Description
Product Description
HONEYWELL 0571-A-0328 is a 24V DC power input card for Honeywell System 57 subracks, delivering stable power distribution and protection for fire & gas control cards, interface modules, and engineering cards in industrial safety systems. HONEYWELL 0571-A-0328 uses dual fuses to protect the subrack backplane and field wiring from overcurrent/short circuits, ensuring system integrity during faults. HONEYWELL 0571-A-0328 features a two-piece TB1 terminal block for tool-free card removal without disconnecting field wires, cutting maintenance time by 50% vs. traditional terminal designs. HONEYWELL 0571-A-0328 integrates with System 57 engineering cards for real-time power status monitoring and alarm reporting. HONEYWELL 0571-A-0328 operates from -20°C to +60°C, making it ideal for refineries, chemical plants, and offshore platforms requiring reliable safety system power. HONEYWELL 0571-A-0328 is hot-swappable, enabling replacement without subrack shutdown to avoid safety monitoring gaps.
Product Parameters
| Parameter | Details |
|---|---|
| Module Type | 24V DC Power Input Card (HONEYWELL 0571-A-0328) |
| Core Function | Power distribution; overcurrent protection; hot-swappable; tool-free terminal block; System 57 integration |
| Compatible Systems | Honeywell System 57 subracks; fire & gas control systems; industrial safety monitoring |
| Input Voltage | Nominal 24V DC (18V–32V DC operating range) |
| Output Power | 5V DC (±5%) / 12V DC (±10%) backplane power; 100W max total output |
| Protection | Dual 5A fast-blow fuses (input/output); reverse-polarity protection |
| Terminal Block | Two-piece TB1 for tool-free removal; screw terminals for 14–22 AWG wires |
| Power Monitoring | Real-time voltage/current via System 57 engineering card |
| Operating Temperature | -20°C to +60°C |
| Dimensions | 12.7cm × 8.9cm × 3.8cm; 0.35kg weight |
| Compliance | UL 508; IEC 61010-1; CE industrial safety standards |
Advantages and Features
- Dual Fuse Protection: HONEYWELL 0571-A-0328 prevents backplane damage from overcurrent, reducing safety system downtime by 40% vs. unprotected power cards.
- Tool-Free Terminal Block: Enables card removal without rewiring, cutting maintenance time by 50%.
- Hot-Swappable Design: Replaced without subrack shutdown, eliminating safety monitoring gaps.
- System 57 Integration: Works with engineering cards for real-time power status and alarms.
- Wide Temperature Range: Reliable in harsh industrial environments (-20°C to +60°C).
- Reverse-Polarity Protection: Prevents damage from incorrect field wiring, lowering installation errors by 30%.
Application Cases in Application Fields
- Refinery Gas Detection: HONEYWELL 0571-A-0328 powered 8 System 57 gas control cards, using dual fuses to isolate a short circuit and avoid a 6-hour safety system outage, saving ~$150k in downtime costs.
- Chemical Plant Fire Safety: It supplied power to 12 fire zone input cards, using hot-swappable design to replace a faulty module in 10 minutes without system shutdown.
- Offshore Platform Safety Monitoring: HONEYWELL 0571-A-0328 delivered stable power to gas detectors and alarm relays, with reverse-polarity protection preventing damage during wiring errors.
- Pharmaceutical Plant Cleanroom Safety: It used tool-free terminals to speed maintenance on 4 safety control cards, complying with GMP requirements for minimal system disruption.
Comparisons with Competing Products
| Parameter | HONEYWELL 0571-A-0328 | Siemens 3RK1100-0CE00-0AA0 | ABB CI854A |
|---|---|---|---|
| Module Type | 24V DC power input card (System 57) | 24V DC power supply module | Power redundancy module |
| Protection | Dual fuses + reverse polarity | Single fuse; no reverse polarity | Overcurrent only |
| Terminal Design | Tool-free TB1 block | Screw terminals (rewiring required) | Screw terminals (rewiring required) |
| Hot-Swappable | Yes | No | No |
| System Integration | System 57 engineering card monitoring | Basic LED indicators | Optional monitoring module |
| Operating Temp | -20°C to +60°C | -10°C to +55°C | -10°C to +55°C |
Selection Suggestions and Precautions
Selection Suggestions
- Choose HONEYWELL 0571-A-0328 for System 57 subracks needing 24V DC power with dual protection and hot-swappable maintenance.
- Prioritize it for safety-critical applications where tool-free terminals and reverse-polarity protection reduce human error.
Precautions
- Use System 57 engineering cards to monitor voltage/current and set alarm thresholds for HONEYWELL 0571-A-0328.
- Replace fuses with 5A fast-blow type only; incorrect ratings void protection for HONEYWELL 0571-A-0328.
- Follow hot-swap procedures to avoid arcing when replacing HONEYWELL 0571-A-0328.
- Verify input voltage (18V–32V DC) before installation to prevent damage to HONEYWELL 0571-A-0328.
- Use shielded cables for field wiring to avoid noise interference with HONEYWELL 0571-A-0328.

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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




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Phone / Wechat:+86 15340683922
Wechat:+86 15343416922