CR9421-ACA【PDF 1/1 页】SWITCH CURRENT AC NC .27" DIA.

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Current Switch - Normally Closed

CR9400 Series

The CR9400 Series is a low cost, self powered, fixed set-point Current

Switch designed for applications that require an on-off indication of

current flow.

The normal state of the switch is On when the current level is zero. Cur-

rent levels above the guaranteed full-off level will turn the output to Off.

The Current Switch is recommended only for applications where the

continuous operating level is above the rated full on level of 350 mA.

Operation below this point will not drive the output device full-on and

derate the output ratings.

The unit available with a SCR output for switching AC. Connections can

be made directly to items such as a PLC or electro-mechanical relay.

DC SWITCHING (-NPN or -PNP)

Vce (full off): 30 VDC max.

Isink (full on): 120 mADC max.@ rated full-on

Vce (reverse polarity voltage): 1.2 VDC @

100 mADC

Vce (full on): 1.5 VDC @ 120 mADC Isink

Off state leakage current: 5ua @ 30 VDC

(typical)

Note that connections made directly to an inductive device such as an

electro-mechanical relay will require a customer supplied clamping

diode for DC operation or a snubber network for AC operation.

Applications

Continuity

Proving Switch

Features

Low Cost

AC SWITCHING (-ACA)

Off state voltage: 240 VAC RMS max.

Minimum holding current: 10 mA

On state current: 0.8 AAC RMS max. continuous

Off state leakage: 50 ua @ 240 VAC max.

Peak Non-Repetitive Surge Current:

8 AAC RMS (1 cycle, 60 Hz.)

Low Fixed Trip Point

Fully Isolated

Self-Powered

Specifications

Rated Full-off: 0.400 AAC RMS

Turn-on Time: 100 ms. max. @ rated full-on

Turn-off Time: 250 ms. max. to 80% of Vce

Maximum sense current: Continuous: 100 AAC

OUTLINE DRAWING

Frequency*: 50 to 400 Hz

1 Second: 500 AAC

CR9421

CR9450

Operating Temperature: -30° C to +60° C

6.86

0.27

AWG # 22, 12" (304) LONG

11.46

0.45

0.59 (15.0) DIA.

1.775

30.30

1.19

AWG # 22, 12 (304) LONG

Storage Temperature: -55° C to +85° C

Weight 0.08 LBS.

*All specifications for operation at 60 Hz only

(45)

29.21

1.15

41.02

1.62

0.875

(22.2)

1.062

0.875

Regulatory Agencies

27.00

1.06

22.23

0.88

(mm)

(27)

(22.2)

ELECTRICAL CONNECTIONS

V+

PART NUMBER

VAC

I sink

V+

CURRENT SWITCH

BLACK

RED +

ORANGE +

BLACK

-ACA

BLACK -

-NPN

Vce

BLACK -

-PNP

Vce

I source

9421

9450

.27 dia. Window

.61 dia. Window

NPN

PNP

ACA

Transistor Output

AC Output

M Mounting Case

(Optional)

CR Magnetics, Inc. 3500 Scarlet Oak Blvd. St. Louis MO USA 63122 V: 636-343-8518 F: 636-343-5119

Web: http://www.crmagnetics.com

E-mail: sales@crmagnetics.com

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