LIRT220A【PDF 1/2 页】CONTROL RELAY CURRENT 220VAC

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CONTROLS

IR.T SERIES

CURRENT CONTROL RELAY

CONTROLS

UL listed

CSA recognized

Automatic or Manual Control

Start-up Inhibit

Adjustable Hysteresis

Multiple Voltages

LED Relay Status Indicator

1. AC Current Control Without Latching:

The output relay is energized when the current (peak current on AC) over-

shoots the level selected on the potentiometer. It de-energizes when the

current falls below the normal current by 5 to 50% or when input power

breaks. The hysteresis is controlled by a top mounted potentiometer and

its selection does not change the chosen current level.

2. AC Current Control With Latching:

The output relay is energized when the current reaches the selected value

and stays latched. The contact between terminal B1 and B2 (or 11 and 9)

should be opened or input power to the device interrupted to reset. In this

case, it is preferable to reduce the hysteresis 5%.

SPECIFICATIONS:

Input . . . . . . . . . . . . . . . . . . . . . . . . 24 VDC, 24, 48, 110, 220 VAC

±15%, 50/60 Hz

(–)0V

Power consumption . . . . . . . . . . . 3 VA maximum

CONTROL RANGE PERMITTED OVERLOAD

DC AC INPUT LESS THAN

CURRENT CURRENT RESISTANCE PERMANENTLY 1 sec Peak

5 to 100 mA 3.5 to 70.7 mA 1 ohm 1.5 V 5 A

0.05 to 1 A 0.035 to 0.707 A 0.1 ohm 5 A 17 A

0.5 to 10 A 0.35 to 7.07 A 0.01 ohm 15 A 55 A

Hysteresis selection . . . . . . . . . . . 5 to 50% of input current

Repeat accuracy . . . . . . . . . . . . . . ±2% at a constant ambient

Response time . . . . . . . . . . . . . . . . 100 ms On Make

200 ms On Break

Output Relay . . . . . . . . . . . . . . . . . SPDT Relay

WIRING DIAGRAM:

–

(+)5 to 100mA ~

(+)0.05 to 1A ~

(+)0.5 to 10A ~

Contact material

. . . . . . . . . . . . . . AgCdO

Maximum loading

. . . . . . . . . . . . . 10 A AC resistive 1 A DC inductive

Maximum switching voltage . . . . . 250 VAC or DC

Relay maximum power rating . . . . 2500 VA 30W

Mechanical life of relay . . . . . . . . . 30 x 10 4 operations

Electrical life of relay . . . . . . . . . . . 2 x 10 5 at 2500 VA resistive load

Operating temperature . . . . . . . . . +14°F to + 140°F -10°C to +60°C

Weight . . . . . . . . . . . . . . . . . . . . . . 7 oz. (200g)

Option: 24 VDC power - the voltage and the measured current must be

from separate sources.

Note: It is recommended that the unit be adequately fused.

Note: Upon energization of the current control IR.T Series Relay,

the time delay, which is adjustable from .1 to 10 seconds, inhibits

the output relay during start-up periods. The delay time is adjustable

via a potentiometer located on the side of the case. Applies to both

versions, with and without latching.

ORDERING INFORMATION:

IR.T

110A

MOUNTING

D = DIN-rail mounting

L = 11 pin plug-in

MOUNTING

SERIES

IR.T

INPUT POWER

24D = 24VDC

24A = 24VAC

48A

= 48VAC

110A

= 110VAC

220A

= 220VAC

Products and specifications subject to change without notice.

Order/Technical Support – Tel: (800) 677-5311 / FAX: (800) 677-3865 / www.crouzet-usa.com

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