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Dold Monitoring Relay 3 Phase DPDT DIN Rail 230V AC 400V AC BA9043 3/N AC50-400HZ 230/400V
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Dold |
| Height | 73mm |
| Function | Motor Control |
| Length | 132mm |
| Model | BA9043 3/N AC50-400HZ 230/400V |
| IP Rating | IP40 |
| Width | 45mm |
| Mount Type | DIN Rail |
| Series | BA 9043 |
| Maximum Operating Temperature | 60°C |
| Contact Configuration | DPDT |
| Contact Type | Spring contact |
| Minimum Operating Temperature | +60°C |
| Electrical Phase | 3 |
| Switching Voltage | 250V |
| Contact Current | 5A |
| Supply AC Voltage | 230, 400V ac |
| Switching Capacity | 3 A (as per AC 11, 230 V), 2 A (as per DC 11, 24 V) |
| Thermal current | 6 A |
| Overload capability | 1.2 UN continuous |
| Response value RAN | 0.85 → 1.05 UN adjustable |
| Fall-back value | 0.75 → 0.95 UAN adjustable |
| Contact assignment | 2 changeovers |
Key Features
- Rated for supply AC voltage of 230V and 400V with 50 to 400 Hz frequency range.
- Equipped with 2 changeover spring contacts rated for 5A contact current and 250V switching voltage.
- Compact DIN rail mount housing with IP40 protection for industrial and electrical installations.
- Features LED status indicators and designed for reliable operation with continuous overload capability of 1.2 UN.
- Operating temperature range from -60°C to +60°C ensuring durability in varied environments.
- Complies with international standards including IEC/EN 61000 series and UL Subject 94.
Product Description
Dold BA9043 3/N AC50-400HZ 230/400V is a high-quality monitoring relay designed for three-phase electrical systems requiring reliable motor control and voltage supervision.
This model features a DPDT contact configuration and is housed in a compact DIN rail mount enclosure, making installation straightforward in control panels and industrial automation environments.
The relay operates with supply voltages of 230V and 400V AC and supports frequencies from 50 to 400 Hz. It uses an arithmetic average measurement with adjustable response and fall-back values for precise voltage monitoring suitable for mains with or without a neutral conductor.
Key functional attributes include a closed circuit current principle ensuring the output relay remains deactivated in fault conditions, LED status displays for easy operation monitoring, and an overload capability of 1.2 UN continuous, enhancing system safety and reliability.
The device includes 2 changeover spring contacts with a thermal current of 6 A and switching capacity of 3 A at 230 V AC, with IP40 ingress protection. It supports monitoring of phase sequence and failure of three-phase supplies, crucial for protecting motors and sensitive industrial equipment from voltage anomalies.
Voltage monitoring for three-phase systems with adjustable response and fall-back values. 230V and 400V AC supply voltage support with 50-400Hz frequency range. Compact DIN rail mount design with IP40 rating for industrial environments.
Dual-pole double-throw (DPDT) switch with spring contacts rated at 5A contact current. Overload capability of 1.2 UN continuous to protect electrical systems. LED indicators provide clear operational status and fault indication for maintenance ease.
Conforms to IEC/EN 61000 series, UL Subject 94 and other international standards ensuring quality and safety compliance.
This Monitoring Relay is ideal for industrial automation, motor control, electrical distribution panels, building automation, and other commercial applications requiring dependable monitoring of three-phase voltage conditions.
Manufactured in Germany, the Dold BA9043 series is well-regarded for durability and precision in electrical control systems. Its compact size (45 mm width, 73 mm height, 132 mm length) allows easy integration into complex setups without consuming excessive panel space.
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Frequently Asked Questions
It operates with supply voltages of 230V and 400V AC.
The relay supports a frequency range of 50 to 400 Hz.
This model features a dual-pole double-throw (DPDT) contact configuration.
The relay is rated for a contact current of 5A.
It has a switching capacity of 3 A at 230 V AC.
The relay has an IP40 ingress protection rating.
It has dimensions of 45 mm in width, 73 mm in height, and 132 mm in length.
The operating temperature range is from -60°C to +60°C.
It features an overload capability of 1.2 UN continuous, which helps protect electrical systems from overload conditions.
It utilizes spring contacts for its operation.
It complies with IEC/EN 61000 series and UL Subject 94 standards.
It is designed for motor control, voltage supervision, and applications in industrial automation and electrical distribution panels.
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