Crydom Series EZ Data Sheet

AC CONTROL (120Vac)

EZ240A12 EZ240A18 EZ480A12 EZ480A18

MODEL NUMBERS

(24Vac)

EZE240A12 EZE240A18 EZE480A12 EZE480A18

DC CONTROL (5Vdc) EZ240D12 EZ240D18 EZ480D12 EZ480D18

(24Vdc) EZE240D12 EZE240D18 EZE480D12 EZE480D18

OUTPUT SPECIFICATIONS

➀

Operating Voltage (47-63 Hz) [Vrms] 24-280 24-280 48-660 48-660
Max. Load Current ➃ [Arms] 12 18 12 18
Min. Load Current, [mArms] 150 150 150 150

Transient Overvoltage [Vpk]

600 600 1200 1200

Max. Surge Current, (16.6ms) [Apk]

150 200 150 200

Max. On-State Voltage Drop @ Rated Current [Vpk] 1.5 1.5 1.5 1.5

Thermal Resistance Junction to Case (R

θJC

) [°C/W] 2.0 1.1 2.0 1.1

Maximum I2 t for Fusing, (8.3 msec.) [A2sec] 95 170 95 170
Max. Off-State Leakage Current @

Rated Voltage [mArms]

➄

0.1 0.1 0.1 0.1

Min. Off-State dv/dt @ Max. Rated Voltage [V/ µsec] ➁ 500 500 500 500
Max. Turn-On Time ➅ 1/2 Cycle (DC Input), 10.0 msec (AC Input)
Max. Turn-Off Time 1/2 Cycle (DC Input), 40.0 msec (AC Input)
Power Factor (Min.) with Max. Load 0.5 0.5 0.5 0.5

INPUT SPECIFICATIONS ➀ DC CONTROL

AC CONTROL

Nominal Voltage

5Vdc

5Vdc 24Vdc

120Vac 24Vac

EZE240D12

EZ240A12 EZE240A12

MODEL NUMBERS EZE240D18

EZ240A18 EZE240A18

EZ240D12

EZ480D12 EZE480D12

EZ480A12 EZE480A12

EZ240D18

EZ480D18 EZE480D18

EZ480A18 EZE480A18

Control Voltage Range

3-15 Vdc

4-15 Vdc 15-32 Vdc

90-140 Vrms 18-36 Vrms

Max. Turn-On Voltage

3.0 Vdc

4.0 Vdc 15.0 Vdc

90.0 Vrms 18.0 Vrms

Min. Turn-Off Voltage

1.0 Vdc

1.0 Vdc 1.0 Vdc

10.0 Vrms 2.0 Vrms

Nominal Input Impedance

300 Ohms

240 Ohms 1500 Ohms

10.6k Ohms 1.8k Ohms

Typical Input Current @ Nominal Voltage

15 mAdc

15 mAdc 15 mAdc

10 mArms 10 mArms

GENERAL NOTES

➀ All parameters at 25° C unless otherwise specified.
➁ Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
➂ 240V, DC control models only, all others 2500Vrms.
➃ Heat sinking required, for derating curves see page 2.
➄ Off-State leakage for snubbered

version (suffix S) is 10.0 mArms.

➅ Turn-on time for random turn-on versions

is 0.1 msec (DC Control Models).

• Low Leakage

• Quick Connect Terminals

• SCR Output

• 24V Control Available
(EZE Models)

The Series EZ SPST-NO AC output
relays offer a low profile package
with the convenience of quick con-

FastFax Document No.160
SERIES EZ.101000, PAGE 1 OF 2

nect terminals. The Series EZ is the
preferred choice for replacement of
120V and 240V Electro-mechanical
relays. Output consists of an SCR
switch and is available in Zero-Cross
and Random Turn-On (Phase
Controlable) versions.

Manufactured in Crydom’s ISO 9001
Certified facility for optimum product
performance and reliability.

Series EZ

5-18Amp • 120/240, 480 Vac • AC Output

©2000 CRYDOM CORP, Specifications subject to change without notice.

