ABB PSTX1250 Series Quick Start Manual
Softstarter
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Also See for PSTX1250 Series:
- Installation and commissioning manual (188 pages) ,
- Spare part instruction (8 pages) ,
- Quick start manual (4 pages)
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Softstarter type PSTX470...1250
Spare part instruction - Replace the SCR's
1SFC132102M0201 December 2015
EN
Spare part instruction
General
For complete information, see 1SFC132081M0201 -
Softstarters Type PSTX30...PSTX1250, Installation and
Commissioning Manual available on: http://www.abb.com/
lowvoltage
1. PSTX470...570
- Replace the SCR's
1x
1x
Softstarter type PSTX470...1250
2. PSTX720...840
- Replace the SCR's
1x
1x
Replace the SCR's
Service and repair should be performed by
authorized personnel only. Note that unauthorized
repair affects safety and warranty.
3. PSTX1050...1250
- Replace the SCR's
1x
Rev A
1x
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Summary of Contents for ABB PSTX1250 Series
- Page 1 General For complete information, see 1SFC132081M0201 - Service and repair should be performed by Softstarters Type PSTX30...PSTX1250, Installation and authorized personnel only. Note that unauthorized Commissioning Manual available on: http://www.abb.com/ repair affects safety and warranty. lowvoltage 1. PSTX470...570 2. PSTX720...840 3.
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Page 2: Safety Information
Safety information Warning! A qualified electrician must carry out installation, commissioning and service on the product by following installation standards and regulations. The product user hazardous voltage that can cause death or serious injury. Always disconnect power before working on equipment. Do not touch terminals when voltage is applied, output terminals can have live voltage even when the device is in off position. - Page 3 1. PSTX470...570 - Replace the SCR’s WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic WARNING strap should be worn on the wrist, and be Always make sure that the power supply is connected to an electrical ground, to prevent switched off before doing maintenance on the electrostatic discharge (ESD) damage to the Softstarter.
- Page 4 1. PSTX470...570 - Replace the SCR’s Tx 30 Tx 20 M6x16 M4x8 M6x25 (2,9Nm) (8Nm) Tx 20 Tx 15 M4x12 M3,5x12 (0,5 Nm) (1,6Nm) 2. PSTX720...840 - Replace the SCR’s WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic WARNING strap should be worn on the wrist, and be Always make sure that the power supply is...
- Page 5 Hexagon n.10 Tx 30 Hexagon n.16 Tx 30 M12x40 M6x16 M6 x 16 DOWN Hexagon n.10 Hexagon n.16 Tx 30 M12x40 M6x16 (45Nm) (8Nm) Tx 30 M6x16 (5Nm) Hexagon n.16 Tx 20 M4x8 (2,9Nm) Tighten nuts 1/2 lap alt. until indicator is fastened, then turn 1/4 lap more.
- Page 6 3. PSTX1050...1250 - Replace the SCR’s WARNING When performing maintenance on the Softstarter, an antistatic strap must be used. The antistatic WARNING strap should be worn on the wrist, and be Always make sure that the power supply is connected to an electrical ground, to prevent switched off before doing maintenance on the electrostatic discharge (ESD) damage to the Softstarter.
- Page 7 3. PSTX1050...1250 - Replace the SCR’s LOAD SIDE Hexagon n.24 Tx 30 Hexagon n.10 M6x16 M12x80 (8Nm) M12X40 (fix loosely) Hexagon n.24 Tx 30 M6x16 (5Nm) Hexagon n.10 M12x80 M12X40 (45Nm) Tighten nuts 1/2 lap alt. until indicator is fastened, then turn 1/4 lap more. Tx 15 Tx 20 Tx 20...
- Page 8 Contact us ABB AB Control Products Low voltage Products SE-721 61 Västerås, Sweden Telephone: +46 (0) 21 32 50 00 www.abb.com/lowvoltage © Copyright 2015, All rights reserved. Specification subject to change without notice.