Product overview: 2638A-20CHKIT |20-Channel Expansion Kit for 2638A
The 2638A-20CHKIT consists of one 2638A-RLY extra relay card (4410452) and one 2638A-100 universal input connector (4410418). This kit allows for easy 20-channel user-installable expansion for your 20- or 40-channel model or an extra backup relay card and input module for your 60-channel system. These kits may be installed by the user without the need for recalibration.
Specifications: 2638A-20CHKIT |20-Channel Expansion Kit for 2638A
Models: 2638A-20CHKIT |20-Channel Expansion Kit for 2638A
2638A-20CHKIT
20-Channel Expansion Kit for 2638A (includes 1 relay board and 2638A-100 connector)