Dold Monitoring Relay, SPDT, DIN Rail 220 V dc
- RS Stock No.:
- 240-9049
- Mfr. Part No.:
- AI898 DC24V 6kOhm UH=AC45-400Hz 230V
- Manufacturer:
- Dold
Subtotal (1 unit)*
PHP40,143.26
(exc. VAT)
PHP44,960.45
(inc. VAT)
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Temporarily out of stock
- 1 unit(s) shipping from June 22, 2026
- Plus 2 unit(s) shipping from June 29, 2026
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Units | Per Unit |
|---|---|
| 1 + | PHP40,143.26 |
*price indicative
- RS Stock No.:
- 240-9049
- Mfr. Part No.:
- AI898 DC24V 6kOhm UH=AC45-400Hz 230V
- Manufacturer:
- Dold
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Dold | |
| Product Type | Monitoring Relay | |
| Function | Monitoring | |
| Contact Configuration | SPDT | |
| Mount Type | DIN Rail | |
| Switching Voltage | 400V | |
| Power Consumption | 2.5VA | |
| IP Rating | IP40, IP20 | |
| Supply DC Voltage | 220 V dc | |
| Contact Current | 6A | |
| Minimum Operating Temperature | -20°C | |
| Maximum Operating Temperature | 60°C | |
| Length | 115mm | |
| Height | 77mm | |
| Series | AI 898 | |
| Standards/Approvals | IEC/EN 61 000-4-2, IEC/EN 61 000-4-4, UL Subject 94, IEC/EN 60 068-1, IEC/EN 61 557, IEC/EN 60 068-2-6, EN 55 011, IEC/EN 60 947-5-1, EN 50 005, IEC/EN 60 529, IEC/EN 61 000-4-5, DIN 46 228-1/-2/-3/-4, IEC 60 664-1, IEC/EN 60 715, IEC/EN 60 999-1 | |
| Width | 45mm | |
| Select all | ||
|---|---|---|
Brand Dold | ||
Product Type Monitoring Relay | ||
Function Monitoring | ||
Contact Configuration SPDT | ||
Mount Type DIN Rail | ||
Switching Voltage 400V | ||
Power Consumption 2.5VA | ||
IP Rating IP40, IP20 | ||
Supply DC Voltage 220 V dc | ||
Contact Current 6A | ||
Minimum Operating Temperature -20°C | ||
Maximum Operating Temperature 60°C | ||
Length 115mm | ||
Height 77mm | ||
Series AI 898 | ||
Standards/Approvals IEC/EN 61 000-4-2, IEC/EN 61 000-4-4, UL Subject 94, IEC/EN 60 068-1, IEC/EN 61 557, IEC/EN 60 068-2-6, EN 55 011, IEC/EN 60 947-5-1, EN 50 005, IEC/EN 60 529, IEC/EN 61 000-4-5, DIN 46 228-1/-2/-3/-4, IEC 60 664-1, IEC/EN 60 715, IEC/EN 60 999-1 | ||
Width 45mm | ||
- COO (Country of Origin):
- DE
Insulation monitor for direct current networks, AI898
Fixed response time 6 kΩ
LED display for operational readiness and earth fault
1 changeover
Overall width 45 mm
The AI898 insulation monitor displays the insulation resistance of unearthed direct current networks to earth. It does not detect symmetrical earth faults. In practice, these faults are generally insignificant.
The AI898 works on the quiescent current principle, for example when the auxiliary voltage is applied to terminals A1 → A2 the output relay is activated and the "ON" LED indicates that the insulation resistance RAN is not less than the minimum value. If insulation resistance falls below the response value, the output relay drops, the "ON" LED goes out and the second LED for "Earth fault" lights up.
A bridge between terminals LT1 and LT2 (inserted as standard) allows the AI898 to be programmed for memory storage behaviour; remove the bridge to programme hysteresis behaviour. The bridge can be replaced with a delete key with an NC contact. A test key (PT) tests the functional efficiency of the device (as per VDE 0435).
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