140DRC83000 | Schneider Modicon Quantum | Relay Discrete Output Module

Schneider Electric 140DRC83000 Modicon Quantum Relay Discrete Output Module — 8-Channel, NO/NC Form C, 5A

The 140DRC83000 is an 8-channel relay discrete output module for Schneider Electric's Modicon Quantum automation platform. It provides eight independent relay outputs with Form C (NO/NC) contact composition, capable of switching AC and DC loads across a wide voltage range. The module is ideal for controlling solenoids, contactors, motor starters, and indicators in industrial automation systems requiring galvanic isolation between field devices and the PLC.

Key Specifications

• Manufacturer: Schneider Electric
• Series: Modicon Quantum
• Type: Relay Discrete Output Module
• Channels: 8 (8 × 1 relay configuration)
• Contact Type: NO/NC (Form C — 1 normally open + 1 normally closed per channel)
• Output Voltage: 20–250 VAC / 30–150 VDC / 5–30 VDC
• Max Load Current:
  • 100 mA at 30–50 VDC (L/R = 10 ms)
  • 2 A at 250/30 VAC/VDC (tungsten, 1/4 hp, cos φ = 0.4)
  • 3 A at 250/30 VAC/VDC (resistive load)
  • 5 A at 250/30 VAC/VDC (resistive load) at 60°C
• Surge Current: 20 A for 10 ms (capacitive load)
• Switching Frequency: 30 Hz (resistive load)
• Switching Capacity: 1250 VA (resistive load)
• Response Time: 10 ms (0→1); 20 ms (1→0)
• Mechanical Durability: 10,000,000 cycles
• Electrical Durability:
  • 100,000 cycles at 100 mA, 30–150 VDC (L/R = 10 ms)
  • 100,000 cycles at 30–150 VDC (plug-in relay)
  • 100,000 cycles at 300 mA, 30–150 VDC (resistive)
  • 100,000 cycles at 5 A, 30 VDC (resistive)
  • 200,000 cycles at 5 A, 250 VAC (resistive)
  • 50,000 cycles at 500 mA, 30–150 VDC (resistive)
• Output Overvoltage Protection: Internal varistor, 275 V
• Channel-to-Channel Isolation: 1780 Vrms AC for 1 min / 2500 VDC
• Channel-to-Bus Isolation: 1780 Vrms AC for 1 min / 2500 VDC for 1 min
• Power Dissipation: 2.75 W + (0.5 × number of energized points)
• Bus Current Required: 560 mA
• Address Requirement: 0.5 output word
• LED Indicators: 1 green (ACTIVE — bus communication); 1 red (F — external fault); 8 green (1–8 — channel status)
• Mounting: Quantum backplane slot (standard format)
• Dimensions: 103.9 × 40.3 × 250 mm (W × H × D) [hao236]; 27 × 10 × 4.5 cm [MRO Electric]
• Weight: 0.3 kg [cxdcs.cn]; 0.45 kg [MRO Electric]
• Module Format: Standard
• Certification: CE
• Status: Active / In production

Architecture & Functionality

• Relay Switching: Eight independent relays switch voltage sources to field devices using NO/NC contacts
• Form C Contacts: Each channel provides 1 NO + 1 NC contact for flexible wiring configurations
• Wide Voltage Range: Supports AC and DC loads from 5 VDC to 250 VAC
• High Current Capacity: Up to 5 A per channel for resistive loads at 60°C
• Internal Protection: Varistor overvoltage protection (275 V) on each output
• Removable Door: Front panel door is removable and includes slots for custom customer identification labels
• Fuse Cutouts: Located on the left side inside the panel door for external fuse installation
• Field Wiring Terminal Strip: Pluggable terminal block inserted in the front of the module behind the door

Installation Guide

1. Install the 140DRC83000 into a standard I/O slot on the Quantum backplane.
2. Remove the front panel door to access the field wiring terminal strip.
3. Wire field devices to the NO/NC contacts using appropriate gauge wire (typically #14–#18 AWG).
4. Install external fuses in the fuse cutouts if required by your application.
5. Attach customer identification labels to the door slots for channel identification.
6. Close the door and verify ACTIVE LED (green) illuminates indicating bus communication.
7. Test each channel and verify corresponding green LED (1–8) illuminates when output is energized.
8. Monitor red F LED for external fault indication.

FAQ

Q: Is 140DRC83000 a 32-channel transistor output module?
A: No. Some third-party sources incorrectly describe it as a 32-channel 24VDC sink output module. The 140DRC83000 is an 8-channel relay output module with NO/NC Form C contacts, supporting 20–250VAC and 30–150VDC loads up to 5A.

Q: Is 140DRC83000 a power supply module?
A: No. Some sources incorrectly describe it as a 230VAC/24VDC power supply. The 140DRC83000 is a relay output module powered by the Quantum backplane (560 mA at 5 VDC).

Q: What is the difference between 140DRC83000 and 140DRA84000?
A: 140DRC83000 has 8 channels with NO/NC Form C contacts. 140DRA84000 has 16 channels with NO contacts only. Both are relay output modules for Quantum.

Q: What is the difference between 140DRC83000 and 140DDO35310?
A: 140DRC83000 is a relay output (mechanical contacts, isolated, AC/DC). 140DDO35310 is a transistor output (solid-state, 24VDC sink, faster switching, no isolation per channel).

Q: Can I switch motor loads with 140DRC83000?
A: Yes. The module supports 1/4 hp motor loads at 250 VAC (cos φ = 0.4) and up to 5 A resistive loads. For larger motors, use external contactors.

Q: Does it have internal fuses?
A: No. The module has fuse cutouts for external fuses but does not include internal fuses. Install appropriate external fuses for each channel.

Q: Is 140DRC83000 hot-swappable?
A: Yes. Quantum I/O modules support hot-swapping when properly configured, but always follow safety procedures.

Selection Tips

• Quantum, 8-channel relay, NO/NC, AC/DC: 140DRC83000
• Quantum, 16-channel relay, NO only: 140DRA84000
• Quantum, 32-channel transistor, 24VDC sink: 140DDO35310
• Quantum, 32-channel transistor, 24VDC source: 140DDO35301
• Always verify: Load type (AC vs DC, resistive vs inductive), current requirements, and isolation needs before ordering
• Order external fuses for each channel if required by your application

Why Buy from Us?

• 100% Genuine Schneider Electric product
• Brand new, factory-sealed
• 12-month warranty
• Fast global shipping (FedEx, UPS, DHL)
• Technical support for Unity Pro / Concept
• Bulk pricing for OEM and system integrators

Reference: Schneider Electric 140DRC83000 Product Data Sheet (Allied Elec / EU Automation); MRO Electric specifications; jdzj.com product documentation; cxdcs.cn technical parameters. Specifications subject to change without notice.