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Dold Monitoring Relay, 1/3 Phase, SPDT, DIN Rail, Adjustable Response 10 - 80 kΩ, 230V AC, Model AI897 AC45-400Hz230V 10-80kOhm
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Dold |
| Height | 77mm |
| Length | 115mm |
| Model | AI897 AC45-400Hz230V 10-80kOhm |
| Width | 45mm |
| Mount Type | DIN Rail |
| Series | AI 897 |
| Maximum Operating Temperature | 60°C |
| Contact Configuration | SPDT |
| Minimum Operating Temperature | -20°C |
| Standards/Approvals | RoHS |
| Switching Voltage | 400V |
| Supply AC Voltage | 230V ac |
| ABB Insulation Monitoring Relay, SPDTBrand | ABB |
Key Features
- Suitable for 1-phase and 3-phase AC systems operating at 230V.
- Features SPDT contact configuration for versatile control applications.
- Mounts easily on DIN rails, saving panel space.
- Adjustable response value from 10 kΩ to 80 kΩ.
- No separate auxiliary voltage required for operation.
- Includes PT test button for functional efficiency testing.
- Memory and hysteresis programming selectable via terminal bridge.
- Operating temperature range from -20°C to +60°C.
Product Description
Dold AI897 AC45-400Hz230V 10-80kOhm Monitoring Relay is engineered for insulation monitoring of unearthed three-phase and alternating current systems. It is designed to enhance system reliability by actively monitoring insulation resistance to earth and signaling faults through a SPDT relay output.
This model operates with a supply voltage of 230V AC and is compatible with both single-phase and three-phase electrical systems. Its adjustable response value, ranging from 10 kΩ to 80 kΩ, allows customization for various application requirements. The relay features a DIN rail mount for straightforward integration into electrical panels, conserving space and facilitating installation.
Suitable for 1-phase and 3-phase AC systems operating at 230V. Features SPDT contact configuration for versatile control applications. Mounts easily on DIN rails, saving panel space. Adjustable response value from 10 kΩ to 80 kΩ.
No separate auxiliary voltage required for operation. Includes PT test button for functional efficiency testing. Memory and hysteresis programming selectable via terminal bridge. Operating temperature range from -20°C to +60°C.
Compact dimensions: 115mm x 45mm x 77mm. Conforms to RoHS standards for safety and compliance.
A bridge connection between terminals LT1 and LT2 enables memory storage behavior programming; removing the bridge switches to hysteresis behavior. The relay includes a PT test button on its front panel for direct operational testing, and can also be externally tested as per VDE 0413, extending its suitability for industry-standard installations.
The unit is constructed to withstand demanding environments, operating effectively across temperatures from -20°C up to +60°C. Its compact size (115mm length, 45mm width, and 77mm height) fits easily in control cabinets. RoHS compliance and German manufacturing ensure high standards of reliability and safety.
Industrial applications include monitoring insulation resistance in electrical distribution boards, automation panels, and machinery control systems for sectors such as manufacturing, HVAC, process engineering, and infrastructure.
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Frequently Asked Questions
This monitoring relay operates at a supply voltage of 230V AC.
It has an adjustable response value ranging from 10 kΩ to 80 kΩ.
The relay features an SPDT (Single Pole Double Throw) contact configuration.
The operating temperature range is from -20°C to +60°C.
It mounts easily on DIN rails, which helps save panel space during installation.
No, it does not require a separate auxiliary voltage for operation.
The relay has compact dimensions of 115mm in length, 45mm in width, and 77mm in height.
It conforms to RoHS standards for safety and compliance.
It is suitable for industrial applications such as monitoring insulation resistance in electrical distribution boards, automation panels, and machinery control systems.
The relay has a maximum switching voltage of 400V.
It includes a PT test button for functional efficiency testing and allows memory and hysteresis programming selectable via a terminal bridge.
This monitoring relay is manufactured in Germany.
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