Insulated Enclosure KO 4300S with twin-level box terminal for machine soldering technology Technical Data Order reference width depth = 118 mm depth = 97 mm (parted frontplates): 22,5 mm KO 4303S.0054998 KO 4323S.0054999 45 mm KO 4304S.0055738 KO 4324S.0055681 67,5 mm KO 4305S.0055671 KO 4325S.0055682 90 mm KO 4306S.0055672 KO 4326S.0055683 Enclosure material: PC-GF, light gray RAL 7035 (housing parts) polyamide (PA GF), natural (terminal block) Temperature stability: PC PA KO 4303S KO 4304S complying with UL 746 B: 125 C complying with Vicat ISO 306 Meth. B: 148 C complying with ISO 75-2 Meth. A: 138 C > 290 C Meth. B: 144 C > 290 C Max. permitted power dissipation: see diagrams Specific thermal resistance: KO 4303S KO 4304S KO 4305S:R = 6,5 K/W 5,5 K/W 4,2 K/W th KO 4324S KO 4324S KO 4325S:R = 9,0 K/W 6,5 K/W 5,4 K/W th Flame retardancy complying with UL 94: V-0 V-0 complying with IEC 60 707: BH 2-30 Number of terminals: KO 4305S KO 4303S, KO 4323S:16 KO 4304S, KO 4324S: 32 less, on request KO 4305S, KO 4325S:48 KO 4306S KO 4326S:64 Terminal material: steel strip, tin-plated 2 Max. cross section for connection: each 1 x 2,5 mm stranded ferruled DIN 46 228-1/-2-/3/-4 2 each 1 x 4 mm solid 2 each 2 x 1,5 mm stranded ferruled DIN 46 228-1/-2-/3 2 each 2 x 2,5 mm solid 2 Min. cross section for connection: each 1 x 0,5 mm solid or stranded ferruled DIN 46 228-1/-2-/3/-4 Insulation of wires or sleeve length: 8 mm KO 4306S Max. contact resistance to printed circuit board: 10 m Max. current carrying capacity: 16 A Width 22,5 / 45 / 67,5 / 90 mm Wire fastening: Captive plus-minus-terminal screws M3,5 Max. 16 / 32 / 48 / 64 box terminals with self raising terminal box Large, variable front plate surface Large cross section of connections Inner connection: Terminal block can be machine soldered 2 use of heat-resistant plastic means no cover possible (e.g. 2 x 1,5 mm with stranded for the terminal block facing the soldering ferruled) bath is required Max. current carrying capacity machine soldered terminal block, Enclosure fastener: Snap-on fastener on top hat rail IEC/EN 60 715 use of heat-resistant plastic means no Creepage resistance: cover for the terminal block facing the Enclosure: CTI 175 insulating material III a IEC 60 664-1 soldering bath is required Terminal block: CTI 250 - 400 insulating material III a IEC 60 664-1 Large plus-minus screws enable high Air gap and creepage distance: outside: 6,3 mm IEC 60 664-1 tightening torques inside: 4,0 mm IEC 60 664-1 high-voltage test complying with Type of protection IEC 60 439-1 Enclosure: IP 40 IEC 60 529 Terminal strip: IP 20 IEC 60 529 Printed circuit board density t = 1,5 mm contact protection complies with VBG 4 and 1 mm possible Print area: More option possible, seeOther option KO 4303S, KO 4323S: 20,5 x 43,6 mm KO 4304S, KO 4324S: 2 x 20,5 x 43,6 mm with two-parted front or 43 x 43,6 mm with one-parted front KO 4305S, KO 4325S: 3 x 20,5 x 43,6 mm with three-parted front or 65 x 43,6 mm with one-parted front KO 4306S, KO 4326S: 4 x 20,5 x 43,6 mm with four-parted front 2 x 43 x 43,6 mm with two-parted front or 88 x 43,6 mm with one-parted front Printed circuit board: See pronted circuit board design Printed circuit board holder: Guide ribs in base Other options: - Variable equipping level - With ground terminal to top hat rail More information - Side openings, e. g. for bus connection or see brochure G23 ventilation slots - Openings in base, e. g. for bus connection to top hat rail - Variable front plate, optionally with: * flap cover * openings, depending on customer specification * Combination of 22,5 and 45 mm (width) Twin-level box-terminal upper sections are possible All specifications correspond to the technology used at time of publication. We reserve the right to make improvements and changes of a technical naturre at any time. KO 4300S / 05.12.06 e 1Dimensions KO 430 KO 432 Printed circuit bord configuration KO 4303S / KO 4323S * 16,5 with printed circuit board thickness t = 1 mm Printed circuit bord configuration KO 4304S / KO 4324S 2