Datasheet > SY115220

SY115220

更新时间： 2024-09-29 23:35:43

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数据手册

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SY115220 数据手册

Current and Voltage Controls

3-Phase Cos ϕ Control

Type SY 115

• Load guard for asynchronous motors

and other symmetrical loads

• Measures on phase difference (cos ϕ) between motor

current and voltage

• Measuring range: Cos ϕ = 0-0.9 with 1-phase current

metering transformer, type MI...

• Knob-adjustable cos ϕ level

• Delay on operate at power ON

• Output: 10 A SPDT relay

• Plug-in type module

• S-housing

• LED-indication for power supply and output ON

• AC power supply

Product Description

3-phase load guard monitor- a motor from overload in ap- Housing

ing plug-in relay. Measures plications where stops can Function

the phase difference (cos ϕ) be- damage the whole mechani- Output

tween motor current and volt- cal system.

age. Often used for protecting

Ordering Key

SY 115 220

Type

Power supply

Type Selection

Plug

Output

Supply: 220 VAC

SY 115 220

Supply: 380 VAC

SY 115 380

Supply: 415 VAC

SY 115 415

Circular

plug

SPDT

Input Specifications

Output Specifications

Input

Pins 5, 6 & 7

Pins 8 & 11

Output

SPDT relay

250 VAC (rms)

(cont./elect.)

Phase L1, L2, L3

Rated insulation voltage

0.4-4 V_pfrom current trans-

former, type MI100/MI 500

black wire connected to pin 8

Contact ratings (AgCdO)

Resistive loads

µ (micro gap)

AC 1

DC 1

10 A/250 VAC (2500 VA)

1 A/250 VDC (250 W)

or 10 A/25 VDC (250 W)

2.5 A/230 VAC

Small inductive loads AC 15

DC 13

Supply Specifications

5 A/24 VDC

≥ 30 x 10⁶operations

≥ 2.5 x 10⁵operations

Power supply AC types

Rated operational voltage

Through pins 5, 6 & 7 220

Overvoltage cat. III (IEC 60664)

(IEC 60038)

3 x 220 VAC ± 10%,

45 to 65 Hz

3 x 380 VAC ± 10%,

45 to 65 Hz

3 x 415 VAC ± 10%,

45 to 65 Hz

≤ 40 ms

Mechanical life

Electrical life

AC 1

(at max. load)

Operating frequency

Dielectric strength

Dielectric voltage

Rated impulse withstand volt. 4 kV (1.2/50 µs) (cont./elect.)

(IEC 60664)

≤ 7200 operations/h

380

415

≥ 2 kVAC (rms) (cont./elect.)

Voltage interruption

Dielectric voltage

None (supply/elect.)

Rated impulse withstand volt. 4 kV (1.2/50 µs) (line/neutral)

(line/line) direct connection

to electronics

Rated operational power

2.5 VA

Specifications are subject to change without notice (26.10.99)

12 3

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