1- Phase Current Relay * Current monitoring for industrial heaters and motors: occurents or undercurrents. * The K8AC-CT200L CT is required to use the K8AB-AS3. Use the K8AB-AS to use a commercially available CT Product name: Single-phase Current Relay Detection element: Over current, Under current Circuit application: Single-phase alternating current, Direct current Controll power circuit Isolated power supply: 100/ 115 VAC Operating voltage range: 85% to 110% of the rated power supply voltage Rated frequency: 50/ 60 Hz + / - 5% Power consumption: 4 VA max. Input circuit: Input frequency range: DC input / AC input( 45 to 65 Hz) Input range AC/ DC 0.1 to 1A ( Input impedance: Approx. 0.12 Ohm( 0.5 VA) ) AC/ DC 0.5 to 5A ( Input impedance: Approx. 0.02 Ohm( 1.5 VA) ) AC/ DC 0.8 to 8A ( Input impedance: Approx. 0.02 Ohm( 3 VA) ) Operating value setting range 0.1 to 1 A AC/ DC 0.5 to 5 A AC/ DC 0.8 to 8 A AC/ DC Operating value 100% operation at set value Reset value setting range 5% to 50% of operating value Reset method Manual reset/ automatic reset ( switchable) Operating time setting range 0.1 to 30 s Startup lock time settinge 0 to 30 s 1 SPDT( NO/ NC switchable) Contact output 1 SPDT( NO/ NC switchable) Resistive loads: 250VAC 6A / 30VDC 6A Inductive loads: 1 A at 250 V AC( cos PHI= 0.4) / 1 A at 30V DC( L/ R= 7ms) Max. switching capacity: 1, 500 VA Max. contact voltage: 250 V AC Max. contact current: 6 A AC Min. permissible load( P level Reference value) : 10 mA at 5 V DC Mechanical life: 10, 000, 000 operations min. Electrical life: Make contact50, 000 operations min. , Break contact 30, 000 operations min Display PWR : Green / RY : Yellow / ALM : Red Ambient temperature Operating: -20 to + 60 CEL Storage: -40 to + 70 CEL with no icing or condensation Ambient humidity Operating: 25 to 85% RH Storage: 25 to 85% RH With no condensation Altitude 2, 000 m max. Tightening torque 0.49N.m Terminal wiring method Recommended wire Solid wire: 2.5mm2 Recommended wire: Terminal wiring method Recommended ferrules A1 1.5-8BK ( for AWG# 16) made from Fenix Contact A1 1-8RD ( for AWG# 18) made from Fenix Contact A1 0.75-8GY ( for AWG# 18) made from Fenix Contact Case color Munsell 5Y 8/ 1 Case material ABS resin( self-extinguishing resin) UL94V-0 Weight Approx. 130 g Mounting DIN track mounting Surface-mounting screw ' ý Overload capacity Maximum input 120% continuance Maximum input 150% 1s Setting error Operating value: Set value + / - 10% of full scale Reset value: Set value + / - 10% of full scale Operating time: Set value + / - 10% of full scale Startup lock time: Set value + / - 10% of full scale Repeat error Operating value: + / - 2% Operating time: + / - 50 ms Power ON lock time: + / - 50 ms Temperature influence Operating value: -20 CEL to standard temperature: + / - 1000ppm/ CEL max. Operating value: Standard temperature to 60 CEL: + / - 100ppm/ CEL max. Operating time: -20 CEL to base temperature: + / - 10% max. Operating time: Base temperature to + 60 CEL: + / - 10% max. Humidity influence Operating value: 25 to 80% RH: + / - 5% max. Operating time: 25 to 80% RH: + / - 10% max. Influence of power supply voltage Operating value: + / - 5% Operating time: + / - 10% Influence of power supply frequency Operating value: + / - 5% max. ( at 45 to 65 Hz) Operating time: + / - 10% max. ( at 45 to 65 Hz) Influence of input frequency Operating value: + / - 5% max. ( at 45 to 65 Hz) Operating time: + / - 10% max. ( at 45 to 65 Hz) Insulation resistance Between the entire external terminal and case: 20 M Ohm min. 20 M Ohm min. Between input terminal and output terminal: 20 M Ohm min. at 500 VDC Dielectric strength Between the entire external terminal and case: 2, 000 V AC 50/ 60Hz 1min. 2, 000 V AC 50/ 60Hz 1min. Between input terminal and output terminal: 2, 000 V AC 50/ 60Hz 1min. Noise immunity 1, 500V Power terminal common/ normal star-up 1ns square wave, positive and negative pulse duration 1us/ 100ns Vibration resistance Vibration 10 to 150 Hz, Single amplitude 0.35 mm, Acceleration 50 m/ s2, 5 min X 10 sweeps each in X, Y and Z directions Shock resistance 100 m/ s2 3 times each on 3 axes 6 directions Degree of protection Terminals: Finger protection Conformed standard 1 EN: EN60255-5 and EN60255-6 ( pollution level 2, overvoltage category 3) EMC Directive: EN61326
current meter
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