Siemens 3AH35-MA Instruction Manual
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Siemens 3AH35-MA Instruction Manual

Siemens 3AH35-MA Instruction Manual

Vacuum circuit breaker magnetic-actuator operator module
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77617000041
Type 3AH35-MA
Vacuum circuit breaker magnetic-actuator operator module
instruction manual
usa.siemens.com/sdv7

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Summary of Contents for Siemens 3AH35-MA

  • Page 1 77617000041 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module instruction manual usa.siemens.com/sdv7...

  • Page 2: Qualified Person

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Hazardous voltages and high speed moving parts. Will cause death, serious injury or property damage. Even if the circuit breaker and control circuits have been de-energized for a long time, the power supply capacitors will maintain significant stored energy.
  • Page 3 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Stored energy and high speed moving parts. Will result in serious injury. Fingers can be crushed by the magnetic actuator. Do not remove guard panel. Do not operate circuit breaker if guard panel removed.

  • Page 4: Signal Words

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Introduction Hazardous voltages and stored energy. Will cause death, serious injury or property damage. Even if the circuit breaker and control circuits have been de-energized for a long time, the power supply capacitors will maintain significant stored energy.
  • Page 5 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Hazardous procedures 3. Always let an interlock device or safety In addition to other procedures described in this mechanism perform its function without forcing instruction manual as dangerous, user personnel or defeating the device.
  • Page 6 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Installation checks and functional tests Introduction 4. Discharge the capacitors (106.2) by unplugging This section provides a description of the the connector (105.2) from the controller board inspections, checks and tests to be performed on (105.0).
  • Page 7 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 60.1 60.0 59.0 58.0 54.0 105.1 104.0 53.0 105.0 105.2 106.1 106.1 Item Description 53.0 Close pushbutton (black) 54.0 Open pushbutton (red) 105.0 58.0 CLOSED/OPEN indicator 59.0 Operations counter 105.2...
  • Page 8 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Hazardous voltages and stored energy. Will cause death, serious injury or property damage. Even if the circuit breaker and control circuits have been de-energized for a long time, the power supply capacitors will maintain significant stored energy.
  • Page 9 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 2. Use the Close and Open pushbuttons on the circuit breaker operating mechanism (refer to Figure 3: Capacitor discharge plug (105.2) Operator panel controls) to first close, and then Disconnect control power prior to removing or replacing the open the circuit breaker contacts.
  • Page 10 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Vacuum interrupter/operator Item Description Close pushbutton 53.0 (black) 59.0 Open pushbutton 54.0 (red) 58.0 CLOSED/OPEN 58.0 indicator 54.0 105.0 59.0 Operations counter LEDs: Red LED indicates error. 53.0 Yellow LED indicates open possible 105.1...
  • Page 11 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 27.0 29.0 28.0 20.0 40.0 Item Description 30.0 16.0 Pole support channels 16.1 Post insulator 16.1 16.1 20.0 Fixed-end pole head 27.0 Fixed-end connection pad 48.0 28.0 Strut 16.0 16.0...

  • Page 12: Primary Connections

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Primary connections Figure 4: Vacuum circuit breaker magnetic-actuator operator module illustrates the pad provision to accept the primary connections. 48.6 Each circuit breaker has three connection pads at the fixed end of the vacuum interrupter, and three...
  • Page 13 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual The insulators also connect to the fixed- and Magnetic-actuator operating mechanism moving-end pole heads (20.0 and 40.0) that in turn The energy needed for closing and tripping is stored support the ends of the vacuum interrupter.

  • Page 14: Switching Operation

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Switching operation Operating mechanism The sequence of actions involved in various The operating mechanism is comprised of the mechanical and switching operations are described in this section. electrical components required to: Refer to Figure 7: Pole assembly and Figure 8: 1.
  • Page 15 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Item Description Circuit breaker shown in OPEN position. 53.0 Close pushbutton (black) 54.0 Open pushbutton (red) 59.0 58.0 CLOSED/OPEN indicator 59.0 Operations counter 63.0 63.5 64.3 Operator mechanism 58.0 60.0...
  • Page 16 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Construction Closing The essential parts of the operating mechanism are There are two different closing operations possible: shown in Figure 8: Magnetic-actuator operating • Remote (electrical) mechanism. • Local (electrical) (by pressing the pushbuttons).

