12
12 11 10
9
11 10
9
Top View
Top View
Tyco Electronics Corporation - P&B, Winston-Salem, NC 27102 Technical Support Center: 1-800-522-6752, www.pandbrelays.com Specifications and availability subject to change without notice. 13C5420 Printed in U.S.A. IH/3-00

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