ABB MS132-10电动机保护器
ABB MS132-10电动机保护器
电动机保护器的作用是给电机的保护控制，在电机出现过流、欠流、断相、堵转、短路、过压、欠压、漏电、三相不平衡、过热、接地、轴承磨损、定转子偏心时、绕组老化予以报警或保护控制。
主要种类
(一)热继电器是五十年代初引进苏联技术开发的金属片机械式电动机过载保护器。它在保护电动机过载方面具有反时限性能和结构简单的特点。但存在功能少，无断相保护，对电机发生通风不畅，扫膛、堵转、长期过载；频繁启动等故障不起保护作用。这主要是因为热继电器动作曲线和电动机实际保护曲线不一致，失去了保护作用。且重复性能差，大电流过载或短路故障后不能再次使用，调整误差大、易受环境温度的影响误动或拒动，功耗大、耗材多、性能指标落后等缺陷。
(二)温度继电器是采用双金属片制成的盘式或其他形式的继电器，具有结构简单、动作可靠，保护范围广泛等优点，但动作缓慢，返回时间长，3KW以上的三角形接法电动机不宜使用。如今在电风扇、电冰箱、空调压缩机等方面大量使用。
温度继电器与热继电器不同。温度继电器是装在电动机内部，靠温度变化时期动作的。而热继电器装在动力线上，靠电流热效应动作的。
(三)电子式电动机保护器已由晶体管发展到集成电路至今已发展到微处理芯片厚模电路，从功能上一般分为断相保护、综合保护（多功能保护）、温度保护和智能保护。此类保护器具有节能、动作灵敏、度高、耐冲击振动，重复性好、保护功能、功耗小等优点。
1.电动机保护器（电机保护器）是以检测线电流的变化（包括采取、正序、负序、零序和过流）为原则，可检测断相或过载信号。除具有断相保护功能外，还具有过负荷、堵转保护功能。
2.智能保护：集保护、遥测、通讯、遥控与一体的电动机保护装置，对电动机发生断相、过载、短路、欠压、过压和漏电等故障时实现保护，还具有电流电压显示，时间控制，软件自诊断，来电自恢复，自启动顺序，故障记忆，自琐和远传报警，显示故障时的电流、电压故障前后用代号闪烁示警，配置RS485通讯接口，实现计算机联网。同时可监控、监测256台电动机工作等功能。
（四）电动机保护器在国民经济和节能事业中的重要意义
电动机保护器（电机保护器）是发电、供电、用电系统的重要器件。是跨行业、量大面广、节能效果显著的节能机电产品。几乎渗透到所有用电领域；是工业、农业和国防建设及人民生活正常生产和工作的重要保证，在国民经济和节能事业中有着不可替代的重要地位和作用。
《中华人民共和国节约能源法》规定：“节能是指加强用能管理，采取技术上可行、经济上合理以及环境和社会可以承受的措施，减少从能源生产到消费各个环节中的损失和浪费，更加有效、合理地利用能源”；“节能发展经济的一项长远战略方针”。节能是系统工程。 据不完全统计，运行的1KW-320KW低压电动机数量为6000万台，占电网用电量的70%以上，是工农业及商业系统中应用为广泛的动力设备。每年烧毁电动机数量约300万台，容量为10亿千瓦，每年仅电动机在烧毁过程中就耗电为数亿度，修理费高达数100亿元左右，造成停工停产损失竟达数100亿元。仅上述费用不算，还会造成电机修理后功率下降，耗电量大，性能变差直接影响企业正常生产。
SPRECHER & SCHUH 19.116.312-03 1911631203
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SPRECHER & SCHUH 120-51 12051
Sprecher & Schuh 1.6 Amp Motor Starter Circuit Breaker KTA3-25 #8530
SPRECHER & SCHUH 1.5 HP 480 VOLT COMBINATION STARTER
SPRECHER & SCHUH (KT3-NW23) KT3NW23
Sprecher & Schuh (CTA1-100) CT1U-100 120 Amp Overload, Surplus
Sprecher & Schuh
Slightly Sprecher & Schuh Motor Starter, Contactor, CA 3-12, CA3-12CT3
Schaefer's Enclosure K-3826/Puls XT40.242/Sprecher Schuh L8/10/3/C LE7-25-1753
Same as Allen Bradley 100-C16J10
S+S SPRECHER & SCHUH CS7-PV-40 CS7PV40 EQUAL TO 100-FA40 *NIB*
S+S SPRECHER & SCHUH CS7-PV-13 CS7PV13 EQUAL TO 100-FA13 *NIB*
S+S SPRECHER & SCHUH CA7-PV-22 CA7PV22 EQUAL TO 100-FA22 *NIB*
S+S SPRECHER & SCHUH CA7-PA-20 CA7PA20 EQUAL TO 100-SB20 *NIB*
S+S SPRECHER & SCHUH CA7-PA-10 CA7PA10 EQUAL TO 100-SB10 *NIB*
S+S SPRECHER & SCHUH CA7-PA-02 CA7PA02 EQUAL TO 100-SB02 *NIB*
RZ7-FEB1SU22 Sprecher Schuh Timer Off Delay 110/240V ()
RZ7-FEA1TU22 Sprecher Schuh Timer Off Delay 110/240V ()
RT3-M Sprecher Schuh
Robroy Industries CF1PB22 Push Button Enclosure Sprecher & Schuh D7-X10 Switches
Relay Relais SPRECHER SCHUH CS4 22Z Commande 220 VAC 2NO + 2NC
Relay Relais Sprecher Schuh CA3 23 10 Commande 230 VAC 3NO Aux 1NO
Relay Relais Sprecher Schuh CA3 16 10 Commande 230 VAC 3NO Aux 1NO
Relay Relais Sprecher Schuh 22E Commande 230 VAC 1NO + 2NC Aux 1NO
REFURBBED! SPRECHER SCHUH ECOMBOPLUS CK7 STARTER CK7-9D-10-24DD-AS1.6A-A11
QTY 2 TERMINAL BLOCKS SPRECHER SCHUH KTA
Qty 19 Sprecher + Schuh V7-EBTF3 end barriers - 60 day warranty
PUSHBUTTON SPRECHER SCHUH D7-APL LATCH COLLAR SIMILAR TO ALLEN BRADLEY 800F-ALP
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PGE035-480-MH-D-BT Sprecher Schuh Motor Drive 25 HP