  • Page 17: Manual Opening

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Detail A Detail B 60.0 101.0 101.0 101.3 101.3 102.3 102.1 102.1 114.0 102.3 114.0 60.0 Item Description Item Description 60.0 Mechanism housing 102.3 Interlock lever 101.0 Magnetic actuator 114.0...
  • Page 18 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Circuit breaker OPEN Circuit breaker CLOSED 48.0 48.0 49.0 63.5 49.0 63.0 63.0 63.5 64.3 64.3 62.9 62.9 64.0 62.8 62.8 64.0 101.0 101.2 101.0 101.2 101.3 101.3 101.4 113.1...
  • Page 19 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Closing (electrical) using pushbutton or external command Control voltage applied. Charging of capacitors Initialization (indicated by LEDs on the front panel: routine runs. green indicates fully charged). Circuit Circuit...
  • Page 20 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Part 1: Controller initialization upon initial control power energization (assuming capacitors fully discharged) Control voltage applied. Microcontroller performs internal self-test. Validation of configuration values. Check of actuator position. Charging capacitors.
  • Page 21 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Part 3: CLOSE command using local pushbutton or external command CLOSE command. Verification: Command duration >10 ms.* Current actuator position is OPEN. Check of capacitor voltage. Switch on the coil to pull the anchor in upper position until the CLOSED position is reached.
  • Page 22 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 1: Controller capacitor monitoring - LED status Energy Circuit breaker position Alarm status Circuit capacitor CLOSED local monitoring LED status Error: OPEN local monitoring LED status condition Remote output relay (NO contact)
  • Page 23 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual The schematic shown in Figure 14: Typical circuit The alarm contact (ST2-3/ST2-6 in Figure 15: breaker schematic is intended to aid in Controller schematic) closes when an alarm understanding the mechanism operation discussed condition begins.
  • Page 24 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Legend: 01/C Control switch close (remote) Green indicating light (remote) 01/T Control switch trip (remote) Red indicating light (remote) Power disconnect Emergency trip status 08C/T Close/open power disconnect (optional)
  • Page 25 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Electronic 64-pin controller plug (XO) – Ground Power Filter supply +24 Vdc – Green LED (N.O.) Yellow LED (N.O.) Red LED (alarm) (N.C.) Circuit breaker CLOSED (N.O) Circuit breaker OPEN (N.O)

  • Page 26: Maintenance

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Maintenance Failure to maintain the equipment can result in death, serious injury, property damage or product failure, and can prevent successful functioning of connected apparatus. The instructions contained herein should be carefully reviewed, understood and followed.
  • Page 27 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Hazardous voltages and high speed moving parts. Will cause death, serious injury or property damage. Even if the circuit breaker and control circuits have been de-energized for a long time, the power supply capacitors will maintain significant stored energy.
  • Page 28 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 2: Maintenance tasks Recommended hand tools Metric hardware is used on these circuit breakers. Inspection items and tests Primary-power path checks The following list of hand tools describes those •...
  • Page 29 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 3: Maintenance and lubrication schedule Number of The use of unauthorized parts in the repair of the equipment, or Circuit years/closing operations breaker (whichever tampering by unqualified personnel can result in hazardous...
  • Page 30 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual For all lubrication (except electrical moving or sliding If the LEDs do not conform to this sequence, surfaces), use one of the following: check further as follows: • Klüber Isoflex Topas L32 (part 3AX11333H)
  • Page 31 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Klüber L32 or Klüber L32N MLFB label Figure 16: Magnetic-actuator operator mechanism lubrication 5. Refer to notice to prevent damage due to 6. After the fast-discharge process, plug in electrostatic discharge.
  • Page 32 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Hazardous voltages and stored energy. Will cause death, serious injury or property damage. Even if the circuit breaker and control circuits have been de-energized for a long time, the power supply capacitors will maintain significant stored energy.
  • Page 33 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Visual position check of the magnetic actuator Unless otherwise noted, all of these tests are In the OPEN position of the circuit breaker, the performed without any control power applied to the armature (101.4) is in the lower position.
  • Page 34 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 1. Once the capacitors are charged (106.2), operate the circuit breaker electrical close command (via Hazardous voltage and high-speed moving parts. Close pushbutton). Verify by both the sound of...
  • Page 35 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 4a: Typical vacuum interrupter contact expected life Right hand limit Rated maximum Interrupting Rated short-circuit Vacuum interrupter of curve (refer to voltage kV class kA current type Graph Figure 19) 15.5 / 17.5...
  • Page 36 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Load graph "A" vacuum interrupter type VS-25008 Load graph "B" vacuum interrupter type VS-15052 Load graph "C" vacuum interrupter types VS-30030 and VS-30041 Permissible operating cycles 100,000 50,000 20,000...
  • Page 37 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual...
  • Page 38 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual High potential tests employ hazardous voltages. Will cause death or serious injury. Follow safe procedures, exclude unnecessary personnel and use safety barriers. Keep away from circuit breaker during application of test voltages.
  • Page 39 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual As-found insulation and contact  7. Unplug the connector (105.2) to the controller board (105.0). resistance tests  8. Disconnect secondary circuits for the operating mechanism by As-found tests verify the integrity of the circuit disconnecting the multiple pin-plug at the lower left corner of the breaker insulation system.

