ya d B af bblh Std M8 main terminals 97 > to be tightened within ; ; 91 . the range 8 to 9.5 Nm All dimensions ~~ ~ in millimetres {agp -- 49, 5 pp t+ 36 ~~ 8 | Optional microswitch (; if t= auxiliary contact | 4 if 4= y can be fitted here : Normally 40.1 [| J ) closed a fixed contacts QUA BRD. 8 Pen [dE .DIMENSION DRAWINGS 127 95 205 ~- M8 terminals | 77@ 38 22.2 \ y ++6)@ 17.5 Optional barriers 4 holes each can be fitted here side M4 6mm spade terminals 18 for coil connection ry M8 main terminals to be tightened within por * the range 8 to 9.5 Nm 30.4 501 +295 91 The contactors can be mounted either horizontally or vertically. If mounted vertically the contact studs must point upwards. All dimensions in millimetres 20.5 M8 terminals n 2 > 5 ; 8 | A c 99 795 S) te wo IE | 2 TOO | Ww Optional barriers 52 can be fitted here 6mm spade terminals for coil connection M8 main terminals to be tightened within iB the range 8 to 9.5 Nm 4. 447 oe 18 143 All dimensions in millimetres Pull-in voltages are approximately 60% and 66% of the rated voltage for intermittent and continuously rated types respectively. Drop-out voltage is nominally 10% of rated voltage. Variations from these pull-in and drop-out figures can be engineered to suit particular applications. UE a a ty The contactors can be mounted in _ pairs on a common bracket together with inter-connecting electrical links. The most important of these arrangements are the motor reversing circuits provided by the SW88 and SW822 contactor pairs. The SW88 type has a built in failsafe so that if both coils are energised simultaneously the contact design creates an open circuit situation. The SW822 types have fast drop- out times (approx 5 m.sec.) and relatively slow pullin times (approx 20 m.sec). Therefore motor direction changes can be undertaken without risk of ail contacts being closed at the same time. However, certain types of coil suppression such as diodes substantially increase drop-out times and care must be taken to ensure suitable suppression is fitted, e.g. diode and resistor in series. MAGNETIC BLOWOUTS 8 The single pole types (excluding P versions) can be fitted with permanent magnet blowouts. These enable the contacts to switch DC. voltages of 48 or higher. Fitting of blowouts makes the contacts polarity sensitive and the Positive markings on the top cover of the contactor must be observed. The suffix B denotes the fitting of magnetic blowouts, for exarnple SWSOB. PO ede Ua EY A double circuit normally open, normally closed microswitch can be fitted which has a D.C. resistive rating of 5 Amperes at 24v. The suffix A should be added to the type number when an auxiliary contact is required, for example, SW80A. Aiur oA ee - a8 wate eee be , a, n,DIMENSION DRAWINGS SW80P & inch 281 inch SW85P 4 | wide slot alternative - 23 inch slot centres | ~~ 33 inches 57 445 tT 42 48.25 | | 22 i yd 1@@ 422.2 M4 coil 5.2 dia terminals 4 165 ee 93.3 __-} ; 203 ' | ane i i Ma | >| 16.2 } main | 679 terminals ! fAN @& ! SE ye dee ee bracket 2070-295 +- to be tightened within PROTECTED CONTACTORS All dimensions in millimetres except where denoted in inches M8 main terminals the range 8 to 9.5 Nm 2 593 ---__ >| fr 286 | ol | gel The contactors can be mounted either horizontally or vertically. If mounted vertically the contact studs must point upwards with the exception of the SW85 and its derivati the contact studs pointing downwards. which should be mounted with 22.2 rc 283-41 M4 coil Te M8 main i 96.5 64.2 19.7 terminals | >, terminals ~~ ~ @LO | OO M8 main terminals to be tightened within the range 8 to 9.5 Nm All dimensions in millimetres PROTECTED CONTACTOR oO Oo 6.5 min. centres +| " iis ee The SW80 range of contactors have standard contacts which are 8 mm diameter. These are suitable for the majority of applications where switching conditions are relatively light, particularly on electronically controlled vehicles. However, in applications where more severe conditions exist, e.g. pump motor switching, all types are available with larger contacts 10.3 mm diameter. The suffix L denotes larger contacts, PROTECTED CONTACTORS 'P All types can be fitted with closed contact housings as a low cost option to provide protection against environmental dust. However special versions of the SW80, SW82, SW85 and SW822 contactors are available which are protected against particularly adverse environments such as water spray, airborne dust etc. These contactors which have the suffix P are sealed in an inert plastic case and are fitted with mounting brackets as