Thomas & Betts S203-B50 3-Pole 50 Amp 480 Star/277 VAC Supplementary Protector

Specifications

Technical

• Standards: IEC/EN 60898-1IEC/EN 60947-2UL 1077
• Number of Poles: 3
• Number of Protected Poles: 3
• Tripping Characteristic: B
• Rated Current (In): 50 A
• Rated Operational Voltage: acc. to IEC 60898-1 400 V ACacc. to IEC 60947-2 440 V AC
• Power Loss: 9.75 Wat Rated Operating Conditions per Pole 3.25 W
• Rated Insulation Voltage (Ui): acc. to IEC/EN 60664-1 440 V
• Operational Voltage: Maximum (Incl. Tolerance) 440 V ACMaximum 440 V ACMinimum 12 V ACMinimum 12 V DC
• Rated Frequency (f): 50 Hz60 Hz
• Rated Short-Circuit Capacity (Icn): (400 V AC) 6 kA
• Rated Ultimate Short-Circuit Breaking Capacity (Icu): (230 V AC) 20 kA(440 V AC) 10 kA
• Rated Service Short-Circuit Breaking Capacity (Ics): (230 V AC) 15 kA
• Energy Limiting Class: 3
• Overvoltage Category: III
• Pollution Degree: 3
• Rated Impulse Withstand Voltage (Uimp): 4 kV(6.2 kV @ sea level)(5.0 kV @ 2000 m)
• Dielectric Test Voltage: 50 / 60 Hz, 1 min: 2 kV
• Housing Material: Insulation Group II, RAL 7035
• Actuator Type: Insulation group II, black, sealable
• Actuator Material: Insulation Group II, Black, Sealable
• Actuator Marking: I / O
• Contact Position Indication: Red ON / Green OFF
• Degree of Protection: IP20
• Remarks: IP40 in enclosure with cover
• Electrical Endurance: 10000 AC cycle
• Mechanical Endurance (Nendu): 20000 cycle
• Terminal Type: Screw Terminals
• Screw Terminal Type: Failsafe Bi-directional Cylinder-lift Terminal
• Connecting Capacity: Busbar 10 / 10 mm²Flexible with Ferrule 0.75 ... 25 mm²Flexible 0.75 ... 25 mm²Rigid 0.75 ... 35 mm²Stranded 0.75 ... 35 mm²
• Tightening Torque: 2.8 N·m
• Recommended Screw Driver: Pozidriv 2
• Mounting on DIN Rail: TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
• Mounting Position: Any
• Built-In Depth (t2): 69 mm
• Installation Size: acc. to DIN 43880 1
• Power Supply Connection: Arbitrary

Environmental

• Ambient Air Temperature: Operation -25 ... +55 °CStorage -40 ... +70 °C
• Reference Ambient Air Temperature: 30 °C
• Resistance to Shock acc. to IEC 60068-2-27: 25g / 2 shocks / 13 ms
• Resistance to Vibrations acc. to IEC 60068-2-6: 5g, 20 cycles at 5 ... 150 ... 5 Hz with load 0.8 In
• Environmental Conditions: 28 cycleswith 55 °C / 90-96 %and 25 °C / 95-100 %
• RoHS Status: Following EU Directive 2011/65/EU

Technical UL/CSA

• Maximum Operating Voltage UL/CSA: 110 V DC480Y/277 V AC
• Connecting Capacity UL/CSA: Busbar 18-8 AWGConductor 18-4 AWG
• Tightening Torque UL/CSA: 25 in·lb
• Interrupting Rating acc. to UL1077: (110 V DC) 10 kA(277 V AC) 6 kA(480Y / 277 V AC) 6 kA

Dimensions

• Product Net Width: 52.5 mm
• Product Net Depth / Length: 69 mm
• Product Net Height: 88 mm
• Product Net Weight: 0.375 kg

Container Information

• Package Level 1 Units: carton 1 piece
• Package Level 1 Width: 92 mm
• Package Level 1 Depth / Length: 58 mm
• Package Level 1 Height: 80 mm
• Package Level 1 Gross Weight: 0.4 kg
• Package Level 1 EAN: 4016779609562
• Package Level 2 Units: 36 piece
• Package Level 2 Width: 275 mm
• Package Level 2 Depth / Length: 395 mm
• Package Level 2 Height: 210 mm
• Package Level 2 Gross Weight: 13.36 kg
• Package Level 2 EAN: 4016779973571

Ordering

• Minimum Order Quantity: 1 piece
• Customs Tariff Number: 85362010
• E-Number (Sweden): 2100456

Classifications

• Object Classification Code: F
• ETIM 6: EC000042 - Miniature circuit breaker (MCB)
• ETIM 7: EC000042 - Miniature circuit breaker (MCB)
• eClass: 7.0 27141901
• UNSPSC: 39121614