  • Page 40: Functional Tests

    Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 6: Maximum contact resistance Capacitor discharge plug (105.2) Current Contact Disconnect control power prior to removing or replacing the rating resistance Micro-Ohms capacitor discharge plug. Refer to Figure 2.
  • Page 41 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Note: If the capacitors have been fully discharged for a very long time, charging time may be Capacitor discharge plug (105.2) significantly longer than indicated. If capacitor Disconnect control power prior to removing or replacing the charging time is much longer than expected on capacitor discharge plug.
  • Page 42 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Overhaul washers, retaining rings, retaining clips, spring pins, Introduction cotter pins, etc. The following procedures along with Table 9: Troubleshooting, provide maintenance personnel 1. Replace vacuum interrupter; instructions follow.
  • Page 43 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual  2. Unplug the connector (105.2) from the bottom of the controller board and wait for the red LED Capacitor discharge plug (105.2) on each capacitor board to stop blinking. This...
  • Page 44 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Item Description 60.0 60.0 53.0 Close pushbutton 54.0 Open pushbutton 54.0 60.0 Mechanism housing 105.3 105.0 Controller board 105.0 109.1 Connector (disconnect to 105.2 discharge capacitors) 109.2 105.3 Mounting screws 106.0...
  • Page 45 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Capacitor discharge plug (105.2) Disconnect control power prior to removing or replacing the 104.0 capacitor discharge plug. Refer to Figure 2. To discharge capacitors: • Disconnect control power to the circuit breaker by opening the disconnect device (device 08 in the typical schematic in Figure 14) located in the control compartment.
  • Page 46 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual the controller board. Discharge any static charge The following procedure in check list format by grounding both ends and the middle of each describes the procedure for removing and replacing vacuum interrupter.
  • Page 47 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 2. Installing a vacuum interrupter 2.8 Tighten vacuum interrupter fastening bolt (31.2) on the fixed-end pole head (20.0) holding Note: Replacement vacuum interrupter (30.0) the vacuum interrupter firmly by its fixed-end will be received from the factory with an eye bolt insulator and operate levers (48.6), by hand,...
  • Page 48 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 29.1 28.0 20.0 28.1 40.0 36.3 29.3 31.2 29.2 36.1 48.6 48.5 30.0 48.9 48.0 16.1 Item Description 16.1 Post insulator 20.0 Fixed-end pole head 28.0 Strut 28.1 Centering ring 29.1...
  • Page 49 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual 2.12 Open and close circuit breaker several Complete all other maintenance times and then check to see that all procedures. Completely reassembled bolted joints and devices are tight. Plug circuit breaker should pass the high- in the connector (105.2) to the...

  • Page 50: Technical Data And Troubleshooting

    The vacuum interrupter type designation is labeled on the vacuum interrupter. If the vacuum interrupter installed does not match that indicated in this table, contact the nearest Siemens representative. If you need assistance achieving the indicated stroke setting, contact the nearest Siemens representative.
  • Page 51 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 9: Troubleshooting Problem Symptoms Possible causes and remedies 1. Manual opening lever is in the lockout position (114.0). S6 is open. 2. Control voltage is absent. Check the: •...
  • Page 52 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 10: Technical ratings Rated transient Rated withstand voltages recovery voltage Rated Rated short- Rated closing Rated Lightning circuit and Rated Rated permissible maximum impulse Power short-time interrupting continuous...
  • Page 53 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Table 13: Technical ratings Item Unit 15.5 kV / 17.5 kV 27.6 kV Lightning impulse withstand voltage • Full wave 1.2/50 µs • Chopped wave 2 µs • Chopped wave 3 µs...
  • Page 54 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Disposal Siemens equipment is environmentally friendly Disposal regulations vary from locality to locality and product predominantly consisting of recyclable may be modified over time. Specific regulations and materials. For disposal, some disassembly,...
  • Page 55 Type 3AH35-MA Vacuum circuit breaker magnetic-actuator operator module | Instruction Manual Notes...
  • Page 56 This document contains a general description of available technical options only, and its effectiveness will be subject to specific variables Siemens Industry, Inc. including field conditions and project parameters. Siemens does not 7000 Siemens Road make representations, warranties, or assurances as to the accuracy or Wendell, North Carolina 27591 completeness of the content contained herein.

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