Product Description
Honeywell 05701-A-0328 System 57 Relay Card
- Manufacturer: Honeywell Analytics
- Series: System 57
- Model/Part Number: 05701-A-0328
- Description: Triple SPCO Relay Card for gas detection systems in System 57 series
Overview
The Honeywell 05701-A-0328 is a Triple Single Pole Changeover (SPCO) Relay Card from the System 57 series, designed for use in Honeywell’s gas detection systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | 05701-A-0328 |
| Series | System 57 |
| Type | Triple SPCO Relay Card |
| Function | Provides alarm, fault, and inhibit outputs for gas detection systems |
| Relay Configuration | 3 independent channels, each with 1 Form-C (SPDT) relay (A1, A2, A3, Fault, Inhibit) |
| Relay Contact Rating | 5 A at 250 VAC or 30 VDC (resistive load) |
| Inputs | Interfaces with System 57 control cards (e.g., 05701-A-0301, 05701-A-0302) |
| Outputs | 3 SPCO relays for alarm levels (A1, A2, A3), fault, and inhibit signals |
| Indicators | LEDs for status indication per channel (alarm, fault, inhibit) |
| Connectors | Terminal blocks for relay output wiring |
| Compatibility | System 57 controllers, 5701/5704 series gas detectors |
| Mounting | Plugs into System 57 rack (e.g., 05701-A-0502, 05701-A-0516) |
| Power Supply | 24 VDC (supplied by System 57 rack) |
| Power Consumption | Approx. 1–2 W (dependent on relay activation) |
| Operating Temperature | -25°C to +55°C (-13°F to +131°F) |
| Storage Temperature | -40°C to +70°C (-40°F to +158°F) |
| Relative Humidity | 0% to 90% (non-condensing) |
| Dimensions | Approx. 25 mm x 75 mm x 110 mm (1 x 3 x 4.3 in) |
| Weight | Approx. 0.2 kg (0.44 lbs) |
| Certifications | EN50270 (EMC), ATEX, UL, CSA (for System 57 compatibility) |
| Manual | System 57 Technical Manual (available via Honeywell Analytics) |