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1SBL419025R3811 ABB GAE75-10-11 250V DC Contactor
ABB GAE75-10-11 1SBL419025R3811 is a specialised DC switching contactor with a 250 V DC operating coil, three series-connected normally open contact paths, permanent-magnet arc suppression and 1NO + 1NC auxiliary contacts.
£553.50
Why Choose the ABB GAE75-10-11 250V DC Contactor?
The ABB GAE75-10-11 is a specialised DC power contactor engineered for reliable switching of direct-current circuits. Part of the ABB GAE75 range, it uses arc chutes with permanent magnets specifically designed to improve DC arc interruption, making it suitable for demanding industrial DC switching duties.
The GAE75 uses three main contact paths connected in series by two factory-supplied insulated connections. This arrangement forms a single-pole DC switching device with multiple contact breaks, while clearly identified polarity markings — 1L1 positive and 2T1 negative — ensure the contactor is connected in the required direction.
ABB order code 1SBL419025R3811 identifies this exact GAE75-10-11 configuration with a 250 V DC operating coil. It also includes a CAL5-11 side-mounted 1NO + 1NC auxiliary contact block and uses ABB's standard double-winding DC coil arrangement for dependable industrial control.
Key Advantages
- Purpose-designed ABB GAE75 contactor for DC circuit switching.
- 250 V DC operating coil for DC-controlled installations.
- Three main contact paths arranged in series for effective DC interruption.
- Permanent-magnet arc chutes specifically engineered for DC breaking.
- Factory-fitted 1NO + 1NC CAL5-11 auxiliary contact block.
- Clearly marked positive and negative main terminals support correct polarised installation.
Key Features
- ABB GAE75 contactor series.
- Designed specifically for DC power circuit switching.
- Three normally open main contact paths arranged in series.
- Single-pole DC switching configuration.
- 1NO + 1NC auxiliary contacts via CAL5-11 side-mounted block.
- 250 V DC rated control supply.
- Standard double-winding DC coil with factory-mounted lagging contact for insertion of the holding winding.
- Permanent-magnet arc chutes for improved DC arc suppression.
Specialised Arc Control for DC Power Circuits
Direct-current interruption is more demanding than AC switching because a DC waveform does not naturally pass through zero every half-cycle. The ABB GAE75 addresses this challenge with permanent-magnet arc chutes and three contact paths connected in series, providing multiple contact breaks to support effective interruption of DC loads.
The GAE75 is a polarised device, so the specified connection direction must be observed, with 1L1 used as the positive terminal and 2T1 as the negative terminal. Its 250 V DC double-winding operating coil and integrated 1NO + 1NC auxiliary contacts provide the control and feedback functions required for industrial DC switching systems.
Typical Applications
- Industrial DC power circuit switching.
- DC motor control within the specified DC-3/DC-5 ratings.
- Battery and DC distribution systems.
- Industrial machinery with high-current DC loads.
- DC control and power panels.
- Industrial installations requiring polarised DC contactor switching.
Technical Specifications
| Series | GAE75 |
|---|---|
| ABB order code | 1SBL419025R3811 |
| Product type | DC switching contactor |
| Switching configuration | Single-pole DC device with three contact paths in series |
| Main contacts | 3NO contact paths arranged in series |
| Auxiliary contacts | 1NO + 1NC |
| Auxiliary contact block | CAL5-11, side-mounted |
| Rated control supply voltage | 250 V DC |
| Rated operational current at 440 V DC, DC-3/DC-5 | 85 A |
| Arc suppression | Arc chutes with permanent magnets |
| Main pole connections | Two supplied and fitted 25 mm² insulated connections |
| Main circuit polarity | 1L1 positive / 2T1 negative |
| Coil type | Standard double-winding DC coil |
| Product weight | approx. 1.26 kg |
| EAN | 3471522113382 |
| ABB product group | 311503-Contactors A Small (Frctl) |
Frequently Asked Questions
What is the ABB GAE75-10-11 1SBL419025R3811 used for?
The ABB GAE75-10-11 is specifically designed for switching DC power circuits, using multiple series-connected contact breaks and permanent-magnet arc chutes to support effective DC interruption.
What control voltage does the GAE75-10-11 1SBL419025R3811 use?
This exact GAE75-10-11 configuration uses a 250 V DC control supply.
What auxiliary contacts are supplied with the GAE75-10-11?
The GAE75-10-11 is equipped with a CAL5-11 side-mounted auxiliary contact block providing 1NO + 1NC auxiliary contacts.
Why are the three main contact paths connected in series?
The three contact paths are connected in series to provide multiple breaks in the DC circuit, helping the contactor interrupt direct current where arc suppression is more demanding than with AC loads.
Does polarity matter when connecting the ABB GAE75-10-11?
Yes. The GAE75 is a polarised single-pole DC switching device, so the indicated terminal polarity must be respected. ABB identifies 1L1 as positive and 2T1 as negative.
Trusted by Industrial Electrical Professionals
ABB GAE75 contactors are purpose-designed for demanding DC switching applications, combining series-connected contact paths, permanent-magnet arc suppression and dedicated DC coil operation. The GAE75-10-11 1SBL419025R3811 adds a 250 V DC operating coil and integrated 1NO + 1NC auxiliary contacts for industrial DC control systems.
