JOSLYN CLARK VACUUM CONTACTORS

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Oscar Neal
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1 COLTERLEC ELECTRICAL ENGINEERING PRODUCTS SECTION JOSLYN CLARK VACUUM CONTACTORS COLTERLEC ELECTRICAL ENGINEERING PRODUCTS 339

2 TM CONTENTS Joslyn Clark - New 300Amp, 1140 Volt Heavy Duty Mining Vacuum Contactor USAVAC Compact International AC Vacuum Contactor USAVAC Low Voltage AC Vacuum Contactor USAVAC Medium Voltage AC Vacuum Contactor

New 300Amp, 1140 Volt Heavy Duty Mining Vacuum Contactor International ratings for worldwide applications. Designed to IEC 60947-4-1, UL508, and CSA 22.2 standards. Cat No.

1/120VAC or 220/240VAC 8kV AC1 at 40C = 330 A AC1 at 60C = 300A AC3 417kW - 1140Vac AC4 140kW - 1140Vac 50-60Hz Rated Frequency Making Current operating 3kA @ 1140V Interrupting Current 3kA @ 1140V

3 New 300Amp, 1140 Volt Heavy Duty Mining Vacuum Contactor International ratings for worldwide applications. Designed to IEC , UL508, and CSA 22.2 standards. Cat No. 3 Pole 1140V Insulating and Operational Voltage Control Voltage Rated impulse withstanding voltage Rated operating current utilization category AC1 Rated Power for AC loads 300Amp CV77U033A VAC 1/120VAC or 220/240VAC 8kV AC1 at 40C = 330 A AC1 at 60C = 300A AC3 417kW Vac AC4 140kW Vac 50-60Hz Rated Frequency Making Current operating 1140V Interrupting Current 1140V Short Time Current 50 m Sec..0kA 1 Sec. 6.0kA Sec. 2.4kA Electrical Life AC3 Duty Switching Frequency Operating Range Closing Power VA Holding Power VA Auxiliary Contacts - Standard* Application Ratings Ambient Operating Temperature Range 1.0 million 600/hr (every 6 seconds) -30% +25% at Range Voltage 1680VA < 0ms Duration 17VA 2NO & 2NC *4NO & 4NC available on request All Planes (Contactor only) -25 C + 60 C As one of the most demanding industries for rugged duty, mining equipment requires reliable power switching and motor-starting solutions to ensure dependable productivity in harsh environments. Joslyn Clark vacuum contactors are recognised by the leading coal-mine machine builders for applications on long-wall mining equipment, continuous miners, conveyors, power centers and other related equipment. Joslyn Clark s newest product, the rugged 300Amp, 1140 Volt Vacuum Contactor, meets the specific power requirements of the mining industry and offers several other benefits such as a small footprint and front accessibility. It also features a long electrical life and the kind of durability and reliability you ve come to expect from Joslyn Clark vacuum contactors. COLTERLEC ELECTRICAL ENGINEERING PRODUCTS 341

TM USAVAC Compact International AC Vacuum Contactor International Ratings for World Wide Applications UL Listed CSA certified 600V/ 660V/ 00V/ 1500V USAVAC Compact International AC Vacuum Contactor

The compact design provides flexibility for retrofitting to all existing air break contactors, thus enabling an existing application to continue with maintenance cost and down time eliminated.

4 TM USAVAC Compact International AC Vacuum Contactor International Ratings for World Wide Applications UL Listed CSA certified 600V/ 660V/ 00V/ 1500V USAVAC Compact International AC Vacuum Contactor Joslyn Clark s unique Compact AC & Starters are ideal for tough industrial applications. The compact design provides flexibility for retrofitting to all existing air break contactors, thus enabling an existing application to continue with maintenance cost and down time eliminated. Suitable for worldwide applications and for use with all types of motors including high efficiency IEC motors IEC HP/KW rated 400A or 600A and 660V/00V/ 1500V AC - UL508 Listed CSA22.2 certified IEC Definite Purpose rated 400A or 600A and 660V/ 00V/ 1500V AC - UL508 Listed CSA22.2 certified IEC Features Front accessible Compact Fully phase insulated Long Mechanical Life Mounts in any plane Lightweight Quiet Rugged Long electrical life Mechanically interlocking available Starter and mechancially interlocked versions available Description 400Amp 1500V 600Amp 1500V Cat 3 Pole 1.5KV CV 77U034A15-* CV77U036A15-* Auxiliary Contacts - Standard 1 NO & 1 NC Insulating and Operational Voltage 1500 Volts Rated Oper. AC1 425 Amps 600 Amps Rated Oper. AC3 850 HP 650KW-1500V 1200 HP 900KW-1500V Rated Oper. AC4 650 HP 570KW-1500V 950 HP 700KW-1500V Rated Frequency Hz Making Current 4000 Amps 6000 Amps Breaking Current 3200 Amps 4800 Amps Short Time Current 1 Sec. Sec A 3200 A 9000 A 4800 A Mechanical Life 1.2 x 6.75 x 6 Electrical Life AC3 Duty 1 x 6.5 x 6 Switching Frequency 600/ Hour (1 every 6 sec) 300/ Hour (1 every 12 sec) Operating Range -15% +% - over Range Voltage Inrush Power VA 10VA 120ms Duration 1600VA 120ms Duration Holding Power -12VA -12.5VA Recommended CPT 500VA Machine Tool Transformer 5% Regulation at 20% pf Mounting Installation All Planes (Contactor only) Ambient Operating -40 C +50 C Weight 11.8kg 12.7kg Part No. AK1 Description 2NO/ 2NC auxiliary contact kit for CV contact, A 600VAC to a maximum of 3NO & 3NC

