Finder DIN Rail Relay, 24V ac Coil, 16A Switching Current, SPST-NO
- RS Stock No.:
 - 257-7343
 - Mfr. Part No.:
 - 202180240000
 - Brand:
 - Finder
 
Subtotal (1 unit)*
£27.14
(exc. VAT)
£32.57
(inc. VAT)
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Temporarily out of stock
- 5 unit(s) shipping from 05 December 2025
 - Plus 999,999,994 unit(s) shipping from 27 January 2026
 
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Units  | Per unit  | 
|---|---|
| 1 + | £27.14 | 
*price indicative
- RS Stock No.:
 - 257-7343
 - Mfr. Part No.:
 - 202180240000
 - Brand:
 - Finder
 
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all  | Attribute | Value | 
|---|---|---|
| Brand | Finder | |
| Coil Voltage | 24V ac | |
| Contact Configuration | SPST-NO | |
| Mounting Type | DIN Rail | |
| Switching Current | 16A | |
| Number of Poles | 1 | |
| Series | 20 | |
| Latching | No | |
| Terminal Type | Screw | |
| Maximum Switching Voltage AC | 400V ac | |
| Maximum Switching Voltage DC | 110V dc | |
| Maximum Switching Current AC | 30 A | |
| Coil Power | 6.5W | |
| Maximum Operating Temperature | +40°C | |
| Life | 100000 Cycles | |
| Contact Material | Silver Alloy | |
| Isolation Coil To Contact | 4kV | |
| Minimum Operating Temperature | -40°C | |
| Number of Coils | Single | |
| Dimensions | 17.4 x 84 x 58.4mm | |
| Select all | ||
|---|---|---|
Brand Finder  | ||
Coil Voltage 24V ac  | ||
Contact Configuration SPST-NO  | ||
Mounting Type DIN Rail  | ||
Switching Current 16A  | ||
Number of Poles 1  | ||
Series 20  | ||
Latching No  | ||
Terminal Type Screw  | ||
Maximum Switching Voltage AC 400V ac  | ||
Maximum Switching Voltage DC 110V dc  | ||
Maximum Switching Current AC 30 A  | ||
Coil Power 6.5W  | ||
Maximum Operating Temperature +40°C  | ||
Life 100000 Cycles  | ||
Contact Material Silver Alloy  | ||
Isolation Coil To Contact 4kV  | ||
Minimum Operating Temperature -40°C  | ||
Number of Coils Single  | ||
Dimensions 17.4 x 84 x 58.4mm  | ||
RoHS Status: Exempt
Finder Series 20 Modular Step Relay, 24V AC Coil Voltage, 16A Switching Current - 202180240000
This modular step relay is designed for efficient control of lighting and automation systems across commercial and industrial applications. With a compact design measuring 17.4 x 84 x 58.4mm, it supports a coil voltage of 24V AC and operates seamlessly in various environments, accommodating temperatures from -40°C to +40°C. Tailored for DIN rail installation, this energy-efficient relay ensures reliable performance in multiple configurations.
Features & Benefits
• Supports up to 16A switching current for robust applications 
• SPST-NO contact configuration allows for straightforward control
