Global
These are navigation links to move inside this page.
SitemapDigital Heater Element Burnout Detector
K8AC-H
A high-precision Heater Element Burnout Detector compatible with a wide-range of heater control methods.
Data Sheet (1578KB)
Quick links OMRON IA Measuring / Motor Protective Relays in your country.
-
- Middle East
-
Please contact Europe headquarters.
List of Models
Digital Heater Element Burnout Detectors
Models with Screw-less Clamp Terminals (Power Input: Screw Terminals.)
| Power supply voltage | Heater control method | Input specifica- tions | Output specifica- tions | Com- munica- tions output | Current input range | |||
| 0.200 to 2.200 A | 2.00 to 22.00 A | 20.0 to 200.0 A | ||||||
| 100 to 240 VAC | ON/OFF control SSR control | Two current inputs (for either single- phase or three- phase) | One relay output | RS-485 | K8AC-H21CC-FLK | K8AC-H22CC-FLK | K8AC-H23CC-FLK | |
| Two transistor outputs | K8AC-H21CN-FLK | K8AC-H22CN-FLK | K8AC-H23CN-FLK | |||||
| Phase control Cyclic control | One relay output | K8AC-H21PC-FLK | K8AC-H22PC-FLK | K8AC-H23PC-FLK | ||||
| Two transistor outputs | K8AC-H21PN-FLK | K8AC-H22PN-FLK | K8AC-H23PN-FLK | |||||
| Applicable Current Transformer | K8AC-CT20S or K8AC-CT20L | K8AC-CT200 or K8AC-CT200L | Current Transformers (sold separately) | |||||
Note:Consult with an OMRON representative if multiple heaters with different capacities are to be connected in parallel or if the heater resistance will vary.
Models with Screw Terminals (Production To Be Discontinued at the End of March 2009)
| Power supply voltage | Heater control method | Input specifica- tions | Output specifica- tions | Com- munica- tions output | Current input range | |||
| 0.200 to 2.200 A | 2.00 to 22.00 A | 20.0 to 200.0 A | ||||||
| 100 to 240 VAC | ON/OFF control SSR control | Two current inputs (for either single- hase or three- phase) | One relay output | RS-485 | K8AC-H11CC-FLK | K8AC-H12CC-FLK | K8AC-H13CC-FLK | |
| Two transistor outputs | K8AC-H11CT-FLK | K8AC-H12CT-FLK | K8AC-H13CT-FLK | |||||
| Phase control Cyclic control | One relay output | K8AC-H11PC-FLK | K8AC-H12PC-FLK | K8AC-H13PC-FLK | ||||
| Two transistor outputs | K8AC-H11PT-FLK | K8AC-H12PT-FLK | K8AC-H13PT-FLK | |||||
| Applicable Current Transformer | K8AC-CT20S or K8AC-CT20L | K8AC-CT200 or K8AC-CT200L | Current Transformers (sold separately) | |||||
Note:Consult with an OMRON representative if multiple heaters with different capacities are to be connected in parallel or if the heater resistance will vary.
Optional Products
Current Transformers
| Through-hole diameter | Rated current | Installation method | Model |
| 5.8-mm dia. | 0.200 to 22.00 A | Surface-mounted with screws | K8AC-CT20S |
| 12-mm dia. | Rear-surface mounted with screws Binding band | K8AC-CT20L | |
| 20.0 to 200.0 A | Rear-surface mounted with screws Binding band | K8AC-CT200 | |
| 30-mm dia. | 20.0 to 200.0 A | Surface-mounted with screws | K8AC-CT200L |
Note:When selecting a Current Transformer, make sure that the rated current of the heater does not exceed the rated upper limit or the rated current of the Current Transformer.
Top of page
