Datasheet > VMA

VMA

更新时间： 2022-09-12 09:29:32

品牌	Logo	应用领域
泰科 - TE		/
页数	文件大小	规格书
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描述
Single Phase, Plug-in

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VMA 数据手册

Catalog 1308242

Issued 3-03

AGASTAT

VMA series

Single Phase, Plug-in

Undervoltage Relay

• Automatic reset minimizes equipment downtime.

• Fixed pickup point prevents low voltage start-up.

• Adjustable dropout point protects against undervoltage

operation.

• Locking potentiometer maintains selected set point.

• Delayed dropout prevents nuisance tripping.

• Plug-in mounting for easier installation.

• Built-in protection against polarity reversal.

• LED indicates normal voltage condition.

File E60363

Users should thoroughly review the technical data before selecting a product part

number. It is recommended that user also seek out the pertinent approvals files of

the agencies/laboratories and review them to ensure the product meets the

requirements for a given application.

Input Data

Function

Voltage: See ordering information.

Pow er Requirem ent: 4W, max.

Transient Protection: 24VAC ................. 1.5 joules

24VDC ................. 1.5 joules

Single phase undervoltage relay.

Sensing Specifications

48VDC ................. 10 joules

120VAC ............... 10 joules

125VDC ............... 10 joules

240VDC ............... 20 joules

Voltage Set-Point Adjustm ent: Locking potentiometer with calibrated dial.

Response Tim e: Standard 0.5 sec. delay on dropout.

Accuracy: Repeat Accuracy: ±0.5% under fixed conditions.

Overall Accuracy: ±1% .

Reverse Polarity Protection: On DC models.

Duty Cycle: Continuous.

Tem perature Coefficient: ±0.02% /°C (Max.).

Environm ental Data

Tem perature Range: Storage: -30°C to +60°C.

Operating: -10°C to +55°C.

Output Data

Arrangem ent: 2 Form C (DPDT).

Rating: 7A @ 250VAC; 1/6 HP @ 250VAC; 300VA @ 120/240VAC;

3A @ 30VDC.

Expected Mechcanical Life: 10,000,000 operations.

Expected Electrical Life: 100,000 operations at rated resistive load.

Mechanical Data

Mounting: Octal plug. Fits 27E122 or 27E891 (snap-on) screw terminal

socket. Order socket separately.

Initial Dielectric Strength

Betw een Term inals and Case: 1,480V.

Betw een Relay Contacts and Active Circuitry: 1,480V.

Enclosure: Nylon cover protects against particles.

Status Indication: LED indicates normal voltage condition.

Weight: 6 oz. (168g) approximately.

Outline Dim ensions

Ordering Inform ation

Part Num ber Nom inal Voltage Pick-Up (V) Drop-Out Range (V)

VMAXEA

VMAXAA

VMAXBA

24VAC

120VAC

240VAC

104

209

15 to 20

78 to 99

156 to 199

VMAXOA

VMAXEA

24VDC

48VDC

125VDC

109

15 to 20

31 to 40

81 to 103

Wiring Diagram (Bottom View )

Authorized distributors are likely to stock the follow ing:

None at present.

Dimensions are shown for

reference purposes only.

Dimensions are in inches over

(millimeters) unless otherwise

specified.

Specifications and availability

subject to change.

www.tycoelectronics.com

Technical support:

Refer to inside back cover.

1304

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