800T-H2A
現行品800T 30mm 2-Position Selector 1NO+1NC
Allen-Bradley 800T 30mm 2-position selector switch.
主な用途
Legacy 30mm selector. Hand/Auto, Manual/Remote, Local/Off. Found on older pump stations, HVAC systems, and manufacturing lines with AB controls.
仕様一覧
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Actuator Function
Momentary = springs back when released. Maintained/latching = stays pressed until pressed again.
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Maintained
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Certifications
Third-party safety certifications. UL = required for US NEC installations. CE = EU compliance. CSA = Canadian standards.
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UL, CSA
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Contact Configuration
1NO + 1NC: One circuit closes and one opens when pressed. Common for start buttons that also signal 'running' state.
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1NO+1NC
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Cutout Diameter
The hole size you drill in your panel to mount this button. 22mm is the most common industrial standard worldwide.
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30.5mm
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IP Rating
Ingress Protection rating — first digit is dust (0-6), second is water (0-9). Higher is better.
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NEMA 4/13
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Metal
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取付クイックリファレンス
Panel cutout: 30.5mm. Align the selector positions with the desired panel markings before tightening.
Contact blocks: Attach one contact block per position. Wire each to a separate PLC input for position feedback. A 2-position switch needs 1-2 blocks; 3-position needs 2-3.
外形寸法
配線図
トラブルシューティング
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
主要仕様
- Actuator Function
- Maintained
- Certifications
- UL, CSA
- Contact Configuration
- 1NO+1NC
- Cutout Diameter
- 30.5mm
- IP Rating
- NEMA 4/13
ユーザーの声
“Legacy 30mm selector. Hand/Auto, Manual/Remote, Local/Off. Found on older pump stations, HVAC systems, and manufacturing lines with AB controls.”