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77C-LR中文资料Motor and Pump Protection数据手册Littelfuse规格书

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厂商型号

77C-LR

参数属性

77C-LR 包装为散装;类别为工业自动化与控制的保护继电器系统;产品描述:1-PHASE OVERLOAD RELAY/ 100-24

功能描述

多重
Motor and Pump Protection
1-PHASE OVERLOAD RELAY/ 100-24

制造商

Littelfuse littelfuse

中文名称

力特 力特公司

数据手册

原厂下载下载地址下载地址二

更新时间

2025-11-25 23:00:00

人工找货

77C-LR价格和库存,欢迎联系客服免费人工找货

77C-LR规格书详情

简介

77C-LR属于工业自动化与控制的保护继电器系统。由Littelfuse制造生产的77C-LR保护继电器和系统保护继电器可检测工业系统的异常工作状态,从而触发警报或将异常设备与系统隔离。常用检测功能包括:电弧闪光、温度监控、接地故障、过流、过压、逆相序、过频、欠频、缺相、相序或不平衡。

技术参数

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  • 制造商编号

    :77C-LR

  • 生产厂家

    :Littelfuse

  • Maximum Input Power

    :10

  • Input AC Line Frequency (Hz)

    :50 / 60

  • Output Form

    :SPDT - Form C

  • Output Load Rating (VA)

    :Pilot Duty: 480 VA @ 240 VacB300; General Purpose: 10 A @ 240 Vac

  • Full Load Amp Range (A)

    :1.0 - 2.5 (looped conductors required); 2.0 - 9.0 (direct)

  • Timing Accuracy (%)

    :5% ±1 s

  • Rapid Cycle Timer (s)

    :0; 2 - 500 s

  • Restart Delay Range

    :After Under/Overcurrent: 2 - 500 m/s; # of Restarts: Overcurrent: 0; 1; oc1; 2; oc2; 3; oc3; 4; oc4; A (Automatic); OCA; Undercurrent: 0; 1; 2; 3; 4; A (Automatic)

  • Repeat Accuracy (%)

    :Voltage: ±0.5% of nominal voltage; Current: ±1% (direct; no external CTs)

  • Overvoltage Trip Voltage (%)

    :85V - HV setting

  • Undervoltage Trip Voltage

    :LV setting - 264 V

  • Voltage Accuracy (%)

    :±1%

  • Overcurrent Trip Point

    :(20 - 100 A) … MULT of 80 - 120% of CT primary

  • Overcurrent Trip Class

    :5; J5; 10; J10; 15; J15; 20; J20; 30; J30; or lin (linear)

  • Undercurrent Trip Point

    :0; 10 - 98 A … MULT or 40 - 100% of CT primary

  • Undercurrent Trip Delay (s)

    :2 - 60 s

  • Current Accuracy (%)

    :±3% (

  • Ground Fault Accuracy (%)

    :±15%

  • Sensor Hole Size

    :Max conductor size: 0.65 in (with insulation)

  • Short Circuit (kA)

    :UL: 100; CSA: 10

  • Surge Protection

    :IEC: 61000-4-5 Level 3 2 kV line-to-line; Level 4 4 kV line-to-ground

  • Protection Class

    :IP20; NEMA 1 (finger safe)

  • Pollution Degree

    :3

  • CT Ratio

    :1 or 2

  • Address

    :A01 - A99

  • Termination Type

    :7 in.-lbs.

  • Mounting Method

    :Surface mount (4 - #8 screws) or DIN rail mount

  • Operating Temperature

    :-20° to 70°C (-4° to 158°F)

  • Storage Temperature (F/C)

    :-40° to 80°C (-40° to 176°F)

  • Humidity

    :10 - 95% non-condensing per IEC 68-2-3

  • Dimensions

    :3.05 H x 3.85 W x 5.05 D in. (77.5 x 97.8 x 128.3 mm)

  • Weight (lbs/g)

    :0 Kg

  • Check Stock

    :Yes

供应商 型号 品牌 批号 封装 库存 备注 价格
BOURNS
24+
插件
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
询价
AMPH
23+
NA
364
专做原装正品,假一罚百!
询价
BOURNS/伯恩斯
2016
SMD
40000
询价
BOURNS/伯恩斯
24+
DIP
44729
原装现货,样品可售
询价
BOURNS/伯恩斯
23+
DIP
10000
原厂授权代理,海外优势订货渠道。可提供大量库存,详
询价
TE
25+
100
原厂现货渠道
询价
BOURNS/伯恩斯
22+
SMD
8000
原装正品支持实单
询价
BOURNS/伯恩斯
15+Rohs
Axial
493900
一级质量长期可供应量大价格从优
询价
236
全新原装 货期两周
询价
AMPHENOL
2023+
58000
进口原装,现货热卖
询价