Overview
The Square D 9001KA1 fingersafe contact block is a proven 30mm electrical component designed for industrial control panels, emergency stops, and signaling systems. This double-break, direct-acting contact block meets VDE 0106 Part 100 fingersafe contact standards and integrates seamlessly with Square D Harmony 9001K-series push buttons, selector switches, and pilot lights.
Key Features
- Fingersafe Protection: Protected terminal design prevents accidental contact with live terminals during installation and maintenance
- Dual Contact Configuration: 1 NO + 1 NC contacts provide flexible logic control (change-over contact)
- Silver Alloy Contacts: Reliable, low-resistance contact material suitable for both AC and DC applications
- Screw Clamp Terminals: Standard industrial termination for fast field wiring; cross-slotted head design
- Compact 30mm Size: Fits standard Harmony push-button operator assemblies; interchangeable with other Harmony 9001K contact blocks and light modules
Technical Specifications
- 30mm size, nylon body with clear color housing
- Contact Configuration: 1 NO + 1 NC (1 changeover contact)
- AC Rating: 10 A at 120/240/480/600 VAC
- DC Rating: 2.5 A at 125/250/600 VDC
- Terminal Type: Screw clamp (protected, fingersafe)
- Contact Material: Silver alloy
- Contact Action: Momentary, direct-acting
- Mounting: Threaded mounting compatible with Harmony 9001K operators
- IP Rating: IP20 enclosure
- Certifications: UL File No. E42259, CSA File No. LR24590 (Class 3211-03), CE Marked, RoHS Compliant
- Operating Temperature: Standard industrial range
Typical Applications
- Industrial emergency stop circuits and push-button stations
- Manufacturing equipment control panels and interlocking systems
- Process automation signaling and logic switching
- Heavy industry applications requiring oil-tight, dust-tight control without additional protection boots
- Pilot light and indicator assemblies within 30mm enclosures
Compatibility & Replacements
Compatible With
- Schneider Electric Harmony 9001K 30mm push buttons, selector switches, and operators (K, SK, KX types)
- Square D Harmony 9001K series emergency stop mushroom head operators
- Standard 30mm industrial control panel assemblies
- Any system using Telemecanique/Square D Harmony 9001K-series contact blocks
Replaces / Drop-In Replacement For
- Previous-generation Square D 9001K contact blocks with screw clamp terminals
- Telemecanique 9001KA1 contact blocks (identical specification)
- Verify specific application compatibility with your system integrator before ordering for mission-critical applications
Works With
- Standard industrial AC/DC control circuits (120V–600V AC, 125V–600V DC)
- Hardwired relay and contactor logic
- PLC input modules and discrete input scanning
- NEMA 1, NEMA 4/4X, and NEMA 13 enclosure systems
- No software or network integration required; passive electrical component
