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A21REL-12 4-Channel Relay Driver thumbnail 1

A21REL-12 4-Channel Relay Driver thumbnail 2

Campbell Scientific

A21REL-12 4-Channel Relay Driver

ClimateCommunications

With an A21REL-12, your Campbell Scientific data logger can control up to four external ac or dc devices. This relay driver has four internal relays.

Quantity

1

Specification

Function	Allows a data logger to control up to four external ac or dc devices.
Number of Channels	4
Contact Ratings	1 A (at 20 Vdc) 0.3 A (at 120 Vac)
Coil Current	13 mA/relay
Relays	dual single-pole, double-throw relays
Operating Temperature	-25° to +50°C
Operating Voltage	12 Vdc
Dimensions	14.0 x 6.9 x 3.0 cm (5.5 x 2.7 x 1.2 in.)
Weight	227 g (8 oz)

Downloads

b_a21rel-12	Downloadb_a21rel-12

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