Email: sales@runshengdcs.com
WhatsApp / Wechat：+86 15383419322
Phone：+86 15383419322Description
The ABB 3BHB004027R0101 is a SIL 3 certified Safety Digital Output Module for ABB’s AC 800M High Integrity systems, engineered to execute critical shutdown commands in nuclear, oil/gas, and power generation applications. This triple-redundant module provides fail-safe control of actuators, valves, and trip circuits with deterministic response times <10 ms, certified to IEC 61508:2010 Edition 2. The 3BHB004027R0101 features patented Dual-Diversity Solid-State Switching technology – combining MOSFET and IGBT outputs – to eliminate single-point failures while delivering 5A continuous current per channel. With 2500V galvanic isolation and cyber-secure firmware validation, it ensures reliable de-energization of safety loads even during seismic events (IEEE 344) or EMI interference (100V/m). For safety instrumented systems requiring uncompromising reliability, this module integrates with ABB’s 800xA DCS to manage reactor scram systems, turbine emergency stops, and HIPPS final elements.
ABB 3BHB004027R0101
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 3BHB004027R0101 |
| Manufacturer | ABB |
| Product Type | Safety Digital Output Module |
| Output Type | Solid-State (MOSFET+IGBT redundant) |
| Channels | 8 (triple-redundant) |
| Load Voltage | 24-48V DC / 48-230V AC |
| Max Continuous Current | 5A per channel (resistive) |
| Inrush Capacity | 15A for 200ms |
| Isolation | 2500V channel-to-backplane |
| Response Time | ≤10ms (trip command) |
| Safety Certification | SIL 3 (IEC 61508 Ed.2), TÜV |
| Leakage Current | <1μA (off-state) |
| Diagnostic Coverage | >99.9% |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | 4.2W @ 24V DC |
| Switching Frequency | 1kHz max |
| MTBF | >400,000 hours |
| Arc Energy Suppression | <2mJ (internal snubber) |
| Dimensions | 118 x 128 x 112 mm (4.65 x 5.04 x 4.41 in) |
Main Features and Advantages
Fail-Safe Architecture:
Triple-redundant voting with 2-out-of-3 (2oo3) logic
Cross-monitored MOSFET/IGBT outputs per channel
Automatic load current measurement (±1% accuracy)
Cyber-Physical Security:
Secure boot with TPM 2.0 cryptographic module
Signed firmware updates via Control Builder M
IEC 62443-3-3 SL2 compliant
Advanced Protection:
Integrated ArcSafe™ technology suppresses 150V/μs dv/dt transients
Back-EMF clamping (<400V) protects inductive loads
Channel-level overtemperature derating
Maintenance Optimization:
Predictive contact resistance trending
Hot-swappable with ABB SafeSwap tools
Lifetime usage counters (switching cycles)
Application Field
The ABB 3BHB004027R0101 executes critical safety actions:
Nuclear Power: Scram solenoid control, containment vent valve actuation
Power Generation: Turbine overspeed trip bolts, boiler emergency feedwater valves
Oil & Gas: HIPPS valve closure, subsea BOP control
Chemical: Reactor quench system activation
Hydrogen Infrastructure: Emergency venting controls (ATEX/IECEx Zone 1)
Deployed in SIL 3 safety cabinets for AP1000® plants and FPSO ESD systems where -40°C Arctic operation is required.
ABB 3BHB004027R0101
Related Products
ABB 3BHB004027R0001: Previous-gen module (upgrade path)
ABB SD832: SIL 3 Safety CPU for logic processing
ABB TA521: Complementary digital input module
ABB CI872: PROFINET IRT interface for safety networks
ABB 3BSE008517R1: Relay output alternative
ABB S800 I/O High-Density Baseplate: Mounting platform
ABB 3BHB004027R0102: Enhanced version with 8A/channel capacity
ABB PHARPS32: Redundant power supply system