EZ240D5

24-280

5
150
600

40

1.5

2.0
95

0.1

500

0.5

5Vdc

EZ240D05

4-15 Vdc

4.0 Vdc

1.0 Vdc

300 Ohms

13 mAdc

For recommended applications and more information contact: 
USA: (800) 8 CRYDOM • [phone] •[phone] • fax [phone]
Crydom Corp, 9525 Chesapeake Drive, San Diego, CA 92123 • Email: [e-mail]

WEB SITE: http://www.crydom.com FASTFAX Product Information: [phone]
UK: (44)1202 857300 • fax [phone] Crydom International Ltd., Riverside House 
Brook Road, Wimborne, Dorset, England BH21 2BH, Email: [e-mail].
GERMANY: 0180 3000 506 • fax [phone] Crydom GmbH

AVAILABLE OPTIONS

S Internal Snubber

Example: EZ240D12S

R Random Turn-On Switching (240V Only)

Example: EZ240D12R, EZ240D12RS

EZ240D5R

GENERAL SPECIFICATIONS

Dielectric Strength ➂ 50/60Hz Input/Output/Base 4000 Vrms*
Insulation Resistance (Min.) @ 500 Vdc 109Ohm
Max. Capacitance Input/Output 8 pF
Ambient Operating Temperature Range -40 to 80°C
Ambient Storage Temperature Range -40 to 125°C

MECHANICAL SPECIFICATIONS

Weight: (typical) 1.5 oz. (43g)
Encapsulation: Thermally Conductive Epoxy
Terminals: .25 Inch Faston

*240V, DC Control Models Only.

All dimensions are in inches (millimeters)

APPROVALS

UL E116950
CSA LR81689
VDE 10139 UG (240V DC Control Only)

2.63

(66.8)

2.24

(56.9)

1.50

(38.1)

.49

(12.4)

1.00

(25.4)

1.73

(43.9)

.95

(24.1)

.40

(10.2)

.12

(3.0)

SOLID-STATE RELAY

1

OUTPUT

INPUT

2

3+ 4

FASTON
TERMINAL
.250 X .032
4 PLCS.

.197 DIA.
(2 PLCS)

CURRENT DERATING CURVES

Crydom Heat Sinks offer excellent ther­mal management and are perfectly
matched to the load current ratings of
Crydom panel mount relays. Request
Crydom’s Heat Sink specification sheet for
all the details.

FastFax Document No.160
SERIES EZ.101000, PAGE 2 OF 2

Series EZ

5-18Amp • 120/240, 480 Vac • AC Output

©2000 CRYDOM CORP, Specifications subject to change without notice.

PIN 1: AC LOAD
PIN 2: AC LOAD
PIN 3: +DC CONTROL
PIN 4: ---DC CONTROL

5A

10°C/W

NO HEATSINK

5°C/W

110

115

Base Plate Temp [°C]

120

6
5
4
3
2

Power Dissipation

1

2 3 5 104 20 40 60 80

1

Load Current [Arms] Max Ambient Temp. [°C]

15

10

5

Power Dissipation [W]

0

2 4 8 10 126 20 40 60 80

Load Current [Arms] Max Ambient Temp. [°C]

12A

NO HEATSINK

6°C/W

4°C/W

2°C/W

112

116

120

124

Base Plate Temp [°C]

18

12

6

Power Dissipation [W]

0

3 6 12 15 189 20 40 60 80

Load Current [Arms] Max Ambient Temp. [°C]

18A

NO HEATSINK

5°C/W

2°C/W

112

116

120

Base Plate Temp [°C]

124

For recommended applications and more information contact:
USA: (800) 8 CRYDOM • [phone] •[phone] • fax [phone]
Crydom Corp, 9525 Chesapeake Drive, San Diego, CA 92123 • Email: [e-mail]

WEB SITE: http://www.crydom.com FASTFAX Product Information: [phone]
UK: (44)1202 857300 • fax [phone] Crydom International Ltd., Riverside House
Brook Road, Wimborne, Dorset, England BH21 2BH, Email: [e-mail].
GERMANY: 0180 3000 506 • fax [phone] Crydom GmbH,