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WCB-120AC-1-A PDF预览

WCB-120AC-1-A

更新时间: 2024-09-25 08:10:43
品牌 Logo 应用领域
泰科 - TE 继电器
页数 文件大小 规格书
1页 67K
描述
Current Balance Relays

WCB-120AC-1-A 技术参数

生命周期:ActiveReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8536.41.00.20
风险等级:5.57Is Samacsys:N
其他特性:WILMAR主体宽度:107.95 mm
主体高度:88.9 mm主体长度或直径:127 mm
最大线圈电压(交流):120 V触点(交流)最大额定R负载:5A@120VAC
最大触点电流(交流):5 A最大触点电流(直流):5 A
触点(直流)最大额定R负载:5A@28VDC最大触点电压(交流):120 V
最大触点电压(直流):28 V触点/输出电源类型:AC/DC
安装特点:PANEL MOUNT最高工作温度:70 °C
最低工作温度:-40 °C物理尺寸:127mm X 107.95mm X 88.9mm
参考标准:CSA; UL继电器动作:MOMENTARY
继电器功能:DPST继电器类型:POWER/SIGNAL RELAY
表面贴装:NO端接类型:SCREW
Base Number Matches:1

WCB-120AC-1-A 数据手册

  
Current Balance Relays  
Function: 60 or 87  
ANSI/IEEE C37.90-1978  
WILMARProtective Relays WCB Series  
UL file No. E58048  
CSA file No. LR61158  
TERMINAL STRIPS  
#6 - 32 SCREWS  
Current Balance Relays are designed to sense un-  
balanced current flow in a three phase system. The  
primary application of Current Balance Relays is to  
protect three phase motors against phase unbal-  
ance or phase failure.  
Operation:  
With control voltage applied to the relay, the output  
contacts will energize when the three phase currents  
are balanced (including zero currents), and will be  
de-energize by unbalance currents.  
3 1/  
2
13  
/64  
" DIA.  
TION  
4 MTG. HOLES  
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.  
PRODUCT SPECIFICATIONS  
PART NUMBER SELECTION  
Part Number  
Line Current .....................................  
WCB Series  
Sample Part No.  
Type:  
WCB-120AC-1-A  
Three Phase, AC current, 50-400 Hz Direct or from CT.  
5 amp continuously  
20 amp, 30 sec.  
WCB = Current Balance  
Control Voltage 15%)  
26 DC  
200 amp, 0.10 sec.  
48 DC  
Control Voltage ................................  
Unbalanced Trip Point .....................  
See Part Number Selection  
125 AC  
120 AC  
Screwdriver adjustable. Adjustment range in  
accordance with ordering information. (The unbalanced  
value is defined as the difference between the highest  
and the lowest phase current).  
230 AC  
380 AC  
460 AC  
Trip Adjustment Range  
.5 = 0.1 amp to 0.5 amps  
1 = 0.2 amp to 1 amp  
2 = 0.4 amp to 2 amp  
Options:  
Drop-Out Time Delay .......................  
Surge Withstand Capabiliy ..............  
Operating Temperature ....................  
Burden ..............................................  
Contact Ratings ................................  
0.9 to 1.3 seconds  
In compliance with C37.90B ANSI/IEEE  
-40oC to +70oC  
A = two normally open contacts  
B = two normally closed contacts  
Current input: 5.0 VA, Phase Control voltage: 3.0 VA  
One set, N.O., One set N.C.  
5 amp resistive at 120 VAC or 28 VDC  
Notes:  
1. Remove black screw for access to the trip adjustment.  
2. Clockwise rotation of the adjustment potentiometer will raise the unbalance trip point.  
3. The output contacts are shown de-energized.  
3 2  
Tyco Electronics / www.tycoelectronics.com / Factory Direct Technical Support: 800-253-4560, ext. 2023 (U.S., Canada, Mexico) or 805-220-2020, ext. 2023 (International)  

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