Bussmann ® A British Standard Unenclosed Non Fused Load Break Switch 400 and 630A BDNFP Conforms to IEC 947 Regulations, Standards VDE 0660T100 IEC947-1 VDE 0660T107 IEC947-3 Safety Features • clear indication ON / OFF • quick make - break action ensures independent operation • positive forced opening of contacts EN 60947-1 EN 60947-3 Application The new generation of BDNFP load break switches and load break disconnectors have been designed for: • distribution boards • load centres • MCC motor-control-centres • control panels. Design Features • modular system, small dimensions • excellent electrical performance • high short circuit capacity • various accessories Dimensional Information for 400 Amp (mm) (not to scale) 25 48 45 M10 ø6.2 x 12 ø6.2 x 8 126 68 126 210 185 150 120 Ø14 98 186 33 188 Neutral Link 4 152 190 48 200 Triple Pole and Neutral 4 Pole This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Bussmann Division Cooper (U.K.) Ltd Burton-on-the-Wolds Leicestershire, LE12 5TH United Kingdom Tel: (44) (0)1509 88 27 37 Fax: (44) (0)1509 88 27 86 Head Office St. Louis, MO, U.S.A. Tel: (314) 527-3877 Fax: (800) 544-2570 International Fax: (314) 527-1445 B i F Bussmann Information Fax (00 1) 314 527 1450 BDNFP 04.97 Doc. No. 4205 Page 1 of 3 Bussmann ® A British Standard Unenclosed Non Fused Load Break Switch 400 and 630A BDNFP Conforms to IEC 947 Characteristics for 400A Electrical Rated current Ie open enclosed Operational current AC21, cos ϕ 0,95 IEC947-3 Breaking capacity AC21, cos ϕ 0,95 IEC947-3 Operational power AC23, cos ϕ 0,35 45 deg C 500V 690V BS 88 Fuse size (if applicable) Mechanical Mechanical Endurance Type 3-pole Art.-No. Net weight Packed weight 400A Rated operational voltage 55 deg C 400A 45 deg C 400A 55 deg C 400A 415V 400A 500V 400A 690V 400A 415V 600A 500V 600A 690V 600A 415V 200kW 1000V 3500V Operational current 415V AC22, cos ϕ 0,65 500V IEC947-3 690V Breaking capacity 415V AC22, cos ϕ 0,65 500V IEC947-3 690V Short circuit making capacity (Is) 400A 400A 400A 1200A 1200A 1200A 32kA 220kW Rated fused S/C current RMS with 230kW max HRC fuse type gl Electrical endurance 415V AC21, cos ϕ 0,95 500V AC22, cos ϕ 0,65 690V 3 x 103 Ops 117036 4.5kg 690V Frequency Rated insulation voltage Test insulation voltage Cable Size Max. cross section Type 3-pole+N Art.-No. Net weight Packed weight 40 - 60Hz Operational current 415V AC23, cos ϕ 0,35 500V IEC947-3 690V Breaking capacity 415V AC23, cos ϕ 0,35 500V IEC947-3 690V Rated short time current 400A 400A 250A 2500A 2500A 1500A 24.5kA 50kA 1 sec. RMS value 400A 300 Ops Electrical endurance 300 Ops AC23, cos ϕ 0,35 200 Ops 415V 200 Ops 500V 150 Ops 690V 100 Ops Max. terminal torque Max. lug width 12.5 - 20 Nm 35mm 240mm2 Accessories Terminal Shrouds: 19130301 Red/Yellow handle: 190372 Additional extension shafts: 190503 (Standard shaft for depth up to 300mm) Auxiliary Contacts:191403 (1NO + 1NC) BDNFP 04.97 Doc. No. 4205 Page 2 of 3 Bussmann ® A British Standard Unenclosed Non Fused Load Break Switch 400 and 630A BDNFP Conforms to IEC 947 Dimensional Information for 630 Amp (mm) (not to scale) 25 48 45 ø14 ø6.2 x 8 ø6.2 x 8 126 68 126 220 190 150 120 Ø14 35 98 186 188 Neutral Link 6 152 190 48 200 Triple Pole and Neutral 4 Pole Characteristics for 630A Electrical Rated current Ie open enclosed Operational current AC21, cos ϕ 0,95 IEC947-3 Breaking capacity AC21, cos ϕ 0,95 IEC947-3 Operational power AC23, cos ϕ 0,35 45 deg C Mechanical Type 3-pole Art.-No. Net weight Packed weight 690V Frequency 630A 600A 550A 630A 630A 630A 1200A 1200A 1200A 315kW 500V 690V 315kW Rated fused S/C current RMS with 295kW max HRC fuse type gl Electrical endurance 415V AC21, cos ϕ 0,95 500V AC22, cos ϕ 0,65 690V BS 88 Fuse size (if applicable) Mechanical Endurance 630A Rated operational voltage 55 deg C 45 deg C 55 deg C 415V 500V 690V 415V 500V 690V 415V 3 x 103 Ops 117044 4.5kg Rated insulation voltage Test insulation voltage 1000V 3500V Operational current 415V AC22, cos ϕ 0,65 500V IEC947-3 690V Breaking capacity 415V AC22, cos ϕ 0,65 500V IEC947-3 690V Short circuit making capacity (Is) 630A 630A 630A 1890A 1890A 1890A 34.5kA Cable Size Max. cross section Type 3-pole+N Art.-No. Net weight Packed weight Operational current 415V AC23, cos ϕ 0,35 500V IEC947-3 690V Breaking capacity 415V AC23, cos ϕ 0,35 500V IEC947-3 690V Rated short time current 50kA 1 sec. RMS value 630A 300 Ops Electrical endurance 200 Ops AC23, cos ϕ 0,35 150 Ops 2 x 240mm2 40 - 60Hz Max. terminal torque Max. lug width 630A 630A 400A 3600A 3600A 2400A 28.5kA 415V 150 Ops 500V 100 Ops 690V 50 Ops 20 - 30 Nm 35mm Accessories Terminal Shrouds: 19130301 Red/Yellow handle: 190372 Additional extension shafts: 190503 (Standard shaft for depth up to 300mm) Auxiliary Contacts:191403 (1NO + 1NC) BDNFP 04.97 Doc. No. 4205 Page 3 of 3