CUI DEVICES | SERIES: PR21 | DESCRIPTION: POWER RELAY

date 08/09/2022 | page 2 of 6

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CONTACT SPECIFICATIONS

parameter

conditions/description

min

typ

max

units

contact form

2 Form A, 2 Form C

contact material

Ag alloy

contact rating

8 A @ 250 Vac

8 A @ 30 Vdc

contact resistance

at 6 Vdc, 1.0 A

100

mΩ

max switching voltage

440

120

Vac

Vdc

max switching current

8

A

max switching power

2,000

240

VA

W

min switching load

5 Vdc, 100 mA

life

electrical

mechanical

100,000

20,000,000

operations

operations

GENERAL SPECIFICATIONS

parameter

conditions/description

min

typ

max

units

insulation resistance

at 500 Vdc

1,000

MΩ

dielectric strength

between open contacts for 1 minute

between coil and contacts for 1 minute

1,000

5,000

Vac

Vac

operate time

10

ms

release time

5

ms

shock resistance

endurance

misoperation

1,000

100

m/s²

m/s²

vibration resistance

endurance: 10~55 Hz, 1.5 mm double amplitude

misoperation: 10~55 Hz, 1.5 mm double amplitude

operating temperature

-40

85

°C

humidity

at 40°C

35

95

%RH

weight

13.0

g

safety approvals

UL/cUL 508

flammability rating

UL94V-0

RoHS

yes

packaging

tube: 25 pcs per tube

carton size: 388 x 360 x 154 mm

carton QTY: 1,000 pcs per carton

SOLDERABILITY

parameter

conditions/description

min

typ

max

units

hand soldering

for 3.5±0.5 seconds

340

350

360

°C

wave soldering

for 10±1 seconds

255

260

265

°C

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