shown in the drawings. Magnetic blowouts cannot be fitted to these types and therefore under normal circumstances the maximum voltage which can be switched by the SW80P is 48v DC. although the types SW82P and SW822P by virtue of their double pole configuration may be used up to 96v DC. Auxiliary contacts can be fitted to the SW80P and SW85P but some loss of protection will result. ew n oat ortBe et ee wv NEW... D.C.88 and D.C.92 CONTACTORS The DC88 is a new concept in reversing contactors for DC motors. it has a monoblock construction and it comprises two single pole changeover contactors configured in such a way so that all the necessary links for DC motor reversing applications are contained within the contact housing. This results in a neat compact design which !s compatible with modern electronic control systems. A variety of methods for mounting _.. the contactor are available: (1) An integral bracket. (2) Tapped holes in the contactor frame for direct panel mounting. (3) A separate bracket, part number 2070-40 for mounting the contactor at 90 to a panel. The DC88 is physically and electrically interchangeable with the SW88 reversing contactor. The main terminals canbe - onal listed A paired single pole on/off configured in a variety of ways in Similarly all the optional extras liste contactor can also be supplied. order to suit the application layout. apply: This is the type DC92 and this All the features described in this Magnetic blowouts (suffix B) contactor can also have integral brochure for the other contactors in Auxiliary contacts (suffix A) links for the main poles if required. the SW80 range apply to the DC88. Large contact tips (suffix L) Bett: ~ Main Te M8 main terminals M8 x 12 Main Terminal to be tightened within : Screws (4) the range 8 to.9.5 Nm Optional microswitch can be fitted in _] these positions. PANEL MOUNTING VERSION [or | 175 90 A 175 LL i | p | / l +-75 plus cable Optional Barriers lug thickness [ 12.7 can be fitted here mm spade 16 Holes M4 terminals on : : auxiliary contacts ~ 18 : = aon : . - es @ fF OF 7 | | 30.1 845 t 6mm spade i j 4 terminals for coil ~~~ : connection Lt L | / 785__ 4 5,2 dia holes je, 97 ___ Part No 2070-40, includes screws and washers Motor armature Links eae N'O N'C N'C N'O _ The contactor can be provided | opto links mounted horizontally or Links within contactor | 4 vertically if mounted vertically, i main terminais must porn eanin assembly ee \_. ' upwards. is secembly OC 92 AUXILIARY CONTACT All Oimesians in mm. 7 OC 88 @ = Main terminal , All the pertormance data for these new types are included in the last page of this brochure.~ Single Pole Single Throw Single Pole Doubie Throw Single Pole Single Throw (Off/On) (On/Off) Contactor (Changeover) Contactor Normally Closed Contactor N'O N'C N'C N'O | Aux contact i 4 N'C N'O N'O N'C _ Aux contact +L bogs ee] ee or , J os a SWE? une | Paired Single Pole Double Throw Paired Double Pole Single Throw Double Pole Single Throw o- | | { 1 I | Contactor. Complete with necessary Contactor complete with links for Contactor links for motor reversing motor reversing TI Motor + IIe Links provided on Main Motor 4 armature Motor field Contactor assembly contacts my], Oo 0 Motor wo t I ay | armature alo nal B = Links provided on contactor assembly _ Add 20 gms for each auxiliary Add 50 gms for each sei of blowout magnets. SW80 350 gms SW82P 9450 gms SWw84 430 gms SW88 910 gms SW93 750 gms SW80P 390 gms SW822 920 gms SW85 360 gms Sw90 Ss: 8810 gms SW82 430 gms SW822P 960 gms SW86 890 gms Sw92 730 gms EE er eR U2 ae | $2] Po | . wo| 2>8 Main t Ss | 23 | 2 los | B85] S39 ain e XE D 2O | Ocoee] E51 5s number 38 | $3 | $8 | 838/883! 282 Fitted with SW80 0 O 0 Oo 0 0 auxiliary contacts Ssw8e ON N O}]0;,0;,0 | magnetic blowouts Swe4 | 0 0 O oO 0 N SW85; O 0 0 0 0 0 Swseo A B-43 L P swse| O oO S 0 0 N Preci DC88} O O $ 0 Oo N recise | identity suffix swee; O | O 7S | oO} ON Fitted with swso} O |, O | S | O}] O| N itted wi large contacts bese} 9 | 0 S| o 7} Oo} N Protected / SWg2 | O 0 S 0 Oo 0 rotecte version sw3} 0 | o | s | 0] of oO O = Optional Extra S = Standard Feature = N = No? Available 12VDC 4924VDC 8 =0636VDC) = 48VDC =O BO0V DC 72VDC~ BOVE Intermittently rated coils (ohms) 9 29 73 120 212 305 365 Continuously rated coils (ohms) 14 52 120 212 305 458 600Ps eS Thermal current rating (100%) intermittent current rating 30% duty 40% duty 50% duty 60% duty 70% duty 100 Amperes ; 180 Amperes 160 Amperes 150 Amperes 130 Amperes Tonal Lee le meee ete bk ee Le 120 Amperes 900 500 } tm, h 100A Continuous