Product description
ABB EH550 high-current contactor switch for Applied Materials system controller / main AC use, with 24 VDC coil references and 650A/800A rating references requiring label verification.
Specifications and identifiers
identified attributes
| Function | Contactor switch High-current switching component. |
|---|
| Vendor/model family | ABB EH550 / EH550C / EH550-YL Verify exact nameplate model. |
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| Pole count | 3P Three-pole reference supported. |
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| Coil voltage | 24 VDC Verify on coil label. |
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| Current rating references | 650 A / 800 A Conflicting or variant ratings; verify exact unit. |
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Equipment context
- Applied Materials system controller / main AC circuit
Applications
semiconductor process equipmenttool maintenancespare-parts replacementmain AC power switchingsystem controller contactor replacement
How it works
A semiconductor equipment replacement part or subsystem component.
Exact part number, revision, configuration, and tool compatibility must be verified before installation.
Technical guide
contactor
A contactor is an electrically controlled switch used for switching high-current AC power circuits.
- 3P
- Three-pole.
- Coil voltage
- Control voltage applied to actuate the contactor.
What to verify before purchase
- Exact ABB model and current rating
- Coil voltage
- Enclosure/non-reversing configuration
- Terminal condition and ratings
Confirm with the seller
- Single confirmed current rating
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.