RM1C40D75 - SSR PS 400V 75A 4.25-32VDC

RM1C40D75 – SSR PS 400V 75A 4.25-32VDC

Carlo Gavazzi RM1C40D75 single-pole solid state relay with peak switching, 75 A AC-51 rating, 100–440 V AC operating voltage and 4.25–32 V DC control input.

SKU: RM1C40D75MPN: RM1C40D75
Price
List Price £156.17 ex VAT
Your Price (ex VAT) Save 15%
£132.74 15% OFF
You save £23.43 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £132.74
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 2

£132.74

Why Choose the Carlo Gavazzi RM1C40D75 Solid State Relay?

The Carlo Gavazzi RM1C40D75 is a robust single-pole solid state relay (SSR) designed for reliable switching of AC loads in industrial automation, heating and control applications. As part of the established Carlo Gavazzi RM1C series, it provides dependable semiconductor switching, a compact panel-mount format and DC control for integration into industrial control systems.

This solid state relay uses peak switching and is designed for AC loads operating from 100 to 440 V AC. Electronic switching eliminates mechanical contacts, providing silent operation and avoiding the contact wear associated with conventional electromechanical relays. The relay also provides an 850 Vp blocking voltage for robust operation within its specified voltage range.

With a rated current of 75 A AC-51 and a 4.25–32 V DC control input, the RM1C40D75 is suitable for switching suitable AC loads in industrial equipment, heating systems and automation panels. Its screw terminals with clamp provide secure electrical connections for panel-mounted installations.

Key Advantages

  • Compact single-pole solid state relay designed for industrial switching applications.
  • 75 A AC-51 rated current for suitable high-current AC loads when correctly heatsinked.
  • 100–440 V AC operating voltage for a broad range of AC switching applications.
  • 4.25–32 V DC control input suitable for PLCs and electronic control systems.
  • Peak switching provides controlled semiconductor switching of AC loads.
  • 850 Vp blocking voltage provides robust output voltage withstand capability.
  • Panel-mount construction enables straightforward installation in industrial control equipment.

Key Features

  • Carlo Gavazzi RM1C series solid state relay.
  • Single-pole AC solid state switching.
  • 75 A rated current at AC-51.
  • 100–440 V AC operating voltage.
  • 4.25–32 V DC control voltage.
  • Peak switching mode.
  • 850 Vp blocking voltage.
  • Screw power connections with clamp.
  • Panel-mount construction for industrial control panels.
  • Compact industrial solid state relay format.

Reliable Solid State Switching for Industrial Control

Solid state relays such as the Carlo Gavazzi RM1C40D75 use semiconductor technology instead of mechanical contacts to switch electrical loads. This provides silent operation, rapid electronic switching and eliminates mechanical contact wear, making SSRs well suited to applications requiring frequent or reliable switching.

The RM1C series is designed for industrial control and load-switching applications where dependable AC switching is required. The RM1C40D75 combines a 75 A AC-51 rating with a 100–440 V AC operating range and a low-voltage DC control input, allowing it to interface readily with modern automation equipment.

Typical Applications

  • Industrial heating and temperature control systems.
  • Resistive heating loads and industrial heaters.
  • Industrial automation and machine control.
  • PLC-controlled AC load switching.
  • Process control equipment.
  • Electrical control panels and industrial machinery.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type Solid State Relay
Terminal Type Screw
Mounting Type Panel
Switching Current (A) 75 A
Coil / Supply Voltage 12 V DC, 24 V DC, 5 V DC
IP Rating IP20
Manufacturer Carlo Gavazzi
Series RM1C
Model RM1C40D75
Product type Solid state relay
Relay configuration Single-pole
Number of phases 1-phase
Output switching mode Peak switching
Rated current AC-51 75 A
Operating voltage 100–440 V AC
Control voltage 4.25–32 V DC
Blocking voltage 850 Vp
Operating frequency 45–65 Hz
Power connection Screw type with clamp
Mounting type Panel / heatsink mounting
Protection rating IP20
Operating temperature -30°C to +80°C
Dimensions (H × W × D) approx. 28.8 × 44.8 × 58.2 mm

Frequently Asked Questions

What is the Carlo Gavazzi RM1C40D75 used for?

This solid state relay is used for reliable electronic switching of suitable AC loads in industrial automation, heating and control applications.

What current can the RM1C40D75 switch?

The relay has a rated operational current of 75 A at AC-51 for suitable loads and thermal conditions.

What voltage does the RM1C40D75 switch?

The relay is designed for AC loads operating from 100–440 V AC.

What control voltage does the relay require?

The RM1C40D75 accepts a 4.25–32 V DC control input, making it suitable for electronic control systems and PLC outputs.

What type of switching does the RM1C40D75 use?

The relay uses peak switching and provides electronic semiconductor switching of the connected AC load.

Trusted by Industrial Automation Engineers

Carlo Gavazzi RM1C solid state relays provide dependable semiconductor switching for industrial automation, heating and control systems where reliable AC load management is essential.