MEDIUM VOLTAGE AIR INSULATED ARC-RESISTANT LOAD BREAK AND DISCONNECT SWITCHES Description JRS arc-resistant fused/non-fused load break and fused/non-fused disconnect switches are available for applications ranging from 5kV to 25kV in 600 A and 1200 A load interrupting ratings and up to 4000 A for non-load break disconnect switches. JRS supplies custom-engineered designs for tight spaces and builds extremely rugged equipment for harsh environments. JRS integrates equipment from a multitude of equipment suppliers while providing quick turnaround. NOMINAL DESIGN VOLTAGE (kv) MAXIMUM RATED WITHSTAND RATING (ka) CONTINUOUS CURRENT (A) 2 S MOMENTARY LBS DISC DIELECTRIC INSULATION LEVELS 60 HZ 5 25 40 600 19 60 5 38 61 1200 19 60 5 50 80 2000 19 60 5 62.5 100 3000 19 60 15 25 40 600 36 95 15 38 61 1200 36 95 3 50 80 2000 36 95 15 63 100 3000 36 95 25 25 40 600, 1200 60 125 Consult the factory for assistance Applicable Standards ANSI/IEEE C37.20.3 Metal Enclosed Switchgear EEMAC G14-1 1987 BIL Features Each unit is custom engineered to meet the customer s unique specification and dimensional requirements. Standard features include: Type 2 arc-resistant construction Heavy duty, mostly welded steel construction Heavy duty hardware welded on (not bolted on) for added strength Design allows for close couple bus coordination to a transformer Key interlock between the operating handle and the fuse access door Reinforced viewing window to confirm the position of the switch blades Modular design allows for addition of new sections at either end of existing lineup Manually or electrically operated load break or disconnect switches, from different manufacturers Indoor and outdoor designs available As these units are custom designed, JRS is able to offer a wide variety of options. For custom requirements not listed below please consult the factory. Surge arrestors Electrical tripping of the load break switch (shunt trip) Infrared inspection windows (Arc rated) Custom colors for interior and exterior Powder coating Anti-condensation heaters, including in-plenum vents Can be fully integrated in a JRS E-House with plenum and venting CT and PT and associated metering Motor operated switch Shunt trip
MEDIUM VOLTAGE AIR INSULATED ARC-RESISTANT LOAD BREAK AND DISCONNECT SWITCHES 15KV 600A Arc-resistant load break switch line up with separate main cable termination compartment Construction Details JRS has in-house metal enclosure design and manufacturing capabilities allowing flexibility with equipment design and dimensions. Typical enclosures feature: Heavy steel construction: 10 (ga) sheeting, ¼ inch wall structural tubing, ¼ & ½ inch stiffening angles. Paint: Phosphate wash, white enamel inside, ANSI grey epoxy outside For outdoor applications a zinc rich primer is used for additional corrosion resistance Tin plated insulated copper bus Modular construction: Lineup can be extended from either side without any additional modifications. Custom designed heavy duty thumb screws to allow for the fastening of the door without the use of hand tools Heavy duty top lifting lugs Arc by-products venting prevents excessive pressure within switchgear 15 kv Arc-Resistant Load Break Switch Testing and Warranty JRS submits 100% of custom-designed and built equipment to rigorous in-house testing. Standard testing: - Power frequency voltage 1 min. dry withstand - Point to point testing for control wiring - Contact resistance test Additional tests (Optional): - Heat rise - BIL test - FAT as per customer test plan - Partial discharge test Warranty is 12 months from date of placement in service or 18 months from date of shipping. Extended warranties are also available. Typical Dimensions & Weights (Custom designs are available) HEIGHT WITHOUT MINIMUM TOP CLEARANCE WITHOUT HEIGHT WITH WIDTH DEPTH WEIGHT 5kV/15kV 90-95 80 120" - 125 42-48 50-72 2500 lbs - 3500 lbs 25KV 105-110 80 135" - 140" 48-54 65" - 85" 3500 lbs - 4500 lbs 5 kv dimensions can be reduced further Contact factory for custom dimensions
MEDIUM VOLTAGE AIR INSULATED ARC-RESISTANT LOAD BREAK AND DISCONNECT SWITCHES 4 4 2 1 2 3 5 6 Legend 1. Load Break Disconnect Switch 2. InfraRed (IR) Window 3. Bus Compartment/Transformation Connection Bus 4. Arc Exhaust Vents 5. Fuses 6. Surge Arrestors Ordering Information 1245 Border St. Winnipeg, MB R3H 0X9 Canada P: 204.775.8561 TF: 877.285.0991 E: sales@jrs.ca
SEL-JBX SERIES MINE-DUTY MEDIUM-VOLTAGE JUNCTION BOX Description JRS SEL-JBX series junction boxes are used to provide a convenient point for termination, connection, and splitting of medium-voltage mining cables. The JRS junction box is designed for use in harsh mining applications and features a high-strength enclosure and door, rugged door hinges or bolted door with mounting lips, conservative electrical clearances and corrugated standoffs for use in dusty or humid environments, and optional high-voltage indicators with viewing windows for increased safety. JRS stocks key components and is able to provide quick delivery on a variety of units. 15 kv SEL-JBX SERIES Low profile junction box High-voltage indication lights Specifications Rugged mine-duty enclosure, 10 ga welded steel, high-strength steel tubing reinforcement Special paint finish for corrosive environments 5 kv and 15 kv rated units are certified under CSA C22.2 No. 31-10 Higher voltages carry CSA SPE 1000 Special Inspection Tin-plated copper bus Heavy duty bolted door with handles Stainless-steel hardware Mounting lip to hold door when installing or removing Corrugated 15 kv standoff to provide increased creep distances for dusty environment Cut-outs with cover plates for cable entry/exit High-Voltage warning labels JRS is able to design and supply junction boxes for a wide range of different applications. include, but are not limited to: Number of cables in Hinged door and out Viewing/IR windows Placement of cable Voltage indication lights cut-outs Disconnect switch ¼ Steel-plate construction Mounting wall, skid, t-plate, etc. Insulators sized to system fault levels Various gland-plate options for cable connectors Number and type of lugs on phase bus 25 kv units available Grounding equipment (ground balls, copper angles, lugs, etc) Ground-check circuit interlocking to door Outdoor construction with gaskets and anti-condensation heaters Stainless steel enclosures Posi clamp
