Insulated Enclosure KU 4087, KU 4088 KU 4089 to DIN 43 880 for building-into distribution cabinets or surface mounting Technical Data Order references 8 Terminals KU 4087.0031867: KU 4087.0044740: 16 Terminals KU 4088.0031868: KU 4088.0036588: 32 Terminals KU 4089.0031869: KU 4089.0036437: Standard version vertical PCB Standard version horizontal PCB Standard version vertical PCB Standard version horizontal PCB Standard version vertical PCB Standard version horizontal PCB Versions with removable front plate, on request Outer dimensions: 17,5 x 90 x 58 / 35 x 90 x 58 / 70 x 90 x 58 Enclosure material: PC - GF, light grey RAL 7035 Temperature stability: complying with UL 746 B: complying with Vicat ISO 306 Meth. B: complying with ISO 75-2 Meth. A: Meth. B: * Width 17,5 / 35 / 70 mm * 8 / 16 / 32 plus-minus-terminal screws with self raising terminal wachers. Part utilised possible, with blanking plug as option * Secure termination of max. 2 connection wires of differing cross section * Machine solderable connection pins, additional wire connection possible * Housing supplied as single parts, terminals prefitted in terminal blocks Plus-minusterminal screw M3,5 Terminal material: vertical PCB lower section of enclosure Plus-minusterminal screw M3,5 Base Terminal block Connection plate with solder pin Foot lower section of enclosure horizontal PCB ISO 554 Steel strip, tin-plated Max. cross section for connection: 2 x 2,5 mm2 solid 2 x 1,5 mm2 stranded min. O 0,1 mm solid DIN 46 228-1/-2/-3/-4 Max. contact resistance to printed circuit board: 20 mW Max. current carrying capacitiy: 16 A; 40 A on request Wire fastening: Captive plus-minus-terminal screws M3,5 with self raising terminal washers. Function compl. with IEC 60 999-1 Inner connection: Machine solderable connection pin for PCB und and soldering lug for stranded Enclosure fastener: 1) Snap-on fastener on top hat rail 2) Screw fixing M4, grid 90 mm with additional clip as accessory Creepage current resistance: ^ insulated material III a CTI 175 = Terminal block Flat terminals for vertical PCB 148 C 138 C 144 C Max. permitted power dissipation: 3 W / 4 W / 8 W at normal climate 23/50-1 specific thermal resistance: Rth = 16 K / W; 12 K / W; 8 K / W for stand-alone enclosure Flame retardancy complying with UL 94: V-0 complying with IEC 60 707: BH 2-30 Number of terminals: 8 / 16 / 32; < 8, < 16, < 32 on request Base Connection plate with solder pin 125 C Air gap and creepage distances Vertival PCB: Air gap distance: 4,0 mm Creepage distance: 6,3 mm Horizontal PCB: 3,2 mm Type of protection Enclosure: Terminals: EN 50 022 IEC 60 664-1 IEC 60 664-1 IP 40 IEC 60 529 IP 20 IEC 60 529 Contact protection complies with VBG 4 Print area: 17 x 44 mm / 35 x 44 mm / 71 x 44 mm Printed circuit board: See printed circuit board design Printed circuit board holder: Guide ribs Net weight: 42 / 80 / 150 g Accessories: ET 4086-0-2: KU 4089-3-4: KU 4087-0-2: KU 4087-2-1: KU 4089-3-1: KU 4089-3-3: Second clip for screw fixing Blanking plug for terminal block Blanking plug for Enclosure base Dummy terminal block for vertical PCB Dummy terminal block for horizontal PCB Double foot, for KU 4089-3-1 necessary, 2 pieces KU 4089-3-1 mounted on double foot Foot, for KU 4089-3-1 necessary, 1 piece KU 4089-3-1 mounted on foot KU 4089-3-3.1: Flat terminals for horizontal PCB All specifications correspond to the technology used at time of publication. We reserve the right to make improvements and changes of a technical nature at any time. KU 4087, KU 4088, KU 4089 / 04.09.02 d 1 Exploded views Dimensions Enclosure for vertical PCB PCBs not included in deliveries KU 4087.0031867 Terminal