Three Phase Solid State Relay

Name: Three Phase Solid State Relay
Brand: SREE DHANAM AUTOMATION PVT. LTD.
Price: 2209 INR
Availability: InStock

Price 2209 INR/ Piece

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MOQ : 1 Piece

Three Phase Solid State Relay Specification

Coil Voltage
DC/AC input, 10-36 VDC typical Volt (V)

Coil Power
Approx. 1.5 W

Ambient Temperature
-30C to +75C Celsius (oC)

Contact Resistance
2 m Milliohm (m)

Working Temperature
-20C to +65C Celsius (oC)

Contact Form
3NO (Three Normally Open)

Contact Material
Silver alloy semiconductor

Protect Feature
Surge Suppression, Overload Protection

Product Type
Three Phase Solid State Relay

Insulation Resistance
>1000 M (at 500VDC)

Theory
Solid State

Usage
Industrial automation, motor control, heater circuits

Contact Load
Up to 40A per phase

Terminal Type
Screw Terminal

Rated Voltage
10-36 VDC Volt (V)

Supply Terminal
Four Terminal input/output connections

Color
Black/White

Dimension (L*W*H)
105x75x35 mm Millimeter (mm)

Weight
Approx. 350g Grams (g)

Three Phase Solid State Relay Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
1000 Pieces Per Month

Delivery Time
7 Days

About Three Phase Solid State Relay

carlogavazzi RZ3A is a 3-phase ssr, 3-pole switching solid state
relay suitable for various industrial loads such as heating
elements, motors and transformers. The series covers a range of load currents, up to 75 AAC. The maximum current rating depends on the size of the heatsink to which the solid state relay is mounted. The output is protected against over voltages by means of
an integrated varistor. Control ON indication is provided
through a green LED. The RZ3A..P optionally provides integrated over
temperature protection that will protect the solid state
relay output against damage from overheating. In case
of overheating, an LED indication and alarm output is

activated for remote signaling...

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Reliable Zero-Crossing Switching

Benefit from smooth, noise-free switching thanks to the zero-crossing trigger design. This minimizes electrical disturbances and extends the lifespan of connected equipment. The relays solid state construction ensures consistent performance, making it ideal for continuous industrial operations like motor control and resistive heater loads.

Enhanced Safety and Durability

Enjoy peace of mind with built-in optical isolation, keeping input and output circuits safely separated. The flame-retardant ABS/plastic housing and surge/overload protection support safe, dependable operation in harsh environments. The relay features unlimited mechanical life, as it contains no moving parts and is rated for demanding industrial use.

Convenient Panel Mounting and Monitoring

Easily install the relay on standard panels using screw terminals for secure connections. The LED indicator allows operators to monitor operation status at a glance, improving maintenance and process control. With natural air cooling or heatsink recommendations, the relay ensures efficient, reliable performance.

FAQs of Three Phase Solid State Relay:

Q: How should I install the Three Phase Solid State Relay in my control panel?

A: You can mount the relay securely using its panel mount design and screw terminals. Ensure proper ventilation with natural air cooling or a heatsink, and connect the input/output terminals as specified for optimum performance in industrial automation setups.

Q: What is the recommended application for this relay?

A: This relay is ideal for controlling three-phase motors, resistive industrial heaters, and solenoids in automation, motor control, and heater circuits. Its robust capacity of up to 40A per phase supports demanding industrial environments.

Q: When does the relay provide status indication during operation?

A: The built-in LED indicator lights up to show the relays operational status, helping you monitor switching activity and identify any potential issues quickly during use.

Q: Where should I use flame-retardant solid state relays like this one?

A: Flame-retardant solid state relays are best suited for environments where safety and mechanical durability are critical, such as industrial plants, high-heat zones, or areas subject to electrical surges.

Q: What benefits does the zero-crossing trigger provide in switching?

A: Zero-crossing triggers enable smoother, quieter switching, reducing electrical noise and wear on both the relay and connected equipment. This helps improve reliability and operational lifespan.

Q: How does the relay protect connected equipment?

A: The relay features surge suppression, overload protection, and optical isolation. These mechanisms safeguard both the relay and your machinery from electrical faults and transient surges, ensuring robust operation.

Q: What is the process for monitoring and maintaining this relay?

A: Regularly check the LED indicator for operational status and inspect connections on the screw terminals. For high-load scenarios, periodically verify the relays cooling and ensure insulation resistance remains above 1000 M for peak safety.

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