PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC ZBA331 - Single Normally Open Contact Block
The SCHNEIDER ELECTRIC ZBA331 is a modular, single normally open (NO) contact block engineered for seamless integration with Harmony XB4 and XB5 series control and signaling units. This component provides a critical electrical switching interface for industrial control panels, enabling robust signal transmission for machine operation, status indication, and safety interlocks. It features screw clamp terminals for secure wiring and facilitates rapid, tool-free assembly onto compatible operator heads.
Technical Specifications:
- SERIES/FAMILY: Harmony XB4, Harmony XB5
- COMPONENT TYPE: Contact Block, Single, Normally Open (NO)
- ELECTRICAL SPECS:
- RATED INSULATION VOLTAGE (Ui): 600V (UL/CSA), 690V (IEC)
- RATED OPERATIONAL VOLTAGE (Ue): Up to 600V AC/DC
- RATED OPERATIONAL CURRENT (Ie): 10A (at 240VAC), 0.27A (at 250VDC)
- CONTACT MATERIAL: Silver Alloy
- MECHANICAL/PHYSICAL:
- TERMINAL TYPE: Screw Clamp
- MOUNTING: Front mounting, snap-on
- CONTACT CONFIGURATION: 1 NO (Normally Open)
- INTERFACE/CONTROL:
- SIGNALING TYPE: Discrete Electrical Contact
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE: -25°C to +70°C
- PROTECTION RATING: Contributes to overall IP rating of assembled operator (e.g., IP66, IP67, IP69, IP69K for XB4/XB5 series)
- COMPATIBILITY/APPLICATION:
- COMPATIBLE OPERATORS: Harmony XB4 and XB5 Pushbuttons, Selector Switches, Pilot Lights
- TYPICAL APPLICATIONS: Industrial Control Panels, Machine Interface Devices, Process Control Systems, Safety Circuit Integration