Prices starting at:
Price
$121.64
Call for Availability
SKU
AHU-RIB
Air-handling unit fan safety alarm circuits for controlling fan start/stop and fan safety shutdown. Master relays have one or two 24 VDC relay outputs and a 10-amp dry contact. Available with two, four, or six normally closed alarm inputs. 24 VAC/VDC power input. NEMA 1 housing.
Typical applications include low limit freeze protection (to stop fan and cut power to damper actuator), static pressure to monitor for high/low pressure conditions, or smoke detector/fire alarms.
- 24 VAC/VDC power input
- Two, four, or six normally closed alarm inputs
LED status of all inputs, master relay, and power input - NEMA 1 enclosure with clear lid for viewing status LEDs
- Contact closer outputs allow a DDC controller to determine the shutdown cause
- UL, cUL, CE, RoHS, CSFM approvals
- Track mount hardware included
Functional Devices RIB Air Handling Unit Fan Safety Alarm Circuits
Don't see the configuration you need? Call us at 800-953-7626.
Alarm Circuits | Master Relay Outputs | Click for Price and Availability |
---|---|---|
AHU Fan Safety Alarm Circuit, NEMA 1 Housing, Track Mount Hardware | ||
4 N/C Alarm Inputs | 1 x 24 VDC, 1 x 10A Dry Contact | RIBLB |
2 N/C Alarm Inputs | 2 x 24 VDC, 1 x 10A Dry Contact | RIBLB-2 |
4 N/C Alarm Inputs | 2 x 24 VDC, 1 x 10A Dry Contact | RIBLB-4 |
6 N/C Alarm Inputs | 2 x 24 VDC, 1 x 10A Dry Contact | RIBLB-6 |