New Original Schneider XB4BA51 XB4 modular yellow push button
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New Original Schneider XB4BA51 XB4 Modular Yellow Push Button
1. Product Overview
2. Main Functions
- Momentary Signal Trigger Output
When manually pressed, the built-in normally open contact closes to send an active switching signal; once external pressure is released, the internal reset spring automatically rebounds the button head, and the contact returns to the open state. Yellow color is generally applied for jog operation, test activation, warning triggering and auxiliary function start-up in industrial sites.
- Control Logic Signal Transmission
It transmits manual operation signals to intermediate relays, contactor coils or PLC digital input modules, to realize manual jog control, test mode activation, auxiliary equipment startup and logic switching for automatic program sequences.
- Independent Local Manual Operation Control
Provides on-site manual operation separate from remote control modes, convenient for equipment trial running, commissioning, jog testing and temporary auxiliary activation during maintenance and troubleshooting.
- Modular Compatibility for Function Expansion
Fully compatible with all contact blocks, contact bases and dedicated accessories of the XB4 product line. Users can expand multiple normally open or normally closed contacts flexibly to meet the wiring requirements of complex interlock and control circuits.
- Standardized Color Identification Management
Yellow complies with international electrical safety color coding rules, used for jogging, test operation, auxiliary actuation and attention-triggered operations, helping operators distinguish functional purposes quickly and standardize on-site operation management.
3. Technical Features
Core Electrical & Performance Specification Table
| Specification Item | Technical Parameter |
|---|---|
| Full Model Number | XB4BA51 |
| Product Series | Schneider Harmony XB4 Modular Control Components |
| Actuator Type | Flush round head, non-illuminated, unmarked |
| Actuator Color | Yellow |
| Operation Mode | Spring return (momentary type) |
| Internal Contact Configuration | 1 Normally Open (1NO), slow-break structure |
| Terminal Marking | Terminals 13-14 for NO contact |
| Rated Insulation Voltage (Ui) | 600 V |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| AC Rated Operational Current (AC-15) | 6 A @ 120 V AC; 3 A @ 240 V AC |
| DC Rated Operational Current | 0.55 A @ 125 V DC |
| Mechanical Endurance Life | 10,000,000 operation cycles |
| Electrical Endurance Life (under rated load) | 1,000,000 operation cycles |
| Ingress Protection Class | IP66, IP67, IP69K |
| Mechanical Impact Resistance Grade | IK06 |
| Operating Ambient Temperature Range | -40 °C ~ +70 °C |
| Storage Temperature Range | -45 °C ~ +85 °C |
| Standard Panel Mount Hole Diameter | 22 mm |
| Wiring Terminal Type | Screw clamping terminal |
| Applicable Wire Cross Section | 0.22 ~ 2.5 mm² single solid wire; maximum 2 × 1.5 mm² wires with wire ferrules |
| Conforming Standards | IEC 60947-1, IEC 60947-5-1 |
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