Siemens RL Series, Instructions Manual

Page 1: ...SIEME JS A c UYp frr Type R L Low Voltage Circuit Breakers Instructions lnstCl at1on OpcrJ110n rv1a111tcnance SGIM 3068E w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 3: ...s manual and product labels a qualified person is one who is familiar with the installation construction operation or maintenance of the equipment and the hazards involved In addition this person has the following qualifications a is trained and authorized to energize de energize clear ground and tag circuits and equipment in accordance with established safety pract1ces b is trained in the proper ...

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Page 5: ...or 15 Lubrication 16 Circuit Breaker Lubrication Chart 16 Maintenance Parts Replacement 17 19 Contact Replacement 17 Main Contact Fingers 17 Stationary Arcing Contact 17 Hinge Contact Fingers 17 Movable Arcing and Main Contact 17 Tripping Actuator Operation and Replacement 17 Static Trip III Overcurrent Devices 17 Motor CutoffSwitches 19 Fuse Functions 20 21 Current Limiting Fuses 20 Open Fuse Tri...

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Page 7: ...ctive equipment such as rubber gloves hard hat safety glasses face shields flash clothing etc in accordance with established safety procedures Training in rendering first aid 2 Signal Words The signal words Danger Warning and Caution used in this manual indicate the degree of hazard that maybe encountered by the user These words are defined as follows Danger Indicates an imminently hazardous situa...

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Page 9: ...e clean dry and free of such conditions as construction dust corrosive atmosphere mechanical abuse and rapid temperature variations 2 Outdoor Storage OUTDOORS STORAGE IS NOT RECOMMENDED When no other option is available the circuit breaker must be completely covered and protected from rain snow dirt and all other contaminants 3 3 Space Heating Space heating must be used for both indoor and outdoor...

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Page 11: ...partment rack it to the TEST position 11 Open the compartment door Close and trip the circuit breaker Refer to Operation Pages 6 10 for manually and electrically operated breakers During the closing operation observe that the contacts move freely without interference or rubbing between movable arcing contacts and parts of the arc chutes Refer to Operation Pages 6 10 for a detailed description of t...

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Page 13: ...roM above Fasten locking screws through circuit breaker stde plates dnd lifting plates C Lower breaker onto rails Important The rear of the breaker must be tilted downward so that the breaker engages the notch at the rear of the right hand rail shown in circle B Attach crane hook and insert crank into hoist mechatttsm f ye Raise breaker above compartment and fully extend r il D Continue lowering u...

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Page 15: ...insures that the spring charging operation must be completed once started 5 Check current ratings circuit breaker wiring information circuit breaker type and trip device type against the One Line Diagram to assure that circuit breakers arc located in the proper compartments within the Switchgear I 1 jE I 11 6 6 Check the alignment of the Secondary Disconnect fingers This ensures against misalignme...

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Page 17: ... the toggle link rollers 27 moving 13 12 15 12 Detail A FIGURE 2 Circuit Breaker Operator 73 94 the toggle into its upright position as shown in d etail C The closing cycle can be interrupted at any point by operation of one of the tripping means This will cause rotation of trip flap 12 to a position that releases latch 15 allowing toggle linkage to collapse to the position shown in d etail A To m...

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Page 19: ... 753 403 13 y G _Green Indicating Lamp a Aux Switch Contact Open when Breaker is Open b Aux Switch Contact Closed Breaker is Open MDS Motor ON OFF Switch A Secondary Disconnect AL Alarm Contact CB Connection Block 1 cs J T 14 r 6 Diagram shows circuit breaker in OPEN position with closing springs discharged bell alarm reset 12 4E FIGURE 3 Typical Schematic of Electrically Operated Circuit Breakers...

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Page 21: ...al Control Switch CSIT to Trip or Open Breaker OR Push in manual trip rod 94 Drawout Interlock 9 A draw out circuit breaker mechanism includes 1 Means to rack the circuit breaker in or out of the compartment 2 Interlock to prevent racking a closed circuit breaker into or out of any position 3 Interlock to prevent closing a circuit breaker while it is racked to any position between the TEST and CON...

