SE-325 Series – Neutral-Grounding-Resistor Monitor 系列 - Littelfuse SE-325中性点接地电阻器监控器提供超强保护

系列: SE-325 Series – Neutral-Grounding-Resistor Monitor
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SE-325系列是一款中性点接地电阻器监视器，用于电压不超过25kV的电阻接地系统，监控中性点接地路径的完整性及检测接地故障。 它测量变压器或发电机的中性点接地的电流或电压以及中性点接地电阻器（NGR）的连续性。 SE-325监控器能够综合这三种测量功能，可检测到松散的连接、腐蚀、接地故障或NGR故障，并提供一个报警或跳闸输出触点。

功能与特色

  • 持续NGR监控
  • 输出触点
  • 接地故障检测
  • 可调吸合电流（0.5-4A）
  • 可调节延时设置（0.1-2s）
  • 可选触点工作模式

产品文献

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Catalog #Supply
Voltage
VAC		Supply
Voltage
VDC		Relay Contacts ConfigIEEE Device NumbersRelay
Contact
Operating		Weight (lbs/g)Auto Manual ResetConformally coatedFrequencyGF Trip Level AGF Trip Time sHarmonic FilteringReset TypeRF Trip
Level
V		RF Trip
Time Delay
s		SamplesCompare
产品号工作
电压
VAC		工作
电压
VDC		继电器触点配置IEEE器件号继电器
联系方式
工作		重量（磅/克）自动手动重置统一涂层频率GF断路电平（A）GF跳闸时间（秒）谐波滤波功能重置类型射频跳闸
电平
V		射频跳闸
延时型
s		样品比较
SE-325 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325D 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325DN 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325DNT 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325DS 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325DSN 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325DSNT 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325DST 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325DT 1201201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325E 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325EN 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325ENT 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325ES 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325ESN 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325ESNT 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325EST 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325ET 2401 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325N 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325NT 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325P 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购
SE-325S 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325SN 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 2.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325SNT 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤Non-latching标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325ST 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)20订购
SE-325T 1201 A型（N.O.）50G - 50N - 51G - 51N - 59N - 86Fail-safe / Non Fail-safe0公斤标准50; 60; ASD0.5 - 4.00.1 - 5.0标准Front-panel switch/Remote Kit20 - 400 (systems up to 5 kV); 100 - 2000 (systems over 5 kV)5订购

pdficon SE-325 Datasheet

icon-request-icon SE-325 3D Model STP

pdficon SE-325 Manual Chinese

pdficon Protection Relays and Controls Catalog

pdficon Protection Relays and Controls Catalog - Spanish

pdficon Protection Relays and Controls Catalog - Mandarin

CAD-DWG-icon SE-325 CAD DWG

pdficon PGR-6101 Manual

pdficon TN RG03 SE-325 neutral grounding resistor monitor setting

pdficon TN RG02 application o SE-325 on alarm only systems

pdficon TN RG04 SE-325 neutral grounding resistor monitor guideform specifications

pdficon TN RG06 SE-VS1002k Voltage Scaler For The SE- 325

pdficon TN GF10 Pulsing Ground-Fault Systems

pdficon TN RG07 SE-Vs50010k Voltage Scaler

pdficon TN RG14 Neutral Grounding Resistor Checklist

pdficon TN RG09 Multiple Sources Single Neutral Grounding Resistor

pdficon TN RG15 Implementing Resistance Grounding on Solidly Grounded Systems

pdficon TN RG05 SE-330 Neutral Grounding Resistor Monitor Guideform Specification

pdficon TN RG11 Voltage Metering In Resistance Grounded Systems

pdficon TN RG12 Implementing Resistance Grounding On Ungrounded Systems

pdficon TN 11-1 AU Earth fault ct selection flowchart

pdficon TN 11-2 Locating phase conductors in a zero sequence ct window

pdficon TN 11-4 Trailing cable types

pdficon TN 11-7 Locating phase conductors in a zero sequence ct window

pdficon TN RG01 Monitoring with Isolated Ground Beds

pdficon TN MI01 DIELECTRIC TESTS on SE-105 SE-125 SE-325 and SE-701

pdficon SE-325 2D Print PDF

pdficon SE-325 Manual


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产品编号 零件描述 RoHS 无铅 RoHS (2015/ 863/EU)认证 REACH（SVHC's）声明 无卤素 REACH（SVHC's） IPC-材料声明
SE-325S NGR MONITOR EXT RES TRIP TIME RoHS 否 05/03/2021 PbFree 否 05/03/2021
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