Siemens 3AH35-SE Instruction Manual
  1. Manuals
  2. Brands
  3. Siemens Manuals
  4. Circuit breakers
  5. 3AH35-SE Series
  6. Instruction manual
Siemens 3AH35-SE Instruction Manual

Siemens 3AH35-SE Instruction Manual

Vacuum circuit breaker stored-energy operator module
Hide thumbs Also See for 3AH35-SE:
Table of Contents

Advertisement

Quick Links

Download this manual
77617000030
Type 3AH35-SE
Vacuum circuit breaker stored-energy operator module
instruction manual
usa.siemens.com/sdv7

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 3AH35-SE and is the answer not in the manual?

Questions and answers

Related Manuals for Siemens 3AH35-SE

Summary of Contents for Siemens 3AH35-SE

  • Page 1 77617000030 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module instruction manual usa.siemens.com/sdv7...

  • Page 2: Qualified Person

    Type 3AH35-SE Vacuum circuit breaker stored-energy 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-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Index Introduction 04 – 05 Note: These instructions do not purport to cover all details or variations in 06 – 07 Installation checks and functional tests equipment, nor to provide for every possible contingency to be met in connection with installation, operation or maintenance.

  • Page 4: Signal Words

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Introduction 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 5 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Hazardous procedures Field service operation and warranty issues In addition to other procedures described in this Siemens can provide competent, well-trained instruction manual as dangerous, user personnel field service representatives to provide technical...

  • Page 6: Technical Data And Troubleshooting

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Technical data and troubleshooting Introduction 1. Press red Trip pushbutton. This section provides a description of the inspections, checks and tests to be performed on 2. Press black Close pushbutton.
  • Page 7 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Hazardous voltage and high-speed moving parts. Will cause death, serious injury and property damage. Read instruction manuals, observe safety instructions and use qualified personnel. Automatic spring-charging check 3. In step 2, when the close pushbutton was...

  • Page 8: Vacuum Interrupters

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Vacuum interrupter/operator Figure 1: Operator panel controls of circuit breaker and manual charging of closing spring Introduction The type 3AH35-SE vacuum circuit-breaker operator is intended for stationary applications, such as the 59.0...
  • Page 9 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Primary connections Figure 2: Vacuum circuit breaker operator module illustrates the Item Description Fixed-contact current connection pad provision to accept the primary connections. Each circuit Ceramic insulator breaker has three connection pads at the fixed end of the...
  • Page 10 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Construction Vacuum interrupter (refer to Figure 5: Pole assembly) Each of the circuit breaker poles are fixed to the pole support channel by two cast-resin insulators. The moving-contact motion is aligned and stabilized The insulators also connect to the fixed- and by a guide bushing.

  • Page 11: Operating Mechanism

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Operating mechanism Construction The operating mechanism is comprised of the The essential parts of the operating mechanism are mechanical and electrical components required to: shown in Figure 6: Stored-energy operating mechanism (circuit breaker shown in OPEN 1.
  • Page 12 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual 60.0 59.0 63.0 63.7 63.5 63.5 58.0 61.8 50.4 64.0 62.0 64.2 62.8 68.1 54.0 55.0 20.0 55.1 54.1 50.4.1 53.1 62.6 55.2 50.2 53.0 68.0 62.5.2 62.2 62.1 50.3...

  • Page 13: Mode Of Operation

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Mode of operation Closing (refer to Figure 6: Stored-energy operating mechanism (circuit breaker shown The operating mechanism is of the stored-energy trip-free type. The charging of the closing spring is...
  • Page 14 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Trip-free function for the type SDV7-SE outdoor Manually charging the closing spring distribution circuit breaker (Refer to Figure 9: Use of manual spring- For the type SDV7-SE outdoor distribution circuit...
  • Page 15 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Item Description Circuit breaker OPEN, Circuit breaker OPEN, 48.0 Insulating coupler closing spring DISCHARGED closing spring CHARGED 49.0 Contact pressure spring 48.0 48.0 50.2 Charging mechanism gearbox 50.3.1 Driver 49.0...
  • Page 16 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Closing Anti-pumping feature (52Y) assures a continuously applied closing command does not cause the Control circuit breaker to reclose automatically after it has tripped out on a fault. voltage applied.
  • Page 17 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual The close coil (3AY1510) is a standard component of the circuit breaker that is used to unlatch the stored energy of the closing spring and thus close the circuit breaker electrically. It is available for either ac or dc operation.
  • Page 18 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Legend Schematic shown with closing springs discharged and circuit 01/C Control switch close (remote) Red indicating light (remote) breaker open. 01/T Control switch trip (remote) Closing spring position switch, closed...
  • Page 19 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Item Description Indirect releases - secondary shunt release Magnet core (dual trip) (52T1) or undervoltage (27.0) Housing The indirect release provides for the conversion of Mounting holes modest control signals into powerful mechanical-energy Magnet coil impulses.
  • Page 20 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Construction and mode of operation of Cancel the lock for the undervoltage release by shifting Item Description the locking screw (29.0) from A to B. secondary shunt-release and undervoltage 23.0...
  • Page 21 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Shock absorber Since the striker pin of the undervoltage release 3AX1103 is latched only when the armature is Circuit breakers are equipped with a hydraulic energized, the undervoltage release is provided shock absorber (61.8) (refer to Figure 6: Stored-...

