UNIQUELY DESIGNED RELAY WITH HIGH SENSITIVITY K-RELAYS.0 a UL File No.: E3 CSA File No.: LR2550.0.8 00 times more reliable than similar designs Extra long life Mechanical: more than 0 8 operations Electrical ( A V): more than 0 operations Versatile range for all applications K2E KE KE a 23. 0.2 2..57 3.8.370 Sealed construction Epoxy sealing resin Plastic header Gold-clad bifurcated contacts Low and stable contact resistance Low level current switching possible Gold-clad stationary contact Silver Highly reliable bifurcated contacts Amber plastic cover Silver Gold-clad movable contact Nickel silver contact arm SPECIFICATIONS Contacts Arrangement Rating (resistive load) Expected life (min. operations) Contact material (Bifurcated contacts) Max. switching power Max. switching voltage Max. switching current Mechanical Electrical ( A 00 V AC) Movable contact Stationary contact Initial contact resistance, max. (By voltage drop V DC A) Capacitance Contact/Contact Contact/Ground Characteristics (at C 8 F, 50% R.H.) 2,, m C Max. operating speed 50 cps. 50 W, 00 VA Initial insulation resistance Min.,000 MΩ at 500 V DC 2 V AC DC Between open contacts, Initial contact sets 2A breakdown and ground Between live parts 0 8 voltage Between contacts and coil 0 Operate time* (at nominal voltage) Approx. 5 ms Gold-clad silver Release time* (at nominal voltage) Approx. 5 ms 8 m/s 2 {0 G}, 0 to 55 Hz at Vibration resistance double amplitude of. mm Gold-clad silver Shock resistance 8 m/s 2 {0 G} 50 mω Ambient 2C, C: 0 C to +0 C 0 F to +0 F temperature* C: 0 C to +0 C 0 F to +0 F 3 pf 5 pf Conditions for operation, transport and storage (Not freezing and condensing at low temperature) Humidity 5 to 85% R.H. Ambient pressure 0, 325 Pa ±% {,03 mb ±%} K2E: 23 g.8 oz, KE: 27 g.5 oz, Unit weight (approx.) KE: g.0 oz * Excluding contact bounce time * 2 Total temperature (temperature rise in coil plus ambient temperature) * 2 should be kept less than max. 5 C 22 F 22
ORDERING INFORMATION Ex. K 2 E P 2V K Contact arrangement Type classigication Terminal Coil (DC) Sensitivity 2: 2 m C : m C : m C E: Amber sealed type Nil: Plug-in, solder terminal P: PC board terminal 3 to 0 V (Notes). Other coil and contact specifications are available on request for orders of more than,000 pcs. (Notes). Please state: Required coil resistance Gold clad/gold clad contacts (Notes) 2. UL/CSA or VDE recognized types, and suffix UL/CSA or VDE. (Notes) 3. Standard packing Carton: pcs. Case: 0 pcs. TYPICAL APPLICATIONS Typical applications include: Systems and equipment requiring higher reliability, Severe environmental uses, Alarm devices, Office machines, Telecommunication equipment, Pollution control equipment Nil: High sensitivity relays : Ordinary sensitive relays TYPES AND COIL DATA 2 m C m C m C Plug-in and Solder Part No. K2E-3V- K2E-V- K2E-2V- K2E-2V- K2E-2V- K2E-8V- K2E-0V- KE-3V- KE-V- KE-2V- KE-2V- KE-V- KE-8V- KE-0V- KE-V KE-2V KE-2V KE-8V KE-0V KE-0V PC board K2EP-3V- K2EP-V- K2EP-2V- K2EP-2V- K2EP-2V- K2EP-8V- K2EP-0V- K2EP-3V- K2EP-V- K2EP-2V- K2EP-2V- K2EP-V- K2EP-8V- K2EP-0V- Nominal (DC) 3 2 2 2 8 0 3 2 2 8 0 2 2 8 0 0 Coil voltage (V) Pick-up (max. at C).8 3. 