Overview
The Allen-Bradley 595-A is a single-pole auxiliary contact block engineered for industrial motor control applications. This component expands the control capabilities of standard NEMA 500-line contactors by providing additional contact points for signaling, interlocking, and status monitoring. The 595-A integrates seamlessly with 509-series contactors and other compatible starters.
Key Features
- 1 Normally Open (1 NO) contact configuration
- Rated 10 A at 600 VAC
- Side-mount design for compact panel integration
- Screw terminals for reliable connections
- Compatible with NEMA sizes 0–5 starter/contactor combinations
- Modular construction for quick installation and flexibility
Technical Specifications
- Model: 595-A
- Contact Configuration: 1 Normally Open (1 NO)
- Voltage Rating: 600 VAC
- Current Rating: 10 A
- NEMA Size: 0–5
- Mounting Type: Side Mount
- Terminal Type: Screw
- Weight: 0.05 lbs
- Standards: CE, CUL, KC, UL
Typical Applications
- Motor starter interlocking circuits
- Status indication and signaling for motor control panels
- Auxiliary switching for pump and fan motors
- Industrial process control systems requiring additional contacts
- Control logic expansion for multi-motor applications
Compatibility & Replacements
Compatible With
- Allen-Bradley 500-line contactors (509-A, 509-B, 509-C, 509-D, 509-E, 509-F)
- NEMA size 0–5 motor starters
- Standard industrial AC control circuits (600 VAC)
Replaces / Drop-In Replacement For
- Previous generation 595 series auxiliary contacts (series compatibility)
- Direct replacement for OEM 595-A units in existing installations
Works With
- Allen-Bradley Bulletin 500F AC contactors
- NEMA-rated pushbutton stations and pilot devices
- Standard industrial control relays and timing circuits
- Screw-terminal contactor/starter assemblies




















