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ABB CAL5-11 1SBN010020R1011 Auxiliary Contact Block  

1. Key Parameters

• Product Model: CAL5-11 (Ordering Part Number: 1SBN010020R1011)
• Product Series: ABB CAL Series Auxiliary Contact Blocks (Contactor/Starter Logic Expansion)
• Core Function: Expands the control logic of compatible ABB contactors/starters with additional auxiliary contacts; provides 1 normally open (NO) + 1 normally closed (NC) contacts; mechanically links to the main device to synchronize contact state (on/off); supports low-voltage control circuits; ensures electrical isolation for signal integrity
• Electrical & Contact Specifications:

  Parameter	Details	Performance Metrics
  Contact Configuration	- Quantity: 1 Normally Open (NO) + 1 Normally Closed (NC) - Contact Type: Double-break (for reliable switching) - Rated Current (AC-15): 10A @ 230V AC; 6A @ 400V AC - Rated Current (DC-13): 2A @ 24V DC; 1A @ 60V DC - Voltage Rating: Max 400V AC / 60V DC	Double-break contacts ensure stable switching in low-voltage control circuits; 10A AC rating supports most industrial interlock and status feedback needs
  Electrical Isolation	- Isolation Voltage: 2.5kV AC (auxiliary contacts to main device frame, 1 minute) - Dielectric Strength: 1.5kV AC (between NO and NC contacts, 1 minute)	High isolation prevents ground loops and signal interference in noisy industrial environments (e.g., near VFDs or large motors)

• Mechanical & Compatibility Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 22.5mm (W) × 80mm (H) × 65mm (D) - Mounting Type: Snap-on installation to compatible ABB contactors/starters (no tools required) - Housing Material: Flame-retardant thermoplastic (UL 94 V0) - Weight: Approximately 45g - Actuation: Mechanical linkage to main contactor/starter (synchronized on/off)	Ultra-narrow 22.5mm width matches ABB’s compact contactors (e.g., A50, AF26); snap-on design enables 10-second installation without tools
  Compatibility	- Compatible Devices: ABB A-series contactors (A50-A185), AF-series contactors (AF26-AF185), MS-series motor starters (MS132-MS325) - Mounting Position: Side-mounted on compatible devices (left or right, reversible)	Wide compatibility with ABB’s core contactor/starter lineup; reversible mounting saves cabinet space by allowing left/right installation

• Environmental Ratings:

  Parameter	Details	Performance Metrics
  Operating Conditions	- Operating Temperature Range: -25℃~+60℃ (-13℉~140℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - Shock Resistance: 25g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61326-3-1 (emission: Class B; immunity: Level 3)	Extreme temperature range suits unconditioned industrial spaces; EMC immunity resists interference from motors, relays, and power transients

• Compliance Standards: CE, UL 508, CSA C22.2 No.14, IEC 60947-5-1 (auxiliary contacts), RoHS, ISO 9001 |

2. Core Features

• 1NO+1NC Contact Configuration: Provides one normally open and one normally closed double-break contact—supports common control logic needs (e.g., "contactor on" status feedback via NO, "contactor off" interlock via NC) without requiring multiple auxiliary blocks.
• Tool-Free Snap-On Installation: Mechanically snaps onto compatible ABB contactors/starters in seconds—eliminates screws or wiring for mounting, reducing installation time and ensuring consistent alignment with the main device’s actuation mechanism.
• Wide Compatibility: Works with ABB’s A-series, AF-series contactors, and MS-series motor starters—integrates seamlessly with existing ABB control systems, avoiding the need for proprietary adapters or reconfiguration.
• Compact & Space-Saving Design: 22.5mm width matches the footprint of ABB’s compact contactors—enables dense mounting (e.g., two CAL5-11 blocks on one A50 contactor) without wasting DIN rail or cabinet space.
• Industrial-Grade Isolation: 2.5kV AC isolation between auxiliary contacts and the main device frame—prevents signal interference and ground loops in high-noise environments (e.g., near welding machines or industrial pumps).
• Flame-Retardant Durability: UL 94 V0 thermoplastic housing—meets strict fire safety standards for electrical enclosures; -25℃~+60℃ operating range ensures reliability in harsh industrial or commercial environments (e.g., factory floors, outdoor pump stations).
• Synchronized Mechanical Linkage: Directly couples to the main contactor/starter’s actuation mechanism—ensures auxiliary contacts switch simultaneously with the main power contacts (no delay), critical for time-sensitive interlocks (e.g., emergency stop circuits).

3. Application Fields

• Manufacturing Automation: Contactor Logic Expansion:
  • Conveyor Control Systems: Adds 1NO+1NC contacts to ABB AF26 contactors—NO contact triggers "conveyor running" LEDs; NC contact interlocks with upstream/downstream conveyors to prevent product jams.
  • Packaging Machines: Expands ABB A50 contactors controlling sealing drives—NO contact signals a PLC that the sealer is active; NC contact disables film unwind if the sealer fails, reducing material waste.
• Building HVAC & Utilities: Status Feedback & Interlocks:
  • HVAC Fan Control: Mounts on ABB MS325 motor starters for air handler fans—NO contact sends "fan on" data to BMS; NC contact locks out fan start if the air filter is clogged (via a pressure switch).
  • Pump Stations: Adds auxiliary logic to ABB AF125 contactors for water pumps—NO contact logs pump runtime for maintenance scheduling; NC contact prevents pump restart during a system pressure fault.
• Industrial Machinery: Sequential Control:
  • Compressor Systems: Expands ABB A110 contactors for air compressors—NO contact enables a downstream dryer once the compressor is running; NC contact shuts down the compressor if the oil level is low.
  • Robot Cells: Adds interlocks to ABB AF63 contactors powering robot drives—NO contact signals the robot controller that power is applied; NC contact locks the cell door while the robot is active, enhancing operator safety.
• Commercial & Institutional Facilities: Safety & Monitoring:
  • Elevator Control Panels: Mounts on ABB MS132 starters for elevator door motors—NO contact confirms door closure to the elevator controller; NC contact triggers an alarm if the door motor fails to actuate.
  • Data Center UPS Systems: Expands ABB A80 contactors for UPS bypass circuits—NO contact verifies bypass is active; NC contact disables the main UPS inverter during bypass, preventing backfeeding.
• 
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The structure and details of the product：

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