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Page 23: ...ion This requires the manual charge handle to be in the vertical position during racking Note The racking mechanism must be returned to the TEST position before charging the closing springs either in the cubicle 10 or when removed from the cubicle Failure to comply with this requirement may damage the mechanism manual charging will deform the closing hood Electrical charging will result in unexpec...

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Page 25: ...t breaker should be inspected and exercised periodically Always inspect a circuit breaker that has interrupted a heavy fault current 11 0 A DANGER Hazardous voltages and high speed moving parts Will cause death serious personal injury and property damage Always de energize and ground the equipment before maintenance Read instruction manuals observe safety instruc tions and limit use to qualified p...

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Page 27: ...intenance RL Breaker produced beginning June 1991 between SD13 and SD16 and tripping power between SD11 and SD16 Secondary disconnects are arranged with SD1 on top and SD16 on the bottom Examine the operation of the circuit breaker during these operations for any evidence of difficulty erratic operation etc 5 Test the tripping system using an appropriate test set such as the Siemens Portable Stati...

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Page 29: ...ranged with SD1 on top and SD16 on the bottom Examine the operation of the circuit breaker during these operations for any evidence of difficulty erratic operation etc 14 Reinstall arc chutes Close and open the circuit breaker to ensure that the arc chutes do not interfere with circuit breaker operation 15 Test the tripping system using an appropriate test set primary current or secondary injectio...

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Page 31: ...charging handle to the vertical position with considerable force Note Holding the spring release latch down prevents the stored energy springs from propping in the charged position Thus when the handle is returned to the normal vertical position the energy in the springs is released against the closing handle assembly A firm grip must be maintained on the charging handle to counteract the energy s...

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Page 33: ...ully inserted Figure 6 shows the GO NO GO gauge and the manner in which it is inserted between the contact fingers 46 and the upper contact assembly 37 Figure 6a shows use of the GO NO GO gauge on an RL circuit breaker Adjustment is provided by positioning screws 78 after loosening nuts 80 Counterclockwise rotation of screws 78 increases compression Carefully tighten nuts 80 do not over tighten da...

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Page 35: ...and apply Mobilgrease 28 1 Mobilgrease 28 1 Light application of Remove pins clean and Mobilgrease 28 1 apply Mobilgrease 28 1 Light application of Wash clean and apply Mobilgrease 28 1 Mobilgrease 28 1 Do not lubricate Do not lubricate Wipe clean and apply Wipe clean and apply Mobilgrease 28 1 Mobilgrease 28 1 No lubrication required Wipe clean and apply Mobilgrease 28 1 Points where contact is m...

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Page 37: ...emoved and replaced as follows IMPORTANT Extreme care should be taken to hold the assembly firmly to retain spring seat 83 84 and spring 81 82 upon removal of the screws 78 1 7 Remove lower connectors and moving contacts a described in the preceding secti on The complete movable contact assembly may now be brought to the bench The location of spacers should be noted Loosen nuts 80 and remove screw...

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Page 39: ... 53 RL 4 0 0 0 RLE 4 0 0 0 54 5 6 5 G 54 Figure 9 Typical Contact Assemblies jPoge i ssue 0 1 I ns i de 8 1 82 1 8 62 62 62 8 0 8 3 84 8 1 56 6 1 RL 3200 RLE 3200 56 I ns i de 8 1 82 53 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 41: ...Clearance may be minimal approximately 1 64 to 1 1 6 0 4 1 6mm or more It is important to completely remove pressure from the switch actuating leaf to be sure that the switches are free to actuate Note due to pre travel of the DC version of switch 4 the gap is measured between the actuating point of the DC switch 4 and the levers Verify that both switches have actuated at the specified gap The cle...

