Finder 77 Series Solid State Relay, 50 A Load, Heatsink, 280 V ac Load, 230 V ac Control

RS Stock No.:: 800-2956
Mfr. Part No.:: 77.55.8.230.8250
Brand:: Finder

Finder 77 Series Solid State Relay, 50 A Load, Heatsink, 280 V ac Load, 230 V ac Control

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Subtotal (1 unit)**

$115.15

(exc. GST)

$126.67

(inc. GST)

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RS Stock No.:: 800-2956
Mfr. Part No.:: 77.55.8.230.8250
Brand:: Finder

Finder Series 77 Solid State Relay, 50A Maximum Load Current, 280V AC Maximum Load Voltage - 77.55.8.230.8250

This solid state relay is designed for industrial applications. With a maximum load current of 50A and a load voltage range of 21.6 to 280V AC, it offers reliable performance in demanding environments. The dimensions are 44.5 x 36.4 x 57.7mm, making it suitable for various mounting configurations.

Features & Benefits

• Minimal switching noise due to silent operation
• High-speed switching caters for rapid applications
• Zero cross switching enhances operational safety
• High electrical lifespan ensures minimal maintenance
• Suitable for resistive loads, reducing operational risks
• Robust terminal type provides secure connections

Applications

• Utilised in industrial systems
• Appropriate for requiring frequent switching
• Ideal for resistive load control in machinery
• Employed in control panels for electrical devices
• Commonly integrated into electrical heating

How does the operating temperature range affect use cases?

The operating temperature range of -30°C to +80°C allows for versatile usage in both cold and hot environments, ensuring consistent performance in varied conditions.

What is the significance of zero cross switching?

Zero cross switching minimises voltage spikes during operation, enhancing the reliability and longevity of connected devices, while also reducing electromagnetic interference.

Can it be mounted in different configurations?

Yes, it supports heatsink mounting with screws, allowing for easy integration within various setups and ensuring optimal heat dissipation during operation.

What are the typical applications for its high load current capability?

Its 50A load current capability makes it well-suited for demanding industrial processes such as motor controls, lighting systems, and thermal regulation applications.

Is it suitable for use with both AC and DC loads?

This relay is specifically optimised for AC applications, with specified input ranges tailored for AC voltage operation, making it effective for various industrial control scenarios.

Zero Voltage Relays

Note

Temperature can affect current rating; please consult the data sheet for potential derating.

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Finder
	Maximum Load Current	50 A
	Mounting Type	Heatsink
	Maximum Load Voltage	280 V ac
	Minimum Load Voltage	21.6 V ac
	Maximum Control Voltage	230 V ac
	Switching Type	Zero Crossing
	Control Voltage Range	230 V ac
	Minimum Load Current	250 mA
	Terminal Type	Screw
	Contact Configuration	SPST
	Package Style	Hockey Puck
	Series	77
	Load Voltage Range	21.6 → 280V ac
	Maximum Turn On Time	40 ms
	Dimensions	44.5 x 36.4 x 57.7mm
	Off State Leakage Current	10 mA
	Length	57.7mm
	Operating Temperature Range	-30 → +80°C
	Height	36.4mm
	Depth	44.5mm

	Select all
	Brand Finder
	Maximum Load Current 50 A
	Mounting Type Heatsink
	Maximum Load Voltage 280 V ac
	Minimum Load Voltage 21.6 V ac
	Maximum Control Voltage 230 V ac
	Switching Type Zero Crossing
	Control Voltage Range 230 V ac
	Minimum Load Current 250 mA
	Terminal Type Screw
	Contact Configuration SPST
	Package Style Hockey Puck
	Series 77
	Load Voltage Range 21.6 → 280V ac
	Maximum Turn On Time 40 ms
	Dimensions 44.5 x 36.4 x 57.7mm
	Off State Leakage Current 10 mA
	Length 57.7mm
	Operating Temperature Range -30 → +80°C
	Height 36.4mm
	Depth 44.5mm