Class I Division 2 Hydraulic-Magnetic MCB 4231-T Description Single pole, DIN rail mount, hydraulic-magnetic miniature circuit breaker (MCB) in accordance with UL1077, CSA22.2, and UL Class I Division 2, Groups A, B, C, D. Typical Applications Hazardous locations where flammable liquids, gases, vapors, or combustible dust exists in sufficient quantities to produce an explosion or fire. Typical applications include Oil & Gas drilling and production, Agricultural processing and storage, and Saw Mill / Pulp & Paper production. 4231-T... Ordering Information Type No. 4231 Hydraulic-magnetic high performance circuit breaker Mounting Technical Data T1 Rail mounting Number of poles 120VAC, 50VDC Voltage rating 1 Single pole protected Accessories Current rating range 1... 15A (AC) 0 Without 1... 20A (DC) Terminals Interrupting capacity 1000 A (AC and DC) K0 Screw terminals Characteristic curve Temperature -40 - 65C F1 DC short time delay* F2 AC short time delay Ambient typical life 1... 20A 6000 operations 1 x I N Approvals Insulation Resistance >100 mega ohms (100VDC) H UL1077, CSA22.2, UL Class I Division 2 Current ratings Dielectric Strength 1250 V RMS, 60 Hz (between terminals) 1, 2, 3, 5, 7, 8, 10, 12, 15, (20A)** Degree of Protection IP20 4231 - T1 1 0 - K0 F2 H - 10A ordering example * Visit www.e-t-a.com/us esx10-t/ to see ESX10 Electronic Breakers for Vibration 24VDC Class I Division II applications Directions 1, 2, 3, 4: 5 g at 1.0 x I N ** for 50VDC only Directors 5, 6: 10 g at 1.0 x I N (57-2000 Hz) +/- 0.76 mm (10-57 Hz) to IEC 60068-2-6, test Fc Available product configurations 10 frequency cycles/axis Shock Part number Current rating Description Directions 2, 3, 4, 5, 6: 40 g/11 ms/half sine at 1.0 x I N Direction 1: 30 g/11 ms/half sine at 1.0 x I N 1A to IEC 60068-2-27, test Ea 2A Humidity 240 hrs in 95% RH, temperature 40 3A Deg C test to IEC60068-2-78, test Cab 5A Corrosion 96 hrs in 5% salt mist test to UL1077, CID2, 1P, 120VAC, 7A 4231-T110-K0F1H- IEC60068-2-11, test Ka 50VDC 4231-T110-K0F2H- 8A 10A 12A 15A Schematic Diagram 20A UL1077, CID2, 1P, 50VDC line Approvals Authority Standard Rated voltage Current ratings UL Class I Div 2 GP A, B, C, D ISA 12.12.01-2015 1, 2, 3, 5, 120VAC 50/60 Hz CSA C22.2 No. 213 7, 8, 10, 12, I > 50VDC 15, 20A* UL UL 1077 CSA C22.2 No. 235-04 load * for 50VDC only www.e-t-a.com 1Class I Division 2 Hydraulic-Magnetic MCB 4231-T Time/current characteristic F1 Curve (DC) F2 Curve (AC) 10000 10000 1000 1000 100 100 10 10 1 1 0.1 0.1 0.01 0.01 0.001 0.001 0 100 150 200 300 400 500 600 700 800 900 1000 0 100 150 200 300 400 500 600 700 800 900 1000 125 125 percent of rated current percent of rated current Dimensions TYPE Z CROSS RECESS EN ISO 4757 44,7 17,6 POZIDRIV 2 1.76 .69 CONDUCTOR CROSS SECTION CONDUCTOR STRIP USE COPPER WIRE ONLY LENGTH 0.5-10 mm2 (AWG 20-AWG 8) RIGID CONDUCTOR 12-14 .472-.551 0.5-6 mm2 (AWG 20-AWG 10) FLEXIBLE CONDUCTOR 80,0 3.15 TIGHTENING TORQUE MAX. 0.8 Nm LABEL SLOT SYMMETRICAL RAIL TYPE DEKAFIX EN 50022-35x7.5 Temperature Derating Factor Shock directions Ambient Temperature rating of conductor Temperature 75 C 90C 40C 1.00 1.00 50C 1.00 1.00 60C 0.80 1.00 65C 0.70 0.80 Approval Details Model File Number Type UG FW U(V) I(A) TC OL SC 120 VAC 1... 15A C1, 1KA* E67320, 4231 OC A 0 1 1 E498433 50 VDC 1... 20A U1, 1KA *Evaluated with series fuse RK5 rated no more than 4X the rating of the protector 2 www.e-t-a.com time in seconds 4,80 60,0 .189 2.36 7,50 39,0 16,1 .295 1.54 .63 time in seconds 6,5 .26 82,6 3.25