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Page 43: ...ith one of the CL fuses When the CL fuse interrupts its associated trigger fuse also opens releasing a plunger and precompressed spring contained in the trigger fuse housing See Figure 1 1 On the integrally fused breakers RLF 800 through RLF 2000 this plunger operates arm 3 which moves the latch 1 2 releasing the spring loaded lever 4 This rotates circuit breaker trip flap link 7 This trips the ci...

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Page 45: ... l o Open Fuse Trip Device RLF 3000 through RLF 5000 1 8 755 753 4 l l b Tri er Fuse Assembl Figure ll OpenFuseTrip Device Views and Trigger Fuse AssemblyViews IPo ge i ssue 011 21 15 l l 1 2 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 47: ...f the combination of fuses and circuit breaker is increased to the interrupting rating of the fuses 200 000 amperes symmetrical at 600 volts or less The continuous current rating may be restricted by the fuse size used When equipped with 6000 amperes fuses the RLF 5000 combination is rated at 5000 amperes continuous RLF 4000 combination is rated at 4000 amperes continuous The RLF 3200 combination ...

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Page 49: ...bserve labeling Unlock the racking mechanism using the key from the circuit breaker compartment Check that the racking clevises engage the pins on both sides of the compartment Use the racking crank to rotate the racking screw in a clockwise direction until the fuse carriage reaches its CONNECT position 3 Close the fuse carriage compartment door 4 Operate the key interlock on the fuse carriage whi...

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Page 51: ...should also be replaced when replacing the main power fuses if open phase indication is desired The system will function normally if the trigger fuses are not replaced However phase indication will not be provided Use only Ferraz Shawmut Type Tl 600 trigger fuses in the indicator Siemens Part 72 1 40 31 7 001 Key I nterlock System Each fuse carriage is equipped with an integral key operated interl...

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Page 53: ...and rack circuit breaker to its TEST position 4 Remove the safety barriers of the fuse carriage to allow access to the main power fuses Disconnect the two small No 1 8 AWG wires from the top tenninals of the power fuses Connect the two small wires of each phase together Keep them insulated from the top of the fuse Remove the trigger fuse cover and remove the trigger fuses 5 Close the circuit break...

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Page 55: ...ncludes an internal fuse This fuse is not designed to protect the device but rather is intended to avoid damage to the user s control power supply in the event of failure of the Undervoltage device If the fuse is blown damage to the Undervoltage device is likely and the device should be replaced 26 Latch Check Switch This option is a small switch mounted on a bracket The switch operator is adjuste...

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Page 57: ... 44 Figure 32 Auxiliary Switch Group 45 Figure 33 Static Trip Group 46 Figure 34 Tripping Transformer Group 47 Figure 35 Tapped Sensor Connections 48 Figure 36 Communications Options Group 49 Figure 37 Integrally Fused Breakers 50 Figure 38 Fuse Carriage 5 1 Figure 39 Key Interlock 52 Figure 40 Open Fuse Sensor 53 5 When ordering relays or other electrical parts include control voltage see recomme...

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Page 59: ... 0 0 8 7SS 7SJ 11 16 2 0 2 Figure 16 Rl Breaker Assembly Part 1 jPo gE i SSUE 01j 28 24 0 24 1 242 L Rock i ng B l ock Rock i ng Pos i t i on Stop for R L 3 2 0 0 thru RL 5 0 0 0 236 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 61: ... 5000 Item 1 61A 1 6 1 B 1 62 1 62A 1 62C 1 620 1 62E 1 62F 1 63 1 64 1 65 1 7 5 176 1 85 200 200A 200B 201 202 224 224A 225 225A 203 226 226A 236 236A 236B 236C 237 237A 238 29 239 240 241 242 243 244 245 Description Part Number Barrier 1 8 657 962 1 22 Barrier 1 8 657 937 284 Support 1 8 732 790 052 Support 1 8 732 790 055 Support 1 8 732 790 056 Support 1 8 734 6 1 7 002 Support 1 8 734 6 1 7 0...

