Description
Overview
The Honeywell 05701-A-0329 is a Triple DPCO (Double Pole Change Over) relay card designed for integration with Honeywell System 57 gas detection and safety systems. It delivers three fully independent relay channels, each with dual Form C (SPDT) contacts, providing precise alarm, fault, inhibit, or general-purpose signaling. Its rugged construction and rack-mount form factor make it suitable for continuous industrial operation.
Technical Specifications
| Feature |
Specification |
| Relay Channels |
3 independent channels |
| Contact Type |
Double Pole Change Over (DPCO), dual Form C (SPDT) per channel |
| Status Indicators |
LED per channel for real-time operational feedback |
| Supported Functions |
Alarm, Fault, Inhibit, General-purpose signaling |
| Rack Form Factor |
3U, compatible with standard 19-inch enclosures |
| Dimensions |
170 × 25 × 112 mm |
| Weight |
0.165 kg |
| Operating Environment |
Industrial panels, gas detection and safety systems |
Key Features
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Three-channel relay output for simultaneous monitoring of multiple devices.
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Dual SPDT contacts per channel support versatile control applications.
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LED indicators simplify diagnostics and operational monitoring.
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Compact 3U rack-mount design for streamlined panel integration.
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Designed for reliability in demanding industrial and hazardous environments.
Typical Applications
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Gas Detection: Provides alarm, fault, and inhibit signaling for Honeywell System 57 detectors.
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Industrial Control: Relay-based control for solenoids, interlocks, and alarm systems.
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Safety Systems: Ensures dependable signaling in hazardous zones.
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Process Management: Suitable for refineries, chemical plants, and power generation.
FAQ
Q: Can this relay card be used independently outside System 57?
A: While technically possible, the 05701-A-0329 is optimized for Honeywell System 57 environments. Standalone use may require additional interfacing.
Q: Are all variants physically identical?
A: Minor differences exist in dimensions and weight. Always verify against distributor specifications before installation.
Q: How is maintenance handled?
A: LED indicators aid troubleshooting, but servicing should be conducted by trained personnel familiar with industrial relay cards.
Q: Are there similar models in the System 57 family?
A: Honeywell also offers single and double DPCO relay cards (e.g., 05701-A-0328, 05701-A-0330) with fewer channels for smaller setups.