SEL-JBX SERIES MINE-DUTY MEDIUM-VOLTAGE JUNCTION BOX 15 kv unit with switch, 3 cables in and 3 cables out All JRS SEL-JBX Series junction boxes are fully tested, including: All bolts, seals, and joints are tested HV Indicators are tested Labelling is inspected Switches (if included) are tested for operation, including local and/or remote operators, interlocks, cabling, connections, etc Extensive photos are taken and archived for future use High-potential (high-pot) testing Optional heat-run testing Optional impulse testing Optional BIL rating to 110 KV Warranty is 12 months from date of placement in service or 18 months from date of shipping. Extended warranties available. Codes, Standards & Regulations The SEL-JBX Mine-Duty Medium-Voltage Junction Box is CSA certified. 15 kv two incoming knock-outs and two outgoing knock-outs Ordering Information 1245 Border St. Winnipeg, MB R3H 0X9 Canada P: 204.775.8561 TF: 877.285.0991 E: sales@jrs.ca Junction box with stainless steel enclosure on skid
ARC-PROTECTOR ARC-RESISTANT SWITCHGEAR Medium Voltage Air Insulated Arc-Resistant Switchgear Two-High Construction Front View Description JRS offers a unique advantage by custom engineering and manufacturing Arc-Protector Arc-Resistant Switchgear to your application-specific requirements. We deliver flexibility through expertly integrating components including breakers from all major OEMs. JRS arc-resistant switchgear directs the energy released from an arc-flash incident and channels it safely through the vertical isolation plenum away from personnel and adjacent equipment. Features Engineered to meet customer s unique specification and dimensional requirements Custom engineered remote racking system Heavy duty, mostly welded steel construction with horizontal draw out vacuum circuit breakers Available with circuit breakers from all major manufacturers (Eaton, GE, ABB, Schneider, Siemens, Toshiba, Tavrida) Custom engineered arc exhaust system integrated into JRS E-House to allow the arc to vent into secured areas. Can be custom designed to integrate into customer s installation Heavy duty hardware welded on (not bolted on) for added strength Dedicated middle control section completely isolated from primary circuit power components Modular design allows for addition of new sections at either end of existing lineup Indoor and outdoor designs available Back View Dedicated Middle Control Section Electric Ratings MAXIMUM DESIGN VOLTAGE (KV) MAXIMUM RATED INTERRUPTING RATING (KA) CONTINUOUS CURRENT (A) DIELECTRIC INSULATION LEVELS 60 HZ BIL 5 63 1200, 2000, 2500, 3000, 4000 (*) 19 60 15 63 1200, 2000, 2500, 3000, 4000 (*) 36 95 25 40 1200, 2000, 2500, 2750 60 125 Typical Dimensions & Weights (Custom designs are available.) HEIGHT WITHOUT MINIMUM TOP CLEARANCE WITHOUT HEIGHT WITH WIDTH DEPTH WEIGHT INDOOR-2 HIGH 120 80 145 40 108 3500 lbs * Forced ventilation required
ARC-PROTECTOR ARC-RESISTANT SWITCHGEAR Heavy duty fastening hardware and latches Shown: modular design interface to another section Built-in and PLC controlled remote racking system (**) Independent remote control section, including protection relays, metering and breaker control Anti-condensation heaters, including in-plenum vents Construction Details Heavy steel construction: 10 (ga) sheeting, ¼ inch wall structural tubing, ¼ & ½ inch angles. End section walls are insulated double 10 (ga) steel with structural tubing support and specialized extension covers on the bus section. Available in single or two-high construction. Modular construction: lineup can be extended from either side without any additional modifications. Paint: phosphate wash, white enamel inside, epoxy outside Fastening: custom heavy duty hardware and latches, operated with a single heavy duty handle Exhaust channels: dedicated channels for each compartment Strategically placed natural cooling channels Tin plated copper bus Control wiring, SIS grey, AWG #14 CT wiring: SIS grey, AWG #12 Heavy duty top lifting lugs Applicable Standards ANSI/IEEE C37.20.2 - Metal-Clad Switchgear EEMAC G14-1 1987 All gear must pass our testing before leaving the factory Ordering Information 1245 Border St. Winnipeg, MB R3H 0X9 Canada P: 204.775.8561 TF: 877.285.0991 E: sales@jrs.ca Tested and meets type 2B classification Testing and Warranty Type testing: conducted at a certified and independent test laboratory to meet the requirements of a type 2B classification. Standard testing: Power frequency voltage 1 min. dry withstand Partial discharge test Point to point testing for control wiring Optional additional testing: Heat rise BIL test FAT as per customer test plan Warranty is 12 months from date of placement in service or 18 months from date of shipping. Extended warranties available ** Available with GE PowerVac breakers