Product Description
The Duelco NST-8 is an emergency stop safety relay designed to provide full doubling and monitoring of the emergency stop function for hazardous industrial machinery. It supports 1 or 2-channel operation with short circuit protection and features forced contacts, internal/external redundancy, and LED indication of supply and output status. The NST-8 is available in five supply voltage versions and is housed in a compact 45 mm DIN rail-mountable enclosure compliant with EN 60204-1 and the European Machinery Directive.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Duelco |
| Model / Part Number | NST-8 |
| Product Type | Emergency Stop Safety Relay |
| Safety Category | Category 4, EN 954-1 |
| Safety Outputs | 3 NO (Normally Open) |
| Signal Output | 1 NC (Normally Closed) |
| Contact Rating (AC) | 6A / 250VAC / 1380VA |
| Contact Rating (DC) | 6A DC |
| Channel Operation | 1 or 2 Channel |
| Supply Voltage Versions | 5 voltage versions available (e.g., 24VAC, 24VDC, 24VAC/DC) |
| Coil Voltage (this unit) | See label — confirm voltage suffix on unit |
| AC Frequency Range | 47–52 / 57–62 Hz |
| Input Fuse (A1/A2) | T 315 mA (PTC fuse, short circuit protection) |
| Mounting Type | DIN Rail |
| Housing Width | 45 mm |
| Reset Type | Manual or Automatic |
| Contact Type | Positive guided / forced contacts |
| LED Indication | Supply and output status (K1, K2) |
| Short Circuit Protection | PTC fuse; short circuit protected transformer (230VAC version) |
| Standards / Compliance | EN 60204-1, MD (98/37/EC), EMC (89/336/EEC), LVD (93/68/EEC) |
| Status | Discontinued by Manufacturer |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Mounting Style DIN Rail
Current Rating 6A
Application Emergency Stop, Machine Safety, Industrial Control
Manufacturer Duelco
Part Number NST-8
Shelf E-19
Model NST-8
MPN NST-8
Type Safety Relay
