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OHMIC RESISTORS, OHMIC CONTROLS - FLUSH MOUNTING COMBINATION FUSE SWITCHES · PDF file 2018. 12. 26. · OHMIC RESISTORS PTY. LTD. A.C.N. 071 295 746 21SAGGART FIELD ROAD, MINTO N.S.W

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  • OHMIC RESISTORS PTY. LTD. A.C.N. 071 295 746

    21SAGGART FIELD ROAD, MINTO N.S.W. 2566

    P.O. BOX 5121 MINTO, N.S.W. 2566

    Tel: (02) 9820 5055 Fax: (02) 9603 8148

    Century Electric Fuse Switches manufactured by OHMIC CONTROLS Pty. Ltd.

    FLUSH MOUNTING COMBINATION FUSE SWITCHES COMPACT SERIES F.S.C. - F.S.C.N.

    60 - 600 AMPS

    MEDIUM VOLTAGE - STANDARD PATTERN. 440V-50HZ Series FSC - Open backed for cubicle type switchboards.

    Series FSC-N - Enclosed units for use in segregated switchboards.

    Century Fuse Switches have been designed and tested to a ll provisions of BSS 3 185 and are suitable for flush mounting in metalclad cubicle type switchboards for power supply and heavy duty indus trial applications.

    This design featu res full width door and concealed hinges allowing close mounting of units to achieve maximum utilization of available space.

    All units have been designed, tested and manufactured in Australia and comply fully with BSS 3185 for prospective fault levels of 80KA.

    OHMIC RESISTORS Pty. Ltd.

  • GENERAL SPECIFICATIONS

    Combination Fuse-switches by Century Electric are designed and tested to all provisions of BSS 3185, and incorporate the ultimate in facilities for

    * Simplicity of Installation * Service Reliability * Ease of Maintenance Construction:

    Mechanism and contact assemblies are supported from heavy gauge steel side plates which are tied together wi th lateral spreaders.

    Thorough tooling ensures proper alignment during assembly and full interchangeability of parts.

    A front door fitted with concealed hinges screens all internal parts from the operator; front access for inspection requires only the unscrewing of one or two knurled captive screws.

    The design of frame and terminal at tachments permits ready removal of the fuse-switch from the front of a switchboard without disturbance of busbars or structural members.

    The front door is finished in baked enamel . Colour light grey No. 631 to ASK 185-1 968.

    Framework is heavily zinc plated and passivated.

    Contacts:

    Fixed contacts for all r atings are of hard copper, silver plated, loading springs being fitted to ensure uniform contact pressure.

    Temperature rise tests prove the assigned r atings to be conservative.

    Fixed contacts are fully shrouded for phase separation by enclosu re in heat resisting arc boxes.

    Moving contacts are wedge pattern, hard copper, silver plated, ca rr ied on insulating supports on a sliding carriage, affording double break on each pole.

    The entire moving contact assembly and carriage may be withdrawn from the units by the simple removal of two nuts.

    Operating Mechanism :

    The handle mechanism, of the over-cent re toggle type, is fitted w ith adequate compressions springs to ensure positive quick make and break drive independent of the operators action or hesitation.

    The operating handle is retractable in both "on" and "off" posi tions.

    Interlocks:

    The hinged front door is mechanically interlocked with the operating mechanism to ensure:-

    ( a) that the switch must be set to the OFF posit ion before the doo r can be opened.

    (b) that the door must be closed before the switch can be operated to the ON position.

    Provision is made for authorised persons to override the interlocks to operate the switch with the door open for inspection purposes.

    Flag Indication:

    A positive position indicator, which is driven from the moving contact carriage, is visible beh ind a dear plastic window.

    Acc~ssories:

    A range of optional attachments can be fitted to Century CFS units including:-

    Padlocking Attachments Rear Enclosure Sheets ( FSC Series)

    Dust proofing

    Neutral Links

    Figure Interlocks

    Auxiliary Switches

    Alternate tag arrangements

    Extended Mounting Plates

    FS Series Adaptor Plates

    Solid Copper Links

    HRC Fuses

  • FLUSH MOUNTING COMBINATION FUSE SWITCHES

    ---.

    RANGE

    COMPACT SERIES F.S.C. - F.S.C.N. 60 - 600 AMPS

    SERIES F.S.C.

    Standa rd open backed type unit fer use in all types of sw itchboards where segregated or arc fau lt con tai nment are not req ui red. Front connected tags are sta ndard on a ll un it s up to 600 Amps Fra me C.

    SERIES F.S.C.N.

