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Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop

  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
  • Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop
1 9

Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop

€300,00
€300,00
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Lot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stopLot of 5x Wieland Typ SNO 4003K-A Safety Relay Switch E-stop

Wieland safeRELAY SNO 4003K-A Safety Relay Switch — Emergency Stop Monitoring — Lot of 5

Dual-channel safety relay for E-stop and safety gate monitoring, 24V AC/DC

Overview

This lot is 5 units of the Wieland SNO 4003K-A, a safeRELAY safety switching device used for monitoring emergency stop circuits and safety gates. It offers single-channel or two-channel control with manual or automatic start, providing 3 enabling current paths and 1 signal current path, plus a feedback loop for monitoring external contactors. The "-A" variant features four removable, coded terminals for quick installation and removal. This model achieves Stop Category 0 per EN 60204-1, up to Performance Level d / Category 3 per EN ISO 13849-1, and up to SILCL 2 per EN 62061.

Key Features

  • Emergency stop and safety gate monitoring: Suitable for E-stop button circuits, contact expansion, OFF-delay, and position switch monitoring on safety gates.
  • High safety rating: Up to PL d / Category 3 (EN ISO 13849-1) and up to SILCL 2 (EN 62061); Stop Category 0 per EN 60204-1.
  • Flexible control configuration: Single-channel or two-channel control, with manual or automatic start selectable.
  • Feedback loop monitoring: Monitors external contactors for confirmed circuit status.
  • Removable, coded terminals (-A variant): Four removable terminals with coded, non-interchangeable locations for fast, error-resistant installation or replacement.
  • PTC-protected control circuit: Fuse protection for the control circuit supply via a PTC resistor.
  • Fault detection: Ground faults in the E-stop or protective gate circuit are immediately detected.

What's Included

Model Function Qty
SNO 4003K-A Safety relay, E-stop/safety gate monitoring, 24V AC/DC 5

Price listed is per lot (5 units).

Technical Specifications

Rated voltage (24V variant): AC/DC 24V; operating voltage range AC/DC 20.4V; residual ripple 2.4 Vss.

Rated consumption (DC): 1.3 W / 1.6 W.

Rated consumption (AC): 1.8 W / 3.2 VA at 50 Hz; 2.2 W / 3.9 VA at 60 Hz.

Input inrush current (A1): 1.7 A.

Rated short-circuit current: 1400 mA.

Response time / recovery time: 2 s / 3 s.

Control circuit fuse: PTC resistor; supply-to-control circuit electrical isolation: no.

115-230V variant consumption: 2.0 W / 2.3 VA (115-120V, 50 Hz); 2.4 W / 2.8 VA (60 Hz).

Contact configuration: 3 enabling current paths, 1 signal current path (3 NO / 1 NC per some listings).

Dimensions: 22.5 mm (W) x 99 mm (L) x 114 mm (D); screw terminals, pluggable.

Compatibility & Applications

Part of Wieland's safeRELAY series, the SNO 4003K-A is well suited to industrial machine safety circuits requiring emergency stop monitoring, safety gate/position switch monitoring, or contact expansion, wherever a reliable, high-category safety relay is needed to bring a system to Stop Category 0.

A1Customer — Industrial Automation Equipment | Tampere, Finland
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