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PNOZsigma safety relay for E-STOP, safety gates, light barriers

The safety relays PNOZ s1 and PNOZ s2 are suitable for monitoring E-STOP and safety gates. The devices PNOZ s3, PNOZ s4 and PNOZ s4.1 can also be used to monitor E-STOP and safety gates, their area of application also includes monitoring of light guards. In the application at plants and machines, one PNOZsimga safety relay is used per safety function. Below you find an overview of the application options of the individual devices.

Type PNOZ s1         PNOZ s2        PNOZ s3       PNOZ s4         PNOZ s4.1
Emergency stop
Safety gate
Light grids    
Performance Level (PL) c e e e e
Safety Integrity Level (SIL) CL 2 3 3 3 3
Output contacts (safe) 2 3 2 3 3
Width in mm 12.5 17.5 17.5 22.5 22.5
Special approvals - - - - Burner control/
Burner management EN 50156-1

 

Safety relay PNOZsigma

Relays for special applications

Safe firing with PNOZ s4.1

The PNOZ s4.1 has three safe and diverse safety contacts. The safety relay has been approved for use in burner controls. It is approved in accordance with the standard EN 50156-1 for electrical equipment on furnaces, and it fulfils the requirements for application design and installation.

PNOZ s4.1
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PNOZ s1 24VDC 2 n/o

PNOZsigma Safety relay (standalone). Inputs: 1-channel wiring. Outputs: 2 N/O, 1 semiconductor. UB 24 V DC, width: 12.5 mm. Plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s2 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: Single-channel wiring Outputs: 3 N/O, 1 N/C, 1 semiconductor. UB 24 V DC, width: 17.5 mm. Plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s3 24VDC 2 n/o

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 2 N/O, 1 semiconductor. UB 24 V DC, width: 17.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s4 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor. UB 24 V DC, width: 22.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s4.1 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 24 V DC, width: 22.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s4 48-240VACDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 48 - 240 V AC/DC, width: 22.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s4.1 48-240VACDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 48 - 240 V AC/DC, width: 22.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates.

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PNOZ s1 C 24VDC 2 n/o

PNOZsigma Safety relay (standalone). Inputs: Single-channel wiring. Outputs: 2 N/O, 1 semiconductor UB 24 V DC, width: 12.5 mm, plug-in spring-loaded terminals Monitoring E-STOP, safety gates.

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PNOZ s2 C 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: Single-channel wiring. Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals Monitoring E-STOP, safety gates.

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PNOZ s3 C 24VDC 2 n/o

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 2 N/O, 1 semiconductor, UB 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates.

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PNOZ s4 C 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor, UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates.

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PNOZ s4.1 C 24VDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 2 N/O, 1 N/C, 1 semiconductor, UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates.

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PNOZ s4 C 48-240VACDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor, UB 48 - 240 V DC/DC, width: 22.5 mm, plug-in terminals of cage clamp technology. Monitoring E-STOP, safety gates.

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PNOZ s4.1 C 48-240VACDC 3 n/o 1 n/c

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor, UB 48 - 240 V AC/DC, width: 22.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates.

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PNOZ s4 C 24VDC 3 n/o 1 n/c coated

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates.

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PNOZ s4 C (10pcs.)

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts. Outputs: 3 N/O, 1 N/C, 1 semiconductor, UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals. Monitoring E-STOP, safety gates. PU = 10 pieces.

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PNOZ s4 (10pcs.)

PNOZsigma Safety relay (standalone). Inputs: 1-/2-channel wiring with/ without detection of shorts across contacts Outputs: 3 N/O, 1 N/C, 1 semiconductor UB 48 - 240 V AC/DC, width: 22.5 mm, plug-in terminals of screw type Monitoring E-STOP, safety gates. PU = 10 pieces.

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Technical Support

Telephone: +353 21 4804983
E-Mail: sales@pilz.ie