RZ3A60A40P - SSR 3 POLE ZS 42-660V 40A 24-275VAC +OTP

RZ3A60A40P – SSR 3 POLE ZS 42-660V 40A 24-275VAC +OTP

Carlo Gavazzi RZ3A60A40P solid state relay, a three-phase 40 A zero-cross switching relay with over-temperature protection and alarm output for industrial automation applications.

SKU: RZ3A60A40PMPN: RZ3A60A40P
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Why Choose the Carlo Gavazzi RZ3A60A40P Solid State Relay?

The Carlo Gavazzi RZ3A60A40P is a high-performance three-phase solid state relay (SSR) designed for reliable switching of industrial AC loads including heating elements, motors and process automation equipment. As part of the advanced Carlo Gavazzi RZ3A solid state relay series, it combines zero-cross semiconductor switching with integrated protection features for demanding industrial applications.

This panel-mounted SSR provides silent, fast and maintenance-free switching while eliminating mechanical wear associated with traditional contactors. The RZ3A60A40P includes over-temperature protection with alarm output, integrated transient protection and LED status indication, helping improve system reliability and operational monitoring in industrial environments.

With a rated current of 40 A AC, a 42–660 V AC operating voltage range and a flexible 24–275 V AC / 24–50 V DC control input, the RZ3A60A40P is suitable for three-phase industrial loads requiring dependable switching performance in automation, heating and process control systems.

Key Advantages

  • Advanced three-phase solid state relay designed for industrial automation.
  • 40 A AC rated current for reliable high-power load switching.
  • Zero-cross switching technology reduces electrical noise and switching stress.
  • Integrated over-temperature protection with alarm output.
  • 24–275 V AC / 24–50 V DC control input for flexible controller integration.
  • Built-in transient overvoltage protection for improved durability.

Key Features

  • Carlo Gavazzi RZ3A solid state relay series.
  • Three-pole AC solid state switching.
  • Zero-cross switching mode.
  • 40 A AC rated operational current.
  • 42–660 V AC operational voltage range.
  • 24–275 V AC / 24–50 V DC control voltage.
  • Integrated over-temperature alarm output.
  • Built-in varistor protection against voltage transients.
  • LED indication for relay status and thermal alarm condition.
  • Panel mounting design with industrial screw terminals.

Reliable Solid State Switching for Industrial Automation

Solid state relays such as the Carlo Gavazzi RZ3A60A40P use semiconductor technology to provide fast, silent and reliable switching of electrical loads. The zero-cross switching function helps minimise electrical interference while extending the operational life of connected equipment.

The RZ3A series is designed for machine builders, automation engineers and industrial equipment manufacturers requiring dependable three-phase load control. The integrated thermal protection and alarm output provide additional safeguards against overheating during operation.

Typical Applications

  • Industrial heating systems and electrical ovens.
  • Plastic extrusion and thermoforming machinery.
  • Blow moulding and processing equipment.
  • Packaging and production machinery.
  • Dryers and climatic chambers.
  • Industrial automation and process control systems.

Technical Specifications

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Device Type Solid State Relay
Terminal Type Screw
Mounting Type Panel
Switching Current (A) 40 A
Coil / Supply Voltage 110 V AC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC, 240 V AC, 380 V AC, 400 V AC, 415 V AC, 440 V AC, 48 V AC, 480 V AC, 500 V AC, 575 V AC, 600 V AC
IP Rating IP10
Manufacturer Carlo Gavazzi
Series RZ3A Solid State Relays
Model RZ3A60A40P
Product type Three-phase solid state relay
Switching mode Zero cross switching
Number of poles 3
Rated operational current 40 A AC
Rated current AC-51 40 A
Rated current AC-53a 10 A
Operating voltage 42–660 V AC
Control voltage AC 24–275 V AC
Control voltage DC 24–50 V DC
Operating frequency 45–65 Hz
Mounting type Panel mounting
Connection type Screw terminals with captive clamp
Protection rating IP10
Operating temperature -30 to +80 °C
Dimensions (H × W × D) Approx. 41 × 73.5 × 103 mm
Weight Approx. 380 g

Frequently Asked Questions

What is the Carlo Gavazzi RZ3A60A40P used for?

This solid state relay is used for switching three-phase AC loads in industrial automation, heating and process control applications.

What current rating does the RZ3A60A40P support?

The relay supports a rated operational current of 40 A AC for industrial load switching applications.

What control voltage is required?

The RZ3A60A40P supports 24–275 V AC or 24–50 V DC control inputs.

What protection features are included?

The relay includes over-temperature protection with alarm output and integrated transient protection for improved operational reliability.

Where is this solid state relay installed?

The RZ3A60A40P is designed for panel mounting inside industrial control cabinets and automation systems.

Trusted by Industrial Automation Engineers Worldwide

Carlo Gavazzi RZ3A solid state relays are trusted by automation engineers and machine builders for reliable three-phase load switching, efficient operation and long service life in demanding industrial environments.

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