Datasheet > 39-3681409

39-3681409

更新时间： 2024-11-06 21:15:31

品牌	Logo	应用领域
村田 - MURATA		变压器
页数	文件大小	规格书
4页	134K
描述
Current Transformer, 500:5A, 1% Accuracy Class

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39-3681409 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8504.31.40.35
风险等级：	7.64	精度等级：	1
认证：	UL	额定电流 (Ip:Is)：	500:5 A
直径：	90.4 mm	高度：	27.9 mm
绝缘电压：	600 V	安装特点：	THROUGH HOLE MOUNTED
最大工作频率：	0.4 kHz	最小工作频率：	0.05 kHz
物理尺寸：	D90.4XH27.9 (mm)	初级类型：	BAR PRIMARY
最大次级负载：	20 VA	表面贴装：	NO
变压器类型：	CURRENT TRANSFORMER	窗口尺寸：	39.6 m
Base Number Matches：	1

39-3681409 数据手册

DMS Accessories

5 Amp AC Current Transformers

These commercial grade, UL & CSA recognized, “donut style” AC current-transformers

(CT) provide an isolated 0-5A output that can be used with DATEL’s ACA5 Series of digital

ammeters. Installation is straightforward: simply pass the load-carrying conductor through

the 5A CT’s primary window, and then route its secondary’s leads through the ACA5-amme-

ter’s built-in, low-burden, toroid sensor.

General Speciﬁcations (all models)

Insulation Class

Frequency Range

600V, 10kV BIL full wave~

50-400Hz

Supplied Secondary

Leads

Flexible conductors, 24"

All models feature rugged, fully insulated construction, allowing continuous operation

with primary voltages up to 600Vac, at line frequencies from 50 to 400Hz. Fourteen models

are available to enable accurate measurements from 50A through 2000A. When combined

with DATEL’s ACA5 Series ammeters, secondary lead-extensions may be used for those

applications where the CT cannot be installed in the immediate vicinity of the ammeter.

(61cm) 16AWG (1.8mm ),

UL Style 1015, 105°C

Max. Secondary Lead

Length

See Table 1 and technical

note 5

Rated Accuracy

See Table 1 and

technical note 6

TECHNICAL NOTES

Burden

See Table 1

E93779

IMPORTANT! To ensure safe and reliable operation, Current Transformers and asso-

ciated equipment must be installed and serviced by qualiﬁed technical personnel.

Never open the CT’s secondary connections while the primary is energized. Open

CT secondary wiring can generate potentially lethal voltages when the primary cir-

cuit is energized. Contact DATEL if you have any doubts regarding the installation

or operation of any of our ac-mains measurement instruments and accessories.

UL FIle No.

CSA File No.

Weight

LR89403

1.0 lbs. (454g)

~ Basic Lightning Impulse Insulation Level (BIL): The insulation

strength referenced to the crest value of an impulse voltage-

waveform which rises to a crest value in 1.2 microseconds, then

drops to ½ the crest value in 50 microseconds.

1. CT Precautions: In normal operation, a 5A current transformer’s secondary circuit

operates at a relatively low voltage due to its closed-loop, low burden conﬁguration

(essentially zero Ohms when used with DATEL’s ACA5 series ammeters). However, any

CT can generate potentially lethal voltages if its output current is suddenly interrupted. For

example, loose secondary connections can produce a condition referred to as “inductive

kick.” Inductive kick can generate extremely high voltages across the open secondary

connections.

AC POWER

SUPPLY

ACA5-20PC-X-ACX

TB1

Therefore, all connections made to a CT’s secondary leads must only be performed with

zero current ﬂowing in the primary circuit. Never operate a CT with its secondary circuit

open and current ﬂowing in the primary.

TO AC LOAD

5A CURRENT

TRANSFORMER

2. CT Connections and Grounding: Some applications require connecting one of the CT’s

5A output terminals to earth/chassis ground. In the USA, consult the latest revision of the

National Electrical Code for more information.

(see technical notes)

0-5A

OUTPUT

After all mechanical assembly is completed, pass the 5A secondary leads through the

ACA5 ammeter’s built-in toroid, then connect the two leads together as shown in Figure

1. For this connection, and for connections involving lead extensions, pressure-style

connectors (commonly called “wire nuts”) are acceptable as long as they are rated for the

currents and voltages involved.

Figure 1.Typical Connections

3. Installation: CT’s must be installed in a manner that ensures no excessive stresses are

applied to the primary conductor that passes through the CT or to the secondary circuit

and its associated instruments. Use plastic tie-wraps and/or other suitable non-conductive

restraining devices to secure the CT.

Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000

www.murata-ps.com

MPM_DMS-CT.A01 Page 1 of 4

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