Datasheet > TVM460A41S5M

TVM460A41S5M

更新时间： 2024-11-22 14:56:39

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	356K
描述
工作原理 Upon application of line voltage, the restart delay begins. The output relay is de-energized

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TVM460A41S5M 数据手册

Protection Relays

Voltage Monitoring Relays

TVM SERIES

Description

TheTVM Series Provides protection for motors and other

sensitive loads. Continuously measures the voltage of each

of the three phases using a microcomputer circuit design

that senses under and overvoltage, voltage unbalance, phase

loss, and phase reversal. Protection is provided even when

regenerated voltages are present. Includes a trip delay to

prevent nuisance tripping and a restart delay to prevent short

cycling after a momentary power outage.

Operation

Upon application of line voltage, the restart delay begins.

The output relay is de-energized during restart delay. Under

normal conditions, the output energizes after restart delay.

Undervoltage, overvoltage, and voltage unbalance must be

sensed for continuous trip delay period before the output is

de-energized. The output will not de-energize if a fault is

corrected during the trip delay. The restart delay begins as

soon as the output relay de-energizes. If the restart delay is

completed when the fault is corrected, the output relay will

energize immediately.

Wiring Diagram

L1 = Phase A

L2 = Phase B

L3 = Phase C

The output relay will not energize if a fault or phase reversal is

sensed as 3-phase input voltage is applied.

NO = Normally Open

NC = Normally Closed

C = Common,Transfer Contact

Reset: Reset is automatic upon correction of a fault.

LED Operation

Relay contacts are isolated.

The LED ﬂashes green during the restart delay, then glows

green when the output energizes. It ﬂashes red during the trip

delay then glows red when the output de-energizes. It ﬂashes

red/green if phase reversal is sensed.

F = 2A Fast acting fuses are

recommended, but not required

Features & Beneﬁts

FEATURES

BENEFITS

Proprietary

microcontroller based

circuitry

Constant monitoring to protect against phase loss,

phase reversal; over, under, and unbalanced voltage;

short cycling

Ordering Information

Compact design

measures 2 in.

(50.8mm) square

Perfect for OEM applications where cost, size and

ease of installation are important

LINE

VOLTAGE

TRIP

RESTART

DELAY

MODEL

UNBALANCE DELAY

Provides diagnostics of relay, fault and time

delay status

LED indication

Encapsulated

TVM208A100.5S3S

TVM230A101S1S

TVM460A41S5M

TVM460A75S2M

TVM480A45S5S

TVM480A100.5S3S

208VAC

230VAC

460VAC

480VAC

10%

0.5s

Protects against shock, vibration and humidity

10%

0.5s

If you don’t ﬁnd the part you need, call us for a custom product 800-843-8848

www.littelfuse.com/tvm

Rev: 1-A-062716

中文翻译

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