block fitted KU 4087-2.1/0142957 Terminal block fitted KU 4087-3.1/0142958 in area 15 x 35 openings are possible to customers spec. top hat rail EN 50 022 KU 4088.0031868 Terminal block fitted KU 4087-2.1/0142957 Terminal block fitted KU 4087-3.1/0142958 in area 33 x 35 openings are possible to customers spec. top hat rail EN 50 022 KU 4089.0031869 Terminal block fitted KU 4087-2.1/0142957 Terminal block fitted KU 4087-3.1/0142958 in area 67 x 35 openings are possible to customers spec. 2 top hat rail EN 50 022 Exploded views Dimensions Enclosure for horizontal PCB PCBs not included in deliveries KU 4087.0044740 in area 15 x 35 openings are possible to customers spec. top hat rail EN 50 022 KU 4088.0036588 in area 33 x 35 openings are possible to customers spec. top hat rail EN 50 022 KU 4089.0036437 in area 67 x 35 openings are possible to customers spec. 3 top hat rail EN 50 022 Printed circuit board design 1,5 thick 1) Hole AE 2,4 on request, for cylindrical screws ISO 1207 - M2 x 3 not included in deliveries 1,5 thick 1) View from component side Hole AE 2,4 on request, for cylindrical screws M2 x 3 ISO 1207 not included in deliveries 1,5 thick 1) 1,5 thick 1) Accessories Plus-minusterminal screw M3,5 Base optionally Blanking plug KU 4089-3-4 optionally Blanking plug KU 4087-0-2 Base Terminal block KU 4089-3-1 Connection plate with solder pin Horizontal PCB lower section of enclosure 4 Double foot KU 4089-3-3 resp. Single foot KU 4089-3-3.1 lower section of enclosure KU 4088 for EIB-plug-in (12-pole) Dimension KU 4088.0052702 Solder pin EIB-plug-in EIB-plug-in * Width 35 mm * Useable for Sensor and Aktor modules in EIB-system * For standard EIB-plug-in, 2-pole * 12 plus-minus-terminal screws with self raising terminal washers * Part insertion possible, available with blanking plugs Terminal block KU 4089-3.1 Printed circuit board design Base EIB-plug-in Hole AE 2,4 on request, for cylindrical screws ISO 1207 - M2 x 3 not included in deliveries Solder pin 1,5 thick 1) Horizontal PCB Lower section of enclosure EIB-plug-in Plus-minusterminal screw M3,5 2) Base Terminal block Connection plate with solder pin Foot Horizontal PCB Lower section of enclosure Flat terminals for horizontal PCB 5 Hole AE 2,4 on request, for cylindrical screws ISO 1207 - M2 x 3 not included in deliveries KU 4089 for EIB-plug-in (28-pole) Dimension KU 4089.0051013 Solder pin EIB-plug-in EIB-plug-in Terminal block KU 4089-3.1 * Width 70 mm * Useable for Sensor and Aktor modules in EIB-system * For standard EIB-plug-in, 2-pole * 28 plus-minus-terminal screws with self raising terminal washers * Part insertion possible, available with blanking plugs in area 67 x 35 openings are possible to customers spec. top hat rail EN 50 022 Printed circuit board design Base EIB-plug-in Hole AE 2,4 on request, for cylindrical screws ISO 1207 - M2 x 3 not included in deliveries Solder pin 1,5 thick 1) Horizontal PCB Lower section of enclosure EIB-plug-in Plus-minusterminal screw M3,5 Base 2) Terminal block Connection plate with solder pin Foot Horizontal PCB Lower section of enclosure Flat terminals for horizontal PCB 6 Hole AE 2,4 on request, for cylindrical screws ISO 1207 - M2 x 3 not included in deliveries Dimensions for BUS-connection between enclosure and from row to row KU 4089 Box strip 10-pole 1,5 mm2 stranded ferruled pin strips 10-pole KU 4089 pin strips 10-pole 1,5 mm2 stranded ferruled Box strip 10-pole top hat rail EN 50 022 42 ) see Printed circuit board design ZU 4089-62.1 other polarity versions, on request Printed circuit board design for BUS-connection between enclosure and from row to row View fron component side 1,5 thick 7