UL CSA VDE
Pending Pending Pending
UNIQUELY DESIGNED RELAY K-RELAYS
FEATURES
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19 |
a |
.748 |
•100 times more reliable than similar designs
•Extra long life — Mechanical: more than 10 8 operations
Electrical (1 A 30 V): more than 106 operations
• Versatile range for all applications
30
1.181
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a |
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K2EB |
23.6 |
0.929 |
mm inch |
K4EB |
29.4 |
1.157 |
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K6EB |
34.8 |
1.370 |
Sealed construction
Epoxy sealing resin
Plastic header |
Amber plastic cover
Gold-clad bifurcated contacts
Low and stable contact resistance Low level current switching possible
Gold-clad stationary |
Highly reliable |
contact |
bifurcated contacts |
Silver |
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Silver |
Nickel silver |
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Gold-clad |
contact arm |
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movable contact |
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SPECIFICATIONS
Contacts
Arrangement |
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2, 4, 6 Form C |
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Max. switching |
50 W, 100 VA |
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power |
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Rating |
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Max. switching |
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(resistive |
220 V AC DC |
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voltage |
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load) |
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Max. switching |
2A |
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current |
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Expected |
Mechanical |
108 |
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life (min. |
Electrical |
106 |
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operations) |
(1 A 100 V AC) |
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Contact |
Movable contact |
Gold-clad silver |
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material |
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(Bifurcated |
Stationary contact |
Gold-clad silver |
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contacts) |
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Initial contact resistance, max. |
50 mΩ |
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(By voltage drop 6 V DC 1 A) |
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Capacitance |
Contact/Contact |
3 pF |
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Contact/Ground |
5 pF |
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Characteristics (at 20°C 68°F, 50% R.H.)
Max. operating speed |
50 cps. |
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Initial insulation resistance |
Min. 1,000 MΩ at 500 V DC |
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Between open contacts, |
750 Vrms |
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Initial |
contact sets |
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break- |
Between live parts and |
750 Vrms |
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down |
ground |
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voltage |
Between contacts and |
750 Vrms |
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coil |
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Operate time*1 |
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Approx. 15 ms |
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(at nominal voltage) |
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Release time*1 |
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Approx. 5 ms |
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(at nominal voltage) |
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Vibration resistance |
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98 m/s2 {10 G}, 10 to 55 Hz at |
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double amplitude of 1.6 mm |
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Shock resistance |
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98 m/s2 {10 G} |
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Conditions for |
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Ambient |
2C, 4C: –40°C to +60°C –40°F to +140°F |
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operation, trans- |
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tempera- |
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6C: –40°C to +40°C –40°F to +104°F |
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port and storage |
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ture*2 |
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(Not freezing and |
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condensing at low |
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Humidity |
5 to 85% R.H. |
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temperature) |
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Ambient pressure |
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101, 325 Pa ±20% |
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{1,013 mb ±20%} |
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Unit weight (approx.) |
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K2EB: 23 g .81 oz, K4EB: 27 g .95 oz, |
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K6EB: 30 g 1.06 oz |
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*1 Excluding contact bounce time
*2 Total temperature (temperature rise in coil plus ambient temperature) should be kept less than max. 115°C 221°F
203
K
ORDERING INFORMATION
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Ex. K |
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EB |
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P |
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24V |
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Contact arrangement |
Type classigication |
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Terminal |
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Coil (DC) |
Sensitivity |
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2: 2 Form C |
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Nil: Plug-in, solder |
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Nil: High sensitivity relays |
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EB: Amber sealed type |
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terminal |
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3 to 110 V |
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4: 4 Form C |
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1: Ordinary sensitive |
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P: PC board |
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6: 6 Form C |
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relays |
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terminal |
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(Notes) 1. Other coil and contact specifications are available on request for orders of more than 1,000 pcs. (Notes) 1. Please state: Required coil resistance Gold clad/Gold clad contacts
(Notes) 2. For UL/CSA or VDE recognized types, and suffix UL/CSA or VDE. (Notes) 3. Standard packing Carton: 20 pcs. Case: 200 pcs.