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Page 63: ...Parts 5 Typ i cu l RL 2000 Dl 8 7 RL Brea Figure 1 6 ker Assem Y bl Part 2 1 5 1 6 I 7 1 8 1 9 2 0 30 38 37 3 0 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 65: ...ription Part Number Upper ContAssy _ _ 1 8 734 436 501 Upper Cont Assy 1 8 732 791 535 UpperContAssy 18 732 791 536 Upper Cont Assy 18 732 791 537 Usage RL 1600 Stationary RL 2000 RLE 2000 Stationary Left RL 2000 RLE 2000 Stationary Center RL 2000 RLE 2000 Stationary Right 370 UpperConiAssy 1 8 398 289 501 RL 3200 37P Upper ConiAssy 1 8 398 289 502 RL 400 LE _4000 2Z P JT ii P r C J B f b YliB 8 9...

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Page 67: ...l 87 88 1 4 0 89 I i I i I 144 233 97 Typ i ca l RL 2 0 0 0 er7 r j I i i j i I 77 1 IB 1 I J Ue 1 01 2 5 24 1 Figure 18 RL Breaker Assembly Part 2 continued 32 1 8 74 75 85 169 1 7 0 1 08 185 i I I I Ii I i I I II i iI ___ _j w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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Page 69: ...u RL 5000 1 74 RL 3200 thru RL 5000 1 77 1 77A RL 3200 thru RL 5000 178 1 78A RL 3200 thru RL 5000 179 RL 800 thru RL 1600 1 80 RLE 2000 RL 2000 1 8 1 RL 3200 thru RLE 4000 1 82 RL 5000 1 84 RL 800 thru RL 1600 1 85 RL 2000 thru RL 5000 1 85A 1 85B 220 RL 3200 thru RL 5000 221 RLE 2000 227 228 RL 3200 thru RL 5000 233 234 235 239 Rl 3200 thru RL 5000 240 241 RL 3200 thru RL 5000 243 245 RL 3200 th...

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Page 71: ... Sichsl 00 000 401 141 1 Pin 1 8 57 937 279 Q _ Puge i ssue Oj MovClb l P Usage l ower Rl 3200 RL 4000 RLE 4000 RL 5000 RL 3200 RL 4000 RLE 4000 RL 5000 All RLE RL 5000 RL 4000 RLE 4000 RL 5000 RL 3200 RL 3200 34 Item 71 A 71 B 72 73 75 76 77 78 79 80 81 82 83 64 147 148 148A 148B 149 150 Description Part Number Pin Pin 1 8 57 937 280 18 58 143 253 Washer Spacer Nut X Washer Pushrod Screw Spec Was...

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Page 73: ...n Contact 1 8 727 729 503 83B Spring Seat 1 8 658 583 522 RU 800 Note 2 62A Main Contact 1 8 732 790 598 AII RLE 84 Washer 00 651 027 1 70 63 Spacer 1 8 755 707 004 1 47 Barrier Support 1 8 657 963 214 RL 2000 RLE 2000 63A Washer 00 651 017 357 RLI RLE 800 148 Barrier 1 8 734 61 9 001 RL 2000 RLE 2000 64 Spacer 1 8 755 707 007 RL RLE 1600 148A Barrier 1 8 658 1 1 0 120 RLE 800 Left 64A Spacer 18 7...

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Page 75: ...56 1 0 1 62 63 69 7 0 1 02 1 03 1 04 i OS 1 06 V 1 ew F F 1 24 60 6 1 1 1 2 NUTS FAR SIDE 800 AMP ONLY 68 62 63 36 I I 1 1 8 1 1 9 3 V i ew E E 1 42 B 1 4 i 53 SMr LL FRAME 54 l ARGE FRAME I 6 r 1 1tti rm I 1 u c r I I 34 92 V 1 2 i D D 9 l 0 I I r f ri l 94g 1 8988 78 F f L 1 25 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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