A4890 datasheet(1/7 Pages) CRYDOM

Part #	A4890

Description	panel mount

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Manufacturer	CRYDOM [Crydom Inc.,]

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DataSheet

Panel Mount

• Ratings from 25A to 90A @ 48-530 VAC

• SCR output for heavy industrial loads

• Zero turn-on or instantaneous turn-on outputs

• UL/CSA/VDE Approved, CE Compliant to EN60950-1

• Improved SEMS screw and washer

• Redesigned housing with anti-rotation barriers

For Generation 3 datasheet click here

• AC or DC control

• Direct bond copper substrate

• EMC compliant to Level 3

• Direct power lead frame

• Epoxy free design

Series 1 480 VAC

PRODUCT SELECTION

90A

75A

50A

25A

Control Voltage

4-32 VDC

D4825

D4850

D4875

D4890

90-280 VAC

A4825

A4850

A4875

A4890

AVAILABLE OPTIONS

Control Voltage

A: 90-280 VAC

D: 4-32 VDC

Rated Load Current

25: 25 Amps

50: 50 Amps

75: 75 Amps

90: 90 Amps

Operating

Voltage

48: 48-530 VAC

Termination

Blank: Screw

F: Quick Connect (7)

K: Round standoffs

10

A

Thermal Pad

Blank: Not Included

H: Included

48

K

H

S

Snubber

Blank: Not Included

S: Included

Switching Type

Blank: Zero Voltage Turn-On

-10: Instantaneous Turn-On (8)

-10

Required for valid part number

For options only and not required for valid part number

OUTPUT SPECIFICATIONS (1)

90A

75A

50A

25A

Description

Operating Voltage (47-440Hz) [Vrms] (2)

48-530

Transient Overvoltage [Vpk]

800

Maximum Off-State Leakage Current @ Rated Voltage [mArms] (3)

1

Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec]

500

Maximum Load Current [Arms] (4)

25

50

75

90

Minimum Load Current [mArms]

150

Maximum 1 Cycle Surge Current (50/60Hz) [Apk]

239/250

597/625

954/1000

1145/1200

Maximum On-State Voltage Drop @ Rated Current [Vrms]

1.15

Thermal Resistance Junction to Case (Rjc) [°C/W]

Maximum 1/2 Cycle I² t for Fusing (50/60Hz) [A² sec]

0.8

0.45

0.3

0.27

285/259

1770/1621

4555/4150

6560/5976

Minimum Power Factor (at Maximum Load)

0.5

INPUT SPECIFICATIONS (1)

Description

D48xx

A48xx

Control Voltage Range

4-32 VDC

90-280 Vrms (60Hz)

Maximum Reverse Voltage

-32

-

Minimum Turn-On Voltage

4.0 VDC (5)

90 Vrms

Minimum Turn-Off Voltage

1.0 VDC

10 Vrms

Minimum Input Current

7.0 mA

5.0 mA

Maximum Input Current

12 mA

10 mA

Nominal Input Impedance

Current Regulated

Maximum Turn-On Time [msec]

1/2 Cycle (6)

20

Maximum Turn-Off Time [msec]

1/2 Cycle

30

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