USAVAC Low Voltage AC Vacuum Contactor International Ratings for worldwide applications. UL listed and CSA certified to 1.5KV. UL and CSA recognized to 3.6KV.

6KV 320Amp 600Amp 00Amp VC77U03536 VC77U03636 SVC77U0336 Auxiliary Contacts - Standard Maximum 2 NO & 2 NC Rated Insulating and Operational Voltage 3600 Rated Operational Current 320 600 00 Rated

5 USAVAC Low Voltage AC Vacuum Contactor International Ratings for worldwide applications. UL listed and CSA certified to 1.5KV. UL and CSA recognized to 3.6KV. USAVAC Low Voltage AC Vacuum Contactor Cat No. 3 Pole 3.6KV 320Amp 600Amp 00Amp VC77U03536 VC77U03636 SVC77U0336 Auxiliary Contacts - Standard Maximum 2 NO & 2 NC Rated Insulating and Operational Voltage 3600 Rated Operational Current Rated Frequency 50/400Hz Making Current Breaking Current Short Time Current 1 Sec. 2 Sec Mechanical Life 2 x 6 Electrical Life at Rated Current - AC3 1 x 6 Duty Switching Frequency 600/hr every 6 seconds Rated Control Voltage 120/240V 50/400Hz Allowable Fluctuation +% of rated -25% voltage Note that other coil voltages may be available upon request. Closing Power VA/ Duration 950VA/17MS 1900VA/17MS 2850VA/17MS Holding Power 9VA 18VA 27VA Recommended Control Transformer Installation when required 250VA when required 500VA when required 750VA All Planes (Contactor only) Ambient Operating -40 C + 57 C Weight 5.45kg 11kg 16.36kg Dimensions 225 x 189 x 450 x 189 x 200mm 200mm 676 x 189 x 200mm The Joslyn Clark USAVAC low voltage vacuum contactors are ideal for applications from 200V to 3600V, and motor rating for 50 to 500Hp at 460 volts. Contactors are available open Type. The low voltage vacuum contactors incorporate many useful features to insure ease of maintenance, versatility, and reliability. A three phase contactor contains ten basic parts. The contactor can be assembled or dismantled without the use of any tools. Mechanically held and mechanically interlocked versions are available. COLTERLEC ELECTRICAL ENGINEERING PRODUCTS 343

6 TM USAVAC Medium Voltage AC Vacuum Contactor International ratings for worldwide applications. UL recognized and CSA certified to 7.2KV. USAVAC Medium Voltage AC Vacuum Contactor Joslyn Clark USAVAC medium voltage vacuum contactors are ideal for applications from 2300V to 7200V and offer many unique features to create easy maintenance, dependability and versatility. Current ratings of 200, 400, and 600 Amps, and motor ratings up to 7000 Hp at 6600V are available. Mechanically held and mechanically interlocked versions are available. Features 7200V, 600 Ampere, 3 phase vacuum contactor with In-Line Power Terminals 400 Ampere, 3 phase vacuum contactor with alternative line terminal position enabling line and load termination to be on same side of contactor. Ideal for dropout starter designs. Can easily be converted. Cat No. 3 Pole 7.2KV 200Amp 400Amp 600Amp 1200Amp MVC77U032A72 MVC77U034A72 MVC77U036A72 SVC77U Rated Operational Current Rated Frequency 50/60Hz - Short Time Current 1 Sec, KA Sec. KA Sec. KA Mechanical Life.75 x 6 Electrical Life at Rated Current.6 x 6.40 x x x 6 Switching Frequency 300/hr Rated Control Voltage 120/240V 50/60Hz AC or 125/250V DC Note that other coil voltages may be available upon request. Allowable Fluctuation +-15% +-20% Closing Power VA/ Duration 650VA/45MS 1300VA/45MS Holding Power 7VA AC.47A DC 14VA AC.92A DC Recommended Control Transformer (AC only) 300 VA 600 VA Weight 22kg 44kg

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Low & Medium Voltage Vacuum Contactors

Low & Medium Voltage Vacuum Contactors www.joslynclark.com Joslyn Clark s Compact CV Series Vacuum Contactors and Starters are ideal for tough industrial applications. The compact design provides flexibility