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One in the box Sprecher + Schuh solid state relay 75 Amp SAS3-75-1
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NOS Sprecher & Schuh Motor Starter CAT3-9-120-6.0-NO Facet 687829 6110014687776
NOS Sprecher & Schuh Magnetic Contactor CA3-9-10-120-NO CT-3K 110/120V 50/60Hz
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NIB SPRECHER & SCHUH CT4-9 OVERLOAD RELAY CT4-9-6.0-7.7A W/ CT3K-P-10 AUXILIARY
NIB Sprecher & Schuh contactor CA3-12-10-240-NO - 60 day warranty
NIB Sprecher & Schuh CEP7S-M32-32-10 Series B overload relay - 60 day warranty
NIB SPRECHER & SCHUH CA3-43-120-N0 CONTACTOR
NIB Sprecher & Schuh box of 50 end covers V7-EBR3 - 60 day warranty
NIB lot of 50 Sprecher & Schuh terminal blocks V7-WR3 1492-WR3 -60 day warranty
NIB lot of 5 Sprecher & Schuh V7-CJD5-50 jumpers 50 pole - 60 day warranty
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NIB lot of 37 Sprecher+Schuh terminal blocks V7-WTS3 Series B - 60 day warranty
NIB lot of 21 Sprecher & Schuh terminal blocks V7-H6 NOS many other items from
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... Sprecher Schuh Contactor CA1U-40 24V Coil & Relay CT-1U-43 ... VP-38
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! SPRECHER + SCHUH SHUNT RELEASE KT7-AA KT7-AA-110V50/120V60HZ
! SPRECHER + SCHUH MAIN CONTACT SET 22.808.202-01 2280820201 CA5-700
! SPRECHER & SCHUH CT 3-23 CT3-23 16-23A OVERLOAD RELAY
SPRING RETURN SELECTOR SWITCH on / off knob SPRECHER + SCHUH # D7M-SB32
SPRECHER-SCHUH L11-PYT SERIES A HANDLE FOR DISCONNECT
SPRECHER-SCHUH L11-PYT SERIES A HANDLE FOR DISCONNECT
SPRECHER-SCHUH L11-PBT SERIES A OPERATING HANDLE
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SPRECHER+SCHUH TIMING RELAY RZ7-FLS3FU23 RZ7-FS10642 RZ7FLS3FU23 RZ7FS10642
SPRECHER+SCHUH THERMAL OVERLOAD RELAY 1.6-2.5 AMP CT3-2.5
sprecher+schuh Overload 4A
Sprecher+Schuh Motor Circuit Controller Door Coupling Handle KT7-HTRY 60947
SPRECHER+SCHUH KTA7-25S KTA7-25S-1.6A MOTOR STARTER
Sprecher+Schuh Industrial Controlled Box NO RESERVE
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SPRECHER+ SCHUH CA7-30-01-120 CA7-PA 120V-AC 20HP 55A AC CONTACTOR D510170
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SPRECHER+ SCHUH CA3-60-N-11 120V-AC 50HP 72A AMP CONTACTOR D510990
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SPRECHER SCHUH CONTACTOR CA3-9-01-120 9A 3P 1NC AUXILIARY 120VAC COIL
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Sprecher Schuh CEP7-EEEB Overload Relay - SKU 6.15-1545
SPRECHER SCHUH CA7-9-10 & CS7-PV CONTACTOR ASSEMBLY CA7-9-10-120-L22 *
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SPRECHER SCHUH CA3-9-01-120 CONTACTOR 9A 3P **ALL AC COILS AVAILABLE**
SPRECHER AND SCHUH OVERLOAD RELAY CA3-9 24V 60HZ
Sprecher + Schuh VRE3-2.5 Ground Terminal
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Sprecher + Schuh 22.104.240-25 Coil 240v/60hz 220V/50Hz CA1-55 Thru CA1-100
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