    An e nclosed version of the FSC series which has been developed for use in compar tmented type switchboa rds enabling seg regation of equipment, busbar a nd cab ling zones to be achieved wi th a minimum of construction. These un its have top and bottom fra mes extended to form a sheet steel enclosu re and connection tags are rear turned on a ll ratings. The dimensions of these un its are the sa me as fo r the FSC series enabling construct ion of a segregated switchboard of minimal dimensions.

    All Centu ry CFS units are ar ra nged Tr iple Pole as standard but are avai lable with Bolted Neutra l fi tted if required.

    FRAM E A FRAME B FRAME C

    FRAME SIZE

    A

    B

    c

    FSC6 - FSCN6 - 60 Amps FSC20 - FSCN20 - 200 Amps FSC40 - FSCN40

    FSCS0/60

    400 Amps - 600 Amps

    FSClO - FSCNl O - 100 Amps

    FSC30 - FSCN30 - 300 Amps FSCSO - FSC NSO - 500 Amps

    FUSE CARTRIDGE SELECTION TO SUIT CENTURY CFS UNITS

    RATING FUSE

    AMPS AMPS GEC M.E.M.

    60 2-32 TIA SB3

    35-63 TIS SB4

    100 32- 63 80-100 TCP sos 2- 63 TBC SF4

    200 80-100 TC SFS 300 125-200 TF SF6

    250-315 TKF SF7

    400 250-315 TKM SG7

    500 350-400 TM SH8 450-500 TIM SH9 600 550-630 TLM SH10

    "ON LOAD" ISOLATING SWITCHES

    Century CFS un its may be fitted with sol id copper lin ks fo r use as a ir break switches to BSS 861 - Part 2, and the fo llowi ng maximum current ratings will apply :-

    FRAME A FRAME B FRAME C

    ISClO - ISCNl 0 - 100 Amps I SC40 I SCN40 - 400 Amps ISC80 - ISCN80 - 800 Amps

    CENTURY C.F.S . UNI TS HAVE BEEN TESTED FOR USE ON D.C. CIRCU ITS. PARTICULARS ARE AVAILABLE ON REQUEST

  • FLUSH MOUNTING

    ~ 0 .. IC COMBINATION FUSE SWITCHES COH'rl\OLB SERIES FSC - FSCN - 60 - 600 AMPS

    Series FSC Units have normal front connected tags as standa rd .

    Series FSCN Units have rear turned back connected tags as standard.

    Alternative arrangements are available in both series.

    NOTE: The 600 AMP Frame C is not avai lable in Series FSCN.

    .

    M OIAHOLE

    rr~>-;J I --ffll I ~ ..

    PHASE TAG DETA IL FRAME C SCJOf 600 AMP

    SWITCH

    MAX RETURN OF EDGE OF CUT OUT ~ .19MM FRAMES A & B ONLY

    · NEUTRAL TAGS

    >------- H

    8 ----------< - ---c ------l CENTRE FIXING HOLES

    1-F-RA_M_E_c_o_N_L_Y~---~ DIA HOL~S I I ~ --1 v I swlTCH I

    N

    I

    - +-1-- - {- Q09~ - __ 1_ I I p I wl I L_ _ __ i

    l I

    Kl v2 --J 2}---i UI I U2 ~ I ~MM EXTENDED CUT OUT

    PANEL DRILLING & CUT OUT

    ONLY WHEN FIGURE LOCK FITTED

    I NCHES

    fPAMENo RATING A B c D E H J Kl K2 L M N p 01 !02 ll s T UI U2 v w XI X2 YI Y2 z zz ·n~.oc. '""' '"~' TAGS TAGS A 60jl00AMPS 8Y2 o~ ~ ~ 3\ 6%, 1.132 31(6 3t6 11)132 I~ ~ 3~ 3~ 2\ 1"{4 f/4 o/.i 4 42 it6 3% 2\ ,19 1la 1't6 % 2~ ~-;.a ~-~ B 1SCJA00 IO~ IT~ 9"3, k ;.'16 4~6 Is '~ 1~2 3~ 4% ·~3, 1 6 4Ji 4~ SU, 3% 2~ ,1~6 ·~6 6~ 6~ 4'.f< 41~ 4>2 12% ·~ 2~ I~ 2% I x~ ~-~6 B 300 IO~ 13'lfi 9!12 4~6 4lf6 ~·~2 ~ 3)ii 4'ki 11 ~/32 1~6 4!{ 4't ISJi, 3~ 2'\ 11:t6 ·~6 6~ 6!t ~% 4'.f6 ~~ 2% ·~ 2% ·~ 2% I/,!•~ %·o/i6 c 400 143/e 18'.?, ·~ 63-11 6% 93~ 1~2 6Y2 6~ I~ 1~-'32 6~ 6Yi6 5~ 5'f6 ~ 2"1

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