TYPICAL APPLICATIONS
Typical applications include:
Systems and equipment requiring higher reliability, Severe environmental uses, Alarm devices, Office machines, Telecommunication equipment, Pollution control equipment
TYPES AND COIL DATA
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Part No. |
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Coil voltage (V) |
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Inductance (H) |
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Coil |
Nominal |
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Pick-up |
Drop-out |
Max. |
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Armature |
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Nominal |
allowable |
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resistance* |
coil power |
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Plug-in and Solder |
For PC board |
(DC) |
(max. at |
(min. at |
voltage, |
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(Ω at 20°C) |
(mW) |
Closed |
Open |
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20°C) |
20°C) |
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(at 40°C) |
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K2EB-3V-1 |
K2EBP-3V-1 |
3 |
1.8 |
0.27 |
6.7 |
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28 |
320 |
0.52 |
0.26 |
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K2EB-6V-1 |
K2EBP-6V-1 |
6 |
3.9 |
0.58 |
12.0 |
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110 |
330 |
2.1 |
1.1 |
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K2EB-12V-1 |
K2EBP-12V-1 |
12 |
8.0 |
1.2 |
30.0 |
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530 |
270 |
11 |
5.6 |
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2 Form C |
K2EB-24V-1 |
K2EBP-24V-1 |
24 |
16.5 |
2.5 |
47.0 |
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1,700 |
340 |
35 |
18 |
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K2EB-42V-1 |
K2EBP-42V-1 |
42 |
30.0 |
4.5 |
72.0 |
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5,300 |
333 |
95 |
48 |
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K2EB-48V-1 |
K2EBP-48V-1 |
48 |
39.0 |
5.9 |
100.0 |
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7,600 |
300 |
120 |
62 |
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K2EB-110V-1 |
K2EBP-110V-1 |
110 |
60.0 |
9.0 |
180.0 |
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16,000 |
760 |
270 |
138 |
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K4EB-3V-1 |
K4EBP-3V-1 |
3 |
2.3 |
0.35 |
5.0 |
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18 |
500 |
0.36 |
0.18 |
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K4EB-6V-1 |
K4EBP-6V-1 |
6 |
4.2 |
0.63 |
9.0 |
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58 |
620 |
1.0 |
0.5 |
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K4EB-12V-1 |
K4EBP-12V-1 |
12 |
8.7 |
1.3 |
18.5 |
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250 |
580 |
5.2 |
2.6 |
4 Form C |
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K4EB-24V-1 |
K4EBP-24V-1 |
24 |
18.0 |
2.7 |
35.0 |
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890 |
650 |
15 |
7.5 |
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K4EB-28V-1 |
K4EBP-28V-1 |
28 |
19.0 |
2.85 |
33.0 |
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1,100 |
713 |
20 |
11 |
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K4EB-48V-1 |
K4EBP-48V-1 |
48 |
36.0 |
5.4 |
64.0 |
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3,200 |
720 |
54 |
28 |
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K4EB-110V-1 |
K4EBP-110V-1 |
110 |
85.0 |
12.8 |
160.0 |
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16,000 |
760 |
270 |
138 |
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K6EB-6V |
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6 |
4.2 |
0.63 |
6.6 |
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28 |
1,286 |
0.52 |
0.26 |
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K6EB-12V |
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12 |
8.4 |
1.26 |
13.2 |
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110 |
1,309 |
2.1 |
1.1 |
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6 Form C |
K6EB-24V |
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24 |
16.8 |
2.52 |
26.4 |
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440 |
1,309 |
8.3 |
4.2 |
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K6EB-48V |
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48 |
33.6 |
5.04 |
52.8 |
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1,700 |
1,355 |
35 |
18 |
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K6EB-60V |
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60 |
42.0 |
6.3 |
66.0 |
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2,800 |
1,286 |
44 |
23 |
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K6EB-110V |
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110 |
77.0 |
11.55 |
121.0 |
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10,000 |
1,210 |
164 |
84 |
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* Less than 1,000 Ω: ±10% |
More than 1,000 Ω: ±15% |
REFERENCE DATA
1. Life curve
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30 V DC |
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2,000 |
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1,000 |
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×10 |
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operationsofNo. |
100 |
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= 7 ms |
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1 |
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Current, A |
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2. Coil temperature rise (resistance method)
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80 |
°C |
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rise, |
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temperature |
60 |
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Coil |
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20 |
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0.5 |
1.0 |
1.5 |
2.0 |
Operating power, W
3. H2S gas test (1,000 ppm)
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400 |
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mΩ |
300 |
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200 |
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resistance, |
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100 |
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Contact |
50 |
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40 |
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Sealed KE relay (Au/Ag contact) |
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30 |
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0 |
8 |
16 |
24 |
32 |
40 |
48 |
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Exposure time, hrs. |
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204