Description
Overview
The Honeywell 05701-A-0301 is a precision single-channel pressure switch/control card engineered for HVAC systems and industrial process monitoring. Designed for fast response and long-term reliability, this module supports proportional control and provides robust signal handling for catalytic sensors and 4–20 mA analog applications. Its compact and durable construction makes it suitable for harsh environments.
Technical Specifications
| Feature |
Specification |
| Pressure Range |
0–100 inches H₂O (0–254 mm H₂O) |
| Differential Pressure |
0–10 inches H₂O (0–25.4 mm H₂O) |
| Control Type |
Proportional |
| Input Voltage |
24V AC/DC ±20% (Pressure Switch) / 18–32V DC (Control Card) |
| Output Type |
Relay: 1A NO / 1A NC |
| Response Time |
~5 seconds |
| Display |
Four-part liquid display: 25-segment analog, 4-character digital, 4-character message, icon section for Power On/Card Select |
| LED Indicators |
A1, A2, A3 gas alarms; Fault; Inhibit |
| Push-Button |
Alarm Reset / Card Select |
| Alarm Setting Resolution |
1% FSD steps |
| Power Consumption |
Catalytic: 3.75 W typical; 4–20 mA: 3.25 W typical |
| Electronic Drift |
< ±2% per 6 months |
| Dimensions |
17 × 2.5 × 11.2 cm |
| Weight |
0.165 kg |
| Operating Temperature |
-40°C to +85°C |
| Storage Temperature |
-55°C to +125°C |
| Protection Rating |
IP65 |
Key Features
-
High accuracy pressure detection with fast response time
-
Compatible with catalytic sensors and 4–20 mA analog signals
-
Compact design for easy installation and maintenance
-
IP65-rated for reliable operation in challenging conditions
-
Dual functionality as pressure switch or single-channel control card
Applications
-
HVAC Systems: Air conditioning, heating, ventilation, refrigeration
-
Industrial Facilities: Hospitals, factories, commercial buildings
-
Process Control: Interfaces with catalytic sensors for gas and airflow monitoring
FAQ
Q: Can this module handle both AC and DC inputs?
A: Yes, the pressure switch variant supports 24V AC/DC ±20%, while the control card operates on 18–32V DC.
Q: Is it suitable for outdoor installation?
A: With an IP65 protection rating, it is dust-tight and protected against water jets, suitable for harsh environments.
Q: Can it be used with other Honeywell control cards?
A: Yes, it is compatible with standard Honeywell single-channel modules and catalytic sensor interfaces.
