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WIELAND ELECTRIC R118837400 Safety Circuit Monitoring Device

The Wieland Electric R1.188.3740.0 is a versatile safety circuit monitoring device designed to enhance safety in industrial automation systems. This single-channel device provides two enabling current paths and operates on AC/DC 24V power, offering flexibility in various applications. It's equipped with screw terminals for secure connections and features a robust design with an IP40-rated housing. The device is suitable for monitoring proximity switches, emergency-stop circuits, and position switches, contributing to a safer and more reliable operational environment. It meets standards like EN ISO 13849-1 and EN 62061, ensuring compliance with industry safety regulations.

Authorized Distributors
Part No:R1.188.3740.0
Stock:1
Inv Date:06-01-2026
Price: Unit price: $97.66
Buy/RFQ:
Part No:R1.188.3740.0
Stock:1
Inv Date:06-01-2026
Price: Unit price: $97.66
Buy/RFQ:

WIELAND ELECTRIC R118837400 Safety Circuit Monitoring Device Specifications:

  • Function display: 2 LED, green
  • Creepage distances and clearances between the circuits: EN 60664-1
  • Protection degree accordingto DIN EN 60529(housing): IP40
  • Protection degree accordingto DIN EN 60529(terminals): IP20
  • Ambient temperature min.: -25 °C
  • Ambient temperature max.: 55 °C
  • Wire ranges screw terminals,fine-stranded / solid: 1 x 0,14 mm² - 2,5 mm² / 2 x 0,14 mm² - 0,75 mm²
  • Wire ranges screw terminals,fine-stranded with ferrules: 1 x 0,25 mm² - 2,5 mm² / 2 x 0,25 mm² - 0,5 mm²
  • Permissible torque min.: 0.5 Nm
  • Permissible torque max.: 0.6 Nm
  • Tighteningmoment: 0.6 Nm
  • Wire range cage clampterminals: 2 x 0,25mm² - 1,5mm²
  • Weight: 0.12 kg
  • Standards: EN ISO 13849-1;EN 62061
  • Suited for safetyfunctions: Yes
  • Categoryaccordingto EN ISO 13849-1: 2
  • Muting possible: No
  • Feedback circuit: Yes
  • Start contact: Yes
  • Rail mounting possible: Yes
  • Detachable clamps: Yes
  • Type of electric connection: Screw connection
  • Model: Basic device
  • Suitable for monitoringof magnetic switches: No
  • Suitable for monitoringof proximityswitches: Yes
  • Suitable for monitoringof emergency-stopcircuits: Yes
  • Suitable for monitoringof optoelectronicprotection equipment: No
  • Suitable for monitoringof position switches: Yes
  • Suitable for monitoringof valves: No
  • Enabling paths: Normallyopen contact
  • Contact material: Ag-alloy
  • Rated switchingvoltage,enabling paths AC: 240 V
  • Rated switchingvoltage,enabling paths DC: 50 V
  • Max. thermal current Ith,enabling paths: 6 A
  • Max. total current I2of all currentpath: 72 A²
  • Application categoryAC-15(NO): Ue 230V,Ie 3A
  • Application categoryDC-13(NO): Ue 24V,Ie 3A
  • Short-circuitprotection(NO),max. fuse insert: 6 A classgG fuse,fuse integral
  • Mechanical life: 107switchingcycles
  • Outputs,signallingfunction,undelayed,with contact: 0
  • Outputs,signallingfunction,delayed,with contact: 0
  • Outputs,safe,undelayed,with contact: 2
  • Outputs,safe,delayed,with contact: 0
  • Nominal output voltage DC: 24 V
  • Input current(safetycircuit / reset circuit): 50 mA
  • max.peak current(safetycircuit / reset circuit): 70 mA
  • Response time tA1: 20 ms
  • Response time tA2: 70 ms
  • Min. switch-on time: 30 ms
  • Recoverytime tW: 200 ms
  • Release time tR: 70 ms
  • max. resistivity, per channel: ≤(5 +(1,333 x UB/ UN- 1)x 200)Ω
  • Evaluation inputs: 1-channel
  • Nominal voltage UN: AC/DC 24 V
  • Rated consumption AC: 2 VA
  • Rated consumption DC: 1 W
  • Rated frequencymin.: 50 Hz
  • Rated frequencymax.: 60 Hz
  • Electrical isolation supplycircuit - control circuit: No
  • Min. rated control supplyvoltage at AC 50 Hz: 20.4 V
  • Max. rated AC voltage for controls,50 Hz: 26.4 V
  • Min. rated DC voltage for controls: 20.4 V
  • Max. rated DC voltage for controls: 26.4 V
  • Min. rated control supplyvoltage at DC: 20.4 V
  • Rated control supplyvoltage at AC 60HZ: 20.4 V
  • Rated control supplyvoltage at AC 50HZ: 26.4 V
  • Depth: 98 mm
  • Width: 22.5 mm
  • Height: 83 mm

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Frequently Asked Questions

Where can I buy WIELAND ELECTRIC R118837400?

You can click on the BUY or RFQ button to purchase R118837400 from an authorized WIELAND ELECTRIC distributor.

How do I troubleshoot issues or seek technical support for part R118837400?

You can download the R118837400 datasheet or visit the WIELAND ELECTRIC website for support.

Who is the manufacturer of R118837400?

WIELAND ELECTRIC

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