8.0.5.0 3.0 0.0 2.3.2 8.7 8.0.0 3.0 85.0.2 8..8 33. 2.0 77.0 Drop-out (min. at C) 0.27 0.58.2.5 5..0 0. 0.3.3 2.85 5. 2.8 0.3.2 2 5.0.3.55 Max. allowable voltage, (at 0 C).7 2.0.0 7.0 72.0 00.0 80.0 5.0.0.0 33.0.0 0.0. 3.2 2. 52.8.0 2.0 Coil resistance* (Ω at C) 0 5,700 5,0 7,00,000 8 58 250 80,00 3,0,000 0 0,700 2,800 0,000 Nominal coil power (mw) 3 3 30 333 0 70 500 580 50 73 7 70,,,,5,, Inductance (H) Armature Closed 0.52 2. 5 0.3.0 5 5 0.52 2. 8.3 Open 0.2. 5. 8 8 2 38 0.5 2. 7.5 38 0.2..2 8 23 8 * Less than,000 Ω: ±0% More than,000 Ω: ±5% REFERENCE DATA. Life curve 2. Coil temperature rise (resistance method) 3. H2S gas test (,000 ppm) 2,000,000 No. of operations 0 00 0 V DC L R = 0 L R = 7 ms 2 3 5 Current, A Coil temperature rise, C 80 0 0 0.5.0.5 2.0 Operating power, W Contact resistance, mω 00 0 0 00 50 0 Sealed KE relay (Au/Ag contact) 0 8 2 32 0 8 Exposure time, hrs. 23
DIMENSIONS 2 m C.5.0 (K2E)...57 3.7 23..53.2 0.5.3.38.57.23.8 (3-8 NC-2A) PC board pattern PC board terminal (K2EP) 23. 0.2.3 DIA..05 DIA..2 2.07.57.8 Tolerance: ±0.3 ±.02 m C.5 (KE)...57.0 2..57 3.7.53 0.5.3.38.57.23.8 (3-8 NC-2A) PC board pattern PC board terminal (KEP) 2..57 0.3 DIA..05 DIA..2 2.07.57.8 Tolerance: ±0.3 ±.02 m C (KE)..5..57.0 3.8.370 3.7.53 0.5.3.38.57.23.8 (3-8 NC-2A) General tolerance: ±0.5 ±.0 2
ACCESSORIES Solder terminal sockets (with hold-down clip) K K2-SS 2 m C (for K2E). 2.2.53.25 5.5. 0 23..2.03 DIA. 3.2.378 3.52 K-SS m C (for KE).8.25. 5.5. 0 2..57 3.2.03 DIA..378 3.52 K-SS m C (for KE)..25. 5.5. 0 3.8.370.03 DIA. 3.2.378 3.52 PC board terminal sockets (with hold-down clip) K2-PS 2 m C (for K2E) K-PS m C (for KE) 2.2.53 0.8 0.53.53.3.5.37.3.5.37 23..2 2..57.03 DIA. 3.2.378.03 DIA. 3.378.2 3.52 3.52.3 DIA..05 DIA..3 DIA..05 DIA. K-PS m C (for KE). 0.53.3.5.37 3.8.370.03 DIA. 3.378.2 3.52.3 DIA..05 DIA. General tolerance: ± ± 25
MOUNTING DIMENSIONS Plug-in socket mounting.8 38.8±.5. 3..2 5.7 FLAT WASHER LOCK WASHER HOLD-DOWN CLIP K RELAY (2.. C) MOUNTING SCREW (2.3mm 0 or 3-8NC-2A) MOUNTING PANEL MAX. THICKNESS IS TO BE KEPT LESS THAN 3mm. SOCKET FOR K RELAY MIN..787 7.. 7.275 3.7. 7.2.3 (a) (b) 2-3 HOLE 2-.8 DIA. (a) K2:.3 K:.55 K:.5.78 (b) K2: 2.02 MIN. K: 3.8 MIN. K: 37.2.5 MIN. General tolerance: ±0.5 ±.0 Tolerance: ±0. ±.00 00 Matsushita Electric Works Group Europe Cautions for Use, see Relay Technical Information.