Overview
The EMM EH1 terminal blocks are a proven solution for electrical distribution and control wiring in industrial applications. Manufactured by Electro-Matic Products, these barrier-style screw terminals support voltages up to 600V and currents up to 30A, accommodating wire sizes from 12 to 22 AWG. This box of 80 units provides engineers and maintenance technicians with ready-to-install components for panel builds, machine controls, and facility upgrades.
Key Features
- 600V rated voltage with 30A current capacity
- Accepts 12–22 AWG copper conductors
- Screw-terminal connection design for tool-free field adjustments
- Thermoplastic barrier construction rated UL 94VO
- Channel-mount compatible for DIN rail integration
- Box of 80 terminals for high-volume deployments
Technical Specifications
| Voltage Rating | 600V AC/DC |
| Current Rating | 30A |
| Wire Size | 12–22 AWG (copper) |
| Screw Type | #6-32 zinc-plated Phillips-slot |
| Torque Rating | 9 in-lb maximum |
| Center Spacing | 0.437 inch (7/16″) / 11.10 mm |
| Barrier Material | Thermoplastic, UL 94VO rated |
| Operating Temperature | –40°C to +105°C (–40°F to +221°F) |
| Breakdown Voltage | 8200V RMS (dielectric strength) |
| UL Certification | UL E62622 |
| CSA Certification | LR15364 |
| IEC Compliance | CE Certified |
| Quantity per Box | 80 units |
| Mounting Style | Channel-mount with standoff feet |
| Manufacturer | Electro-Matic Products (EMM) |
Typical Applications
- Industrial Control Panels: Terminal distribution for PLC input/output circuits, motor starters, and relay logic.
- Machine Automation: Junction points for servo drives, hydraulic solenoid coils, and sensor networks in manufacturing equipment.
- HVAC Systems: Thermostat and control wiring in commercial heating, cooling, and ventilation networks.
- Electrical Cabinets: 600V-rated wire termination in motor control centers, variable frequency drives, and distribution boards.
- Facility Maintenance: Replacement and expansion of existing terminal infrastructure in retrofits and upgrades.
Compatibility & Replacements
Compatible With
- DIN 35mm rail channel-mount systems
- Industrial control enclosures (NEMA 1, NEMA 4, NEMA 4X rated cabinets)
- IEC-compliant automation wiring standards
- Standard #6-32 Phillips-slot screw fasteners
- Copper and tinned-copper conductors, 12–22 AWG
- 600V industrial AC and DC distribution circuits
Replaces / Drop-In Replacement For
- EMM EH barrier-style terminal blocks (standard single-position units)
- Equivalent 600V 30A screw terminals from legacy industrial stock
- Generic barrier-style terminals with matching 11.10 mm center spacing and #6-32 screw configuration
Works With
- Channel-mounted 600V terminal series (EMM EE, EF, CB3 compatible accessories)
- Barrier end plates and partition plates for terminal block expansion
- Mounting channels rated for 600V industrial wiring
- Standard electrical installation practices per NEC Article 300 and IEC 61076 wiring standards