  • Page 22: Maintenance

    Type 3AH35-SE Vacuum circuit breaker stored-energy 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 23 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Hazardous voltages and stored energy. Will cause death, serious injury or property damage. De-energize before working on this equipment. Read instruction manuals, observe safety instructions and use qualified personnel.
  • Page 24 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Cleanliness check Table 1: Maintenance tasks Figure 2: Vacuum circuit breaker operator module is a Inspection items and tests side view of the circuit breaker with the insulating Primary-power path checks barriers removed (if furnished) to show •...

  • Page 25: Maintenance And Lubrication

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Maintenance and lubrication Table 2: Maintenance and lubrication schedule Table 2 gives the recommended maintenance Circuit Number of years/closing operations intervals for circuit breakers. These intervals assume breaker type (whichever comes first) that the circuit breaker is operated under “usual...
  • Page 26 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Klüber L32 or Klüber L32N Behind the cover Figure 16: Operator mechanism lubrication Manual spring-charging and 3. Perform the contact-erosion check. Contact contact-erosion checks erosion occurs when high fault-currents are Perform the manual spring-charging check contained interrupted.
  • Page 27 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual High-speed moving parts. Can result in serious injury. Tripping spring is charged. If trip latch is moved, the stored-energy springs will discharge rapidly. Stay clear of circuit breaker components that are subject to sudden, high-speed movement.
  • Page 28 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Hazardous voltage and high-speed moving parts. Will cause death, serious injury and property damage. Do not bypass interlocks or otherwise make interlocks inoperative. Interlocks must be in operation at all times.
  • Page 29 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 3a: 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 30 Type 3AH35-SE Vacuum circuit breaker stored-energy 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 31 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual...
  • Page 32 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Checks of the spring-charging motor (88) Vacuum-integrity check (using mechanical test) (refer to Figure 19: Manual check of No additional checks of the spring-charging motor are necessary. If it is necessary to remove or replace...
  • Page 33 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Vacuum interrupters may emit X-ray radiation. Can result in serious injury. Keep personnel more than six feet away from a circuit breaker under test. High-potential tests Note: Do not use dc high-potential testers The next series of tests (vacuum-integrity test and incorporating half-wave rectification.
  • Page 34 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 4: High-potential test voltages Equipment rated Equipment maximum power-frequency Maximum ac rms test Maximum dc test voltage rating kV withstand kV (rms) voltage kV voltage kV 15.5 / 17.5 27.6...
  • Page 35 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual 48.6 48.0 Identification Description 48.0 Insulating coupler (shown disconnected on right pole for checking vacuum integrity) 48.6 Lever Figure 19: Manual check of vacuum integrity Insulation and contact-resistance test procedure  7.

  • Page 36: Functional Tests

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Inspection and cleaning of circuit Table 5: Maximum contact resistance breaker insulation Current Contact resistance rating A Micro-Ohms 1. Perform the spring-discharge check (refer to page 1,200 6) on the circuit breaker after all control power is 2,000 removed.
  • Page 37 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Overhaul Introduction Table 6: Overhaul schedule The following procedures along with the troubleshooting charts in this instruction manual Circuit breaker type Closing operations SDV7-SE outdoor distribution 10,000 (refer to pages 42-43), provide maintenance...
  • Page 38 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Instructions herein apply for replacement of all 1.5 Free struts (28.0) from the pole head (20.0). vacuum interrupters except vacuum interrupters on Loosen the strut hardware on the moving-end...
  • Page 39 Type 3AH35-SE Vacuum circuit breaker stored-energy 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 Identification Description 16.1 Post insulator 20.0 Fixed-end pole head 28.0 Strut 28.1 Centering ring 29.1...
  • Page 40 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual 2.4 Align vacuum interrupter and fasten “finger Identification Description tight” to the fixed-end pole head (20.0) using 29.2 Terminal clamp 36.1 heavy flat washer, lock washer and bolt (31.2).

  • Page 41: Hydraulic Shock Absorber

    Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Checking the contact stroke After eye bolt is tightened to proper torque, repeat all measurement procedures, making 3.1 Open the circuit breaker. certain they are in agreement with values 3.2 Free insulating coupler (48.0) by removing pin...
  • Page 42 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 43 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 8: Troubleshooting Problem Symptoms Possible causes and remedies 1. Secondary control circuit is de-energized or control circuit fuses are blown. Check and energize or replace if necessary. 2. Secondary multi-pin plug contacts A1 or D16 are not engaging.
  • Page 44 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 8: Troubleshooting (continued) Problem Symptoms Possible causes and remedies 1. Nuisance or false closing signal to secondary disconnect multi-pin plug contact. Check protective relay logic. Correct as required.
  • Page 45 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 9: Technical ratings Rated transient Rated withstand voltages recovery voltage Rated Rated short- Rated closing Lightning circuit and Rated Rated permissible Rated maximum impulse Power short-time interrupting continuous...
  • Page 46 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Table 12: Technical ratings Item Unit 15.5 kV / 17.5 kV 27.6 kV 38.0 kV Lightning impulse withstand voltage • Full wave 1.2/50 µs • Chopped wave 2 µs •...
  • Page 47 Type 3AH35-SE Vacuum circuit breaker stored-energy operator module | Instruction Manual Disposal Stored energy. Can cause death or serious injury. Mechanisms contain stored energy, which may be released during disassembly. Wear suitable protection and take appropriate precautions when disconnecting and removing moving parts.
  • Page 48 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.

This manual is also suitable for:

77617000030

Table of Contents