ABB NFZ44E-23 1SBH136001R2344 Low-Power Contactor Relay

Description

Technical Specifications

Core Identification

• Model: NFZ44E-23
• Part Number: 1SBH136001R2344
• Manufacturer: ABB
• Product Type: Low-Power Contactor Relay
• Series: NFZ
• Pole Configuration: 8 poles (4 NO + 4 NC)
• Contact Arrangement: Mechanically linked auxiliary contacts
• Weight: Approximately 0.36 kg (0.79 lbs)

Control Circuit Specifications

• Control Voltage Range: 100–250 V AC (50/60 Hz) and 100–250 V DC
• Coil Type: Electronic coil with wide voltage acceptance
• Power Consumption: Ultra-low holding power (68% less than standard relays)
• Voltage Dip Immunity: Compliant with SEMI F47-0706 standards
• Surge Protection: Built-in, no external suppressors required
• PLC Compatibility: Direct control from PLC outputs ≥ 24 V DC, 500 mA

Contact Specifications

• Number of NO Contacts: 4
• Number of NC Contacts: 4
• Thermal Current (Ith): 16 A
• Rated Operational Voltage (Ue): Auxiliary circuit up to 690 V
• Contact Material: Silver alloy for high conductivity and long life
• Mechanical Durability: ≥ 10 million operations
• Electrical Durability: ≥ 1 million operations at rated load
• Contact Resistance: ≤ 50 mΩ initial

Mechanical & Mounting

• Dimensions: 86 mm (H) × 45 mm (W) × 110 mm (D)
• Mounting: DIN rail mounting or direct screw mounting
• Termination: Screw terminals for secure connections
• Side-by-Side Mounting: Allows compact installation with minimal spacing
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -55°C to +85°C
• Relative Humidity: 5–95% RH, non-condensing
• Vibration Resistance: IEC 61373 Cat. 1, Class B compliant
• Shock Resistance: IEC 60068-2-27 compliant

Certifications & Compliance

• International Standards: IEC/EN 60947-1, IEC/EN 60947-5-1
• Railway Standards: IEC 60077-1/-2, EN 50155 (applicable parts)
• Safety Standards: UL 60947-5-1, CSA C22.2 No. 60947-5-1
• Fire Safety: EN 45545-2 (HL2, HL3 hazard levels)
• EMC Compliance: EN 55011, EN 61800-3
• Environmental: RoHS Directive compliant
• Regional Approvals: CE, CCC, GOST

Key Features

Ultra-Wide Voltage Compatibility

• Accepts 100–250 V AC/DC control voltage with a single coil
• Eliminates coil replacement requirements across global voltage systems
• Manages large voltage fluctuations without performance degradation
• Supports both sinusoidal AC and DC control supplies seamlessly
• Reduces inventory complexity with universal coil design

Exceptional Energy Efficiency

• Delivers 68% lower coil power consumption than standard contactor relays
• Minimizes heat generation and energy usage in control panels
• Enables direct PLC control without additional interface components
• Reduces overall system energy costs in large installations
• Supports sustainable industrial operations with green technology

Robust Electrical Performance

• Provides mechanically linked 4 NO + 4 NC contacts for reliable switching
• Offers built-in surge protection to safeguard against voltage transients
• Withstands short voltage dips and sags per SEMI F47-0706 standards
• Delivers consistent performance across extreme temperature ranges
• Ensures stable operation in electrically noisy industrial environments

Industrial-Grade Durability

• Constructed with high-quality materials for extended service life
• Features silver alloy contacts for low resistance and minimal wear
• Withstands high levels of vibration and shock per railway standards
• Complies with strict fire and smoke safety regulations (EN 45545-2)
• Designed for continuous operation in demanding industrial conditions

Flexible Installation & Integration

• Supports both DIN rail and direct screw mounting options
• Enables compact side-by-side installation with 15% space savings
• Features screw terminals for secure, reliable wiring connections
• Integrates seamlessly with ABB control systems and third-party PLCs
• Allows easy replacement in existing installations with standard form factor

Advanced Protection Features

• Built-in surge protection eliminates need for external suppressors
• Comprehensive EMC filtering ensures reliable operation in noisy environments
• Overvoltage protection safeguards coil and contact circuits
• Temperature monitoring prevents overheating and component failure
• Mechanical interlocking ensures proper contact operation

Application Scenarios

Industrial Automation

• PLC Control Systems: Direct switching of control signals in manufacturing lines
• Motor Control Centers: Auxiliary circuit switching in motor control panels
• Conveyor Systems: Control of start/stop and direction signals
• Packaging Machinery: Signal switching for packaging line automation
• Material Handling: Control of sensors, actuators, and safety circuits

Railway & Transportation

• Train Control Systems: Auxiliary switching in railway rolling stock
• Signaling Systems: Control of railway signaling circuits
• Door Control Systems: Switching for passenger door operation
• HVAC Control: Regulation of heating, ventilation, and air conditioning
• Battery Management: Control of charging and power distribution circuits

Power Distribution

• Switchgear Control: Auxiliary switching in medium-voltage switchgear
• Transformer Control: Monitoring and control signal switching
• UPS Systems: Control of backup power supply circuits
• Generator Control: Starting and monitoring signal switching
• Power Factor Correction: Control of capacitor bank switching

Building Automation

• HVAC Systems: Control of fan, pump, and damper actuators
• Fire Safety Systems: Switching for fire alarm and suppression circuits
• Lighting Control: Management of emergency and general lighting circuits
• Elevator Control: Auxiliary switching for elevator control systems
• Security Systems: Control of access control and surveillance circuits

Process Industries

• Water & Wastewater: Control of pump and valve actuation circuits
• Chemical Processing: Signal switching in hazardous area applications
• Food & Beverage: Control of processing equipment and safety circuits
• Pharmaceutical Manufacturing: Auxiliary switching in cleanroom environments
• Paper & Pulp: Control of machinery and process monitoring circuits

Renewable Energy

• Solar Inverters: Control of grid connection and monitoring circuits
• Wind Turbines: Auxiliary switching for pitch and yaw control systems
• Energy Storage: Control of battery charging and discharging circuits
• Smart Grids: Signal switching for distributed energy resource management
• Hydroelectric Plants: Control of turbine governing and monitoring circuits

Marine & Offshore

• Ship Control Systems: Auxiliary switching in marine automation
• Engine Room Control: Monitoring and control signal switching
• Navigation Systems: Control of radar and communication circuits
• Ballast Management: Control of pump and valve operation
• Safety Systems: Switching for fire detection and suppression circuits