{"product_id":"siemens-circuit-breaker-d-curve-3-pole-10ka-32a","title":"Siemens Circuit breaker, D-curve, 3-pole, 10kA, 32A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SJ4332-8HG42 is the Siemens SENTRON 5SJ4 Miniature Circuit Breaker 3-pole, 32 A, D-characteristic. It is a compact and robust overcurrent protection device designed for three-phase circuits, providing thermal-magnetic protection against overloads and short-circuits, suitable for industrial and commercial power distribution applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole miniature circuit breaker (MCB, SENTRON 5SJ4 series)\u003c\/li\u003e\n\u003cli\u003eRated current: 32 A (at 30–40 °C ambient)\u003c\/li\u003e\n\u003cli\u003eTripping characteristic: D — suitable for circuits with moderate inrush currents (e.g. motors, transformers, inductive loads)\u003c\/li\u003e\n\u003cli\u003eRated operational AC voltage up to 400 V (insulation up to 440 V AC); DC rating up to 60 V (single-channel) \/ 125 V (multi-channel)\u003c\/li\u003e\n\u003cli\u003eBreaking capacity: 10 kA (per EN 60898) \/ 15 kA (per IEC 60947-2) — adequate for typical industrial short-circuit levels\u003c\/li\u003e\n\u003cli\u003eTouch-protected terminals and halogen-free, silicon-free materials — suitable for safety and industrial environments\u003c\/li\u003e\n\u003cli\u003eSealable handle — allows locking OFF for maintenance or safety lock-out\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 35 mm DIN-rail mounting — easy installation in control panels or distribution boards\u003c\/li\u003e\n\u003cli\u003eCompact modular width: 3 units — fits standard switchboards and enclosure layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 5SJ4332-8HG42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SENTRON 5SJ4 miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-phase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 32 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripping Curve:\u003c\/strong\u003e D-characteristic (10–20 × In for magnetic trip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational AC Voltage (Ue):\u003c\/strong\u003e 400 V AC (insulation up to 440 V AC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated DC Voltage (Ue DC):\u003c\/strong\u003e 60 V DC (single channel), 125 V DC (multi-channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Capacity (Icu \/ Ics):\u003c\/strong\u003e 10 kA (EN 60898) \/ 15 kA (IEC 60947-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Terminals:\u003c\/strong\u003e Screw\/clamp terminals; conductor cross-section supported typically 0.75 … 25 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Tightening Torque:\u003c\/strong\u003e ~3.5 N·m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail (35 mm), any mounting position allowed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Width:\u003c\/strong\u003e 3 units (≈ 54 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals \/ Standards:\u003c\/strong\u003e EN\/IEC 60898-1, IEC 60947-2, UL 489, CSA C22.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Environment:\u003c\/strong\u003e Pollution Degree 3, Overvoltage Category III; suitable for industrial or commercial distribution boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature \/ Derating:\u003c\/strong\u003e Rated at 32 A at 30–40 °C; derated at higher ambient temperature (e.g. ~30.4 A at 50 °C, ~28.8 A at 60 °C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompliant with international standards for miniature circuit breakers (EN\/IEC 60898-1, IEC 60947-2)\u003c\/li\u003e\n\u003cli\u003eUL 489 and CSA certified for North-American type AC\/DC circuits (480Y\/277 V AC, up to 60\/125 V DC)\u003c\/li\u003e\n\u003cli\u003eSuitable for industrial, commercial, and building power distribution systems requiring reliable overload and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 5SJ4332-8HG42 is ideal for protecting three-phase branch circuits in power distribution boards, switchgear, motor control installations, or any industrial or commercial electrical distribution requiring 32 A protection with D-type trip characteristic. It is particularly suitable for circuits with inductive loads — such as motors, transformers, or equipment with high inrush currents — where a D-characteristic breaker ensures reliable protection without nuisance tripping. It can also be used in general power circuits, lighting and socket circuits in industrial or commercial buildings.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775053049920,"sku":"5SJ4332-8HG42","price":5723.33,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SJ4332-8HG42.jpg?v=1764576154","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-circuit-breaker-d-curve-3-pole-10ka-32a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}