ATR20 Series Thermal Circuit Protector for Equipment FEATURES * RoHS compliant, single pole, thermal current overload protector * Reliable, trip-free operation on current overloads * Warranty: 24-months from date of manufacture * Protection range and operating voltage: 0.1 to 16.0 Amps, 240 VAC, 50 VDC (cUus,cCSAus) 0.5 to 12 Amps, 240 VAC, 24 VDC (VDE) DESCRIPTION The AirpaxTM 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 Voltage Ratings Max Breaking Capacity Conditional Short Circuit Capacity Inc1 (PC1) per EN 60934 Rated Short Circuit Capacity Icn Ref. EN 60934 Tripping Current Code (TC) Insulation Resistance Dielectric Strength 125 / 250 VAC, 50/60 Hz, 50 VDC 8x In for < 6A, 60A max. > 6A 1000A 125 / 250VAC, 50VDC,SC:1kA, C1, 125 / 250VAC, 50VDC Ref. CSA 22.2 No. 235-04, UL 1077 Min. 6 X Rated Current (6 X In), 250VAC inductive Min. 4 X Rated Current (4 X In), 50VDC resistive TC2 ref: CSA22.2, No. 235-04 Min 100 M @ 500VDC 1.5 KV for 1 min. (per EN60934) Initial Withstand Voltage 2.5 KV (per EN60934) Operational Life 1000 Cycles @ 2 x In Overload Rating OL0 240Vac, 50Vdc, ref: CSA22.2, No. 235-04 Overload Switching Capacity 6x In AC Up to 9A, 4x In DC Up to 12A 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 Applicable Approvals 306 2.5, 3, 4, 5, 6, 7, 8, 10, 12, 15, 16, 20 Amps (AC - inductive, DC - resistive) ATR20 Series Approximately 17 grams UL 1077, CSA 22.2 No. 235-04, TUV EN 60934 http://airpax.sensata.com/ ADDITIONAL PRODUCTS 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 temperature 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 temperature 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 temperature 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 : Normal Continuous Current = 5.0 A Ambient Temperature = 40C Multiplication Factor = 1.1 (from 3rd chart) 1000 Recommended Rating: 5.0 x 1.1 = 5.5 Select the Nearest Rating = 6.0 amps (nearest) Trip Time (sec) 100 10 1 0.1 http://airpax.sensata.com/ 0 100 200 300 400 500 600 700 800 900 1000 135 CURRENT (%) ATR20 Series 307 MOUNTING OPTIONS, inches [mm] Central Mounting (A) A. 3/8"- 27 UNS Thread O .118 3 .472 12 Panel cutout .236 6.0 O Tripped condition Non-tripped condition .374 9.5 .378 -.004 9.6 -0.1 ( ) .350 -.004 -0.1 8.9 ( ) 3/8" - 27UNS Pitch Central Mounting (C) C. M 11 Thread O Tripped condition Non-tripped condition .118 3 .295 7.5 M11X1 Pitch Panel cutout O .441 +.008 11.2 +0.2 ( ) .472 12 .374 9.5 .394 +.008 +0.2 10 ( 15A 250V~ 50V- LINE ) .906 23 ATR20 LOAD .461 11.7 .248 x .031 6.3 x 0.8 .689 17.5 .031 0.8 1.161 29.5 .571 14.5 Wing Clips (W) .118 3 O Panel cutout .295 7.5 Tripped condition Non-tripped condition .472 12 .906 23 .390 9.9 15A 250V~ 50V- LINE LOAD .461 11.7 .689 17.5 .531 13.5 .547 13.9 +.004 +0.1 ATR20 ( .433 11 .610 15.5 308 (+.004 ) +0.1 ) .031 0.8 .248 x .031 6.3 x 0.8 .976 24.8 .626 O 15.9 .618 15.7 .571 14.5 1.161 29.5 ATR20 Series http://airpax.sensata.com/ ADDITIONAL PRODUCTS ADDITIONAL OPTIONS Terminals S. STRAIGHT R. 90 BEND, RIGHT SIDE L. 90 BEND, LEFT SIDE .343 8.7 ATR20 15A .157 4 250V~ 50V- LINE LOAD .461 11.7 .031 0.8 .248 x .031 6.3 x 0.8 .689 17.5 Button Marking .031 0.8 .248 6.3 .031 0.8 LOAD .689 17.5 .157 4 .102 2.6 PLASTIC KNURLED NUT (P/N 053-200-0001) Panel Cutout Positions LOAD .689 17.5 .102 2.6 Accesories METAL HEXAGONAL NUT (P/N 053-200-0003) METAL KNURLED NUT (P/N 053-200-0002) DUST COVER METAL KNURLED NUT (053-200-0005) HORIZONTAL 15 LINE .248 6.3 Mounting Nuts VERTICAL 15 LINE .343 8.7 Indicator Plate TYPES: 1. Embossed (Aluminium) (P/N 053-200-0004) 2. Silver Letters on Black (P/N 053-200-0007) Panel Cutout Positions DECISION TABLES ATR20 - C - 63 S - B 1 - A - 7.0A - 2 Product Type 2 Mounting Bushing 4 Terminal Options 6 Button Marking 8 Std.Current Rating A Plastic 3/8"-27 S Straight 0 None 2.5, 3.0, 4.0, 5.0, 6.0, C Plastic M11 L 90 Bend, Left Side 1 White, Vertical 7.0, 8.0, 10.0, 12.0, W Wing Clip R 90 Bend, Right Side 2 Black, Vertical 15.0, 16.0, 20.0 3 White, Horizontal 4 Black, Horizontal 3 Terminal Size 5 Button Color 7 Mounting Nut 9 Indicator Plate 63 .250 B N None or Wing Clip 0 None A Plastic Knurled 1 Embossed Aluminium B Metal Knurled 2 Silver Letters on Black C Metal Hex Nut D Sealing Knurled Boot Black WB White with trip indication http://airpax.sensata.com/ ATR20 Series 309