R20 Seriesta Thermal Circuit Protector for Equipment feaURt eS RoHS compliant, single pole, thermal current overload protector Protection range and operating voltage: Reliable, trip-free operation on current overloads 0.1 to 16.0 Amps, 240 VAC, 50 VDC (cUus,cCSAus) Warranty: 24-months from date of manufacture 0.5 to 12 Amps, 240 VAC, 24 VDC (VDE) DeScRiption The Airpax ATR20 product family is a single pole, thermally operated overload protector with a snap-acting trip mechanism that provides reliable, trip-free operation on current overloads. The ATR20 series is designed with multiple mounting configurations including central nut and wing clip. SpecificationS Standard Current Ratings 2.5, 3, 4, 5, 6, 7, 8, 10, 12, 15, 16, 20 Amps (AC - inductive, DC - resistive) Voltage Ratings 125 / 250 VAC, 50/60 Hz, 50 VDC Max Breaking Capacity 8x I for < 6A, 60A max. > 6A n Conditional Short Circuit Capacity 1000A 125 / 250VAC, 50VDC,SC:1kA, C1, 125 / 250VAC, 50VDC Inc1 (PC1) per EN 60934 Ref. CSA 22.2 No. 235-04, UL 1077 Rated Short Circuit Capacity Icn Min. 6 X Rated Current (6 X In), 250VAC inductive Ref. EN 60934 Min. 4 X Rated Current (4 X In), 50VDC resistive Tripping Current Code (TC) TC2 ref: CSA22.2, No. 235-04 Insulation Resistance Min 100 M 500VDC Dielectric Strength 1.5 KV for 1 min. (per EN60934) Initial Withstand Voltage 2.5 KV (per EN60934) Operational Life 1000 Cycles 2 x I n Overload Rating OL0 240Vac, 50Vdc, ref: CSA22.2, No. 235-04 Overload Switching Capacity 6x I AC Up to 9A, 4x In DC Up to 12A n 60A Max. from 10A to 12A Max Operating Temperature 60C (140F) Ambient Application Type General Industrial ref: CSA22.2, No. 235-04 Method of Tripping Thermal TO, trip-free Type of Actuation Reset button, type R Weight Approximately 17 grams Applicable Approvals UL 1077, CSA 22.2 No. 235-04, TV EN 60934 306 ATR20 Series tiMe / cURRent cHaRacteRiSticS The standard characteristic is valid for an ambient temperature of 25C. However, if the device is to be used in an ambient temperature other than 25C, an allowance must be made when selecting the current rating. See the charts, graph and example below to help determine the right circuit protector rating for your application. aMbient teMpeRURta e coRRection factoR - 2.5 aMp ciRcUit pRotectoR Ambient Temperature (C) - 20 - 10 0 + 10 + 25 + 30 Multiplication Factor 0.58 0.6 0.7 0.8 1 1 aMbient teMpeRURta e coRRection factoR - 3 aMp to 4 aMp ciRcUit pRotectoR Ambient Temperature (C) - 20 - 10 0 + 10 + 25 + 30 + 35 Multiplication Factor 0.8 0.85 0.9 0.9 1 1 1.1 aMbient teMpeRtURa e coRRection factoR - 5 aMp to 20 aMp ciRcUit pRotectoR Ambient Temperature (C) - 20 - 10 0 + 10 + 25 + 40 + 50 + 60 Multiplication Factor 0.8 0.85 0.88 0.9 1 1.1 1.3 1.4 Example : Operating Characteristics : 1000 Normal Continuous Current = 5.0 A Ambient Temperature = 40C Multiplication Factor = 1.1 (from 3rd chart) Recommended Rating: 5.0 x 1.1 = 5.5 100 Select the Nearest Rating = 6.0 amps (nearest) 10 1 0.1 0 100 200 300 400 500 600 700 800 900 1000 135 CURRENT (%)