K300 KG | Alldatasheet

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Technical content

K300_en Rev 1.1 1 R K300 HIGH POWER LATCHING RELAY  120A Latching Relay  UC3 capability as per IEC 62052-31: Rated Operational Current (Ie) = 100A Rated Operational Current (Ue) = 220V  4kV dielectric strength between coil and contacts.  Outline dimensions: (115 x 54 x 24)mm.  Custom assemblies available with flex wire and/or copper extensions, and/or with integrated shunt.  RoHS compliant materials and process. Contact Data Characteristics Rated Load* 100A @ 220V Insulation resistance 1,000MΩ (at 500 Vdc) Contact form 3A or 3B Dielectric strength: Contact material AgSnO2 Coil to contact 4kVac for 1 min. Contact resistance† 0.35mΩ (at 100 A) 10kV 1.2us/50us Max. switching voltage‡ 220 Vac Across open contacts 2,5kVac for 1min. Max. carrying current§ 120 A Dielectric creepage 8.9 mm Max. switching current 100 A Ambient temperature -40°C to +85°C Rated switching power 22,000 VA Ambient humidity 5% - 85% RH Set time ≤ 30 ms Vibration 1.5 mm (DA) 10 Hz to 55 Hz Reset time ≤ 30 ms Shock resistance: Electrical endurance 10,000 cycles Functional** 98 m/s2 Mechanical endurance 100,000 cycles Survival 980 m/s2 Coil termination PCB or Wire Unit weight 300g * Load at which the relay can pass UC3 as per IEC 62052-31 † Typical value for initial contact resistance per relay pole: Using a sample quantity of at least 20 units, take the average value from 5 continuous measurements from each sample. ‡ Voltage at which the relay can pass UC3 as per IEC 62052-31 § Current at which the relay can pass UC3 as per IEC 62052-31 ** Unit may change state but is still functional

K300_en Rev 1.1 2 Coil Data Single Coil (Latching) Dual Coil (Latching) Coil Consumption 5W 10W Pulse Duration 50ms 50ms Coil Resistance (Ω±10%) at 23°C Nominal Coil Voltage Min Set/Reset Voltage Single Coil (Latching) Dual Coil (Latching) 6Vdc 4.8Vdc 7Ω 2 x 3.5Ω 9Vdc 7.2Vdc 16Ω 2 x 8Ω 12Vdc 9.6Vdc 29Ω 2 x 14.5Ω 24Vdc 19.2Vdc 115Ω 2 x 57.5Ω 48Vdc 38.4Vdc 460Ω 2 x 230Ω

Ordering Information

K300 ☐ -☐ ☐ ☐ -☐ T -Cxxxx Relay Series Terminal Type: A: See drawing X: Custom Design†† Coil Type: S: Single Coil D: Dual Coil Coil Voltage‡‡: 6,9,12,24,48 Vdc Polarity: P: Positive N: Negative Contact Form: 3A: Form 3A – Normally open (NO) 3B: Form 3B – Normally closed (NC) Contact Material: T: AgSnO2 Custom Number: Cxxxx: Where xxxx represents a unique number for custom relay terminal designs. †† For custom designs, please contact KG Technologies. Integrated shunts, flex-wire, copper extension and brass terminals available. ‡‡ Coil voltage should be indicated in three-digit format (6Vdc = 006)

K300_en Rev 1.1 3 Dimensional Drawings (Unit: mm) Type A Contact Terminals

K300_en Rev 1.1 4 Wiring Diagrams (Unit: mm) Single Coil Dual Coil Positive Polarity Negative Polarity Positive Polarity Negative Polarity Application Notes 1. It is possible that during transit or final assembly the relay could change state. Therefore, it is recommended that all relays be set to the desired state via a power supply. 2. In order to maintain an “Open” or “Closed” state of the relay, the coil voltage should reach the rated voltage. The pulse width should be 50ms minimum to ensure a proper change of state. DO NOT energize both T1 and T3 at the same time on a Dual Coil or energize the coil for longer than 1 minute (damage to the coil could occur). 3. Applying excessive heat to the relay terminals (soldering or welding) can cause damage to the internal structure of the relay and should be avoided. 4. Moving or bending the terminals can cause damage to the internal structure of the relay and should be avoided. 5. For definitions of terms used in this data sheet, see glossary at www.kgtechnologies.net. Disclaimer: This datasheet is for reference only. All specifications are subject to change without prior notice. KG Technologies, Inc. cannot predict every possible application for our relays. While we do our best to make our relays as versatile as possible, we highly recommend contacting our engineering team if you have any questions. KG Technologies, Inc. is not responsible for malfunctioning relays when operated outside the specified parameters given in this datasheet.