NAMUR switching amplifiers are used together with the intrinsically safe proximity indicators and switches which are located in the Ex area.

| Order No. | Type | ||
|---|---|---|---|
| 2835341 | PI-EX-NAM/RNO-NE | ||
Ex-i binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches in Ex areas. The binary signals are transmitted to a safe area. Relay output (N/O contact), line fault detection. Galvanic 3-way isolation.
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| 2835367 | PI-EX-NAM/RNC-NE | ||
Ex-i binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches in Ex areas. The binary signals are transmitted to a safe area. Relay output (N/C contact), line fault detection. Galvanic 3-way isolation.
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| 2835574 | PI-EX-NAM/TO | ||
Ex-i binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches in Ex areas. The binary signals are transmitted to a safe area. Transistor output (active), line fault detection. Electrical isolation.
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| 2865117 | PI-EX-NAM/TO-P | ||
Ex-i binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches in Ex areas. The signals are transmitted to a safe area. Transistor output (passive), line fault detection. Galvanic 3-way isolation.
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| 2835888 | PI-N-NAM/RNO | ||
Non-Ex binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches. The binary signals from the field are sent to the control level. Relay output (N/O contact), line fault detection. Electrical isolation.
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