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Omron Monitoring Relay Single Phase SPST Contact DIN Rail Mount 20.4-26.4 V AC/DC 2mA-500mA K8DT-AS1TD
Specifications
| Country of Origin | China |
|---|---|
| Brand | Omron |
| Height | 90mm |
| Length | 90mm |
| Model | K8DT-AS1TD |
| IP Rating | IP20 |
| Width | 17.5mm |
| Mount Type | DIN Rail |
| Series | K8DT-AS |
| Maximum Operating Temperature | 60°C |
| Contact Configuration | SPST |
| Time Delay | 250 ms |
| Minimum Operating Temperature | +60°C |
| Terminal type | Push-in |
| Electrical Phase | 1 |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 111-3090Brand: OmronManufacturers Part No.: K8DT-AS1TD |
| Supply DC Voltage | 20.4 → 26.4 V dc |
| Supply AC Voltage | 26.4V ac |
| Minimum Current Sensed | 2mA |
| Maximum Current Sensed | 500mA |
| Current Sensitivity | Overcurrent, Undercurrent |
| Relay Contact Current | 2, 500mA |
Key Features
- Operates from 20.4 to 26.4 V AC/DC supply for versatile power options.
- Push-in terminal connections enable quick and secure wiring installation.
- 250 ms time delay prevents nuisance trips caused by transient current fluctuations.
- Monitors overcurrent and undercurrent conditions to protect equipment and automation systems.
- Compact DIN rail mount design saves panel space and allows easy integration.
- Single-pole single-throw (SPST) contact suitable for simple on/off switching applications.
- IP20 rated enclosure requires protected installation environment.
- Reliable detection of current deviations for motor load monitoring and process alarms.
Product Description
Omron K8DT-AS1TD Monitoring Relay is a compact DIN rail-mounted device designed for precise detection and signalling of current deviations in single-phase electrical systems. It supports both AC and DC low voltage supplies ranging from 20.4 to 26.4 volts, making it adaptable to diverse installation environments. Featuring an SPST contact configuration with push-in terminals, the relay enables straightforward wiring and integration for control panels.
This relay senses current within a wide range of 2 mA to 500 mA, allowing fine resolution detection of both overcurrent and undercurrent conditions. It incorporates a 250 ms time delay to prevent false alarms caused by transient current spikes, enhancing operational reliability in industrial and automation applications.
The device is housed in an IP20-rated enclosure suitable for installation inside control cabinets, protecting it from dust and ingress. The relay contact switches when the monitored current crosses predefined thresholds, activating alarms or control logic such as PLC inputs to ensure timely response to system faults.
Ideal applications include motor load monitoring to identify stalled motor conditions, conveyor system supervision with phase-limited current requirements, process automation alarm signalling, and current draw monitoring on single-phase pumps. It is also suitable for retrofit protection of small machines in workshop environments.
Installation is expedited by push-in terminal technology allowing tool-free conductor insertion and secure retention. The relay's compact footprint (90 mm height × 17.5 mm width × 90 mm length) ensures efficient use of panel space while complying with EN 60947-5-1, RoHS, and UL 60947-5-1 standards.
Operates with 20.4 to 26.4 V AC/DC supply voltage range. Current sensing capability from 2 mA to 500 mA with overcurrent and undercurrent monitoring. Push-in terminal connections for quick wiring without tools. 250 ms time delay prevents nuisance trips from transient currents.
SPST contact configuration suitable for on/off control logic integration. Compact DIN rail mounting for space-saving installation. IP20 ingress protection rating for controlled environment use.
Omron's K8DT-AS1TD Monitoring Relay is a robust solution for industrial automation, electrical protection, and process control applications requiring sensitive current supervision in single-phase circuits. Browse the Electronics & Electricals category at EnvMart for more high-quality relay components from leading brands like Omron.
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Frequently Asked Questions
It operates from 20.4 to 26.4 V AC/DC, allowing for versatile power options in various applications.
This model can sense currents ranging from 2 mA to 500 mA, enabling detection of both overcurrent and undercurrent conditions.
It features a single-pole single-throw (SPST) contact configuration, suitable for simple on/off switching applications.
The relay incorporates a 250 ms time delay to prevent nuisance trips caused by transient current fluctuations, enhancing operational reliability.
The device has an IP20 ingress protection rating, which requires a protected installation environment.
The relay has a compact footprint of 90 mm in height, 17.5 mm in width, and 90 mm in length, making it efficient for panel space usage.
It utilizes push-in terminal connections, allowing for quick and secure wiring installation without the need for tools.
The maximum operating temperature is 60°C, ensuring it can function effectively in various conditions.
It is ideal for motor load monitoring, conveyor system supervision, process automation alarm signalling, and current draw monitoring on single-phase pumps.
The minimum operating temperature is +60°C, which indicates the conditions under which it can operate.
This relay complies with EN 60947-5-1, RoHS, and UL 60947-5-1 standards, ensuring it meets relevant safety and performance criteria.
Yes, the IP20-rated enclosure makes it suitable for installation inside control cabinets, protecting it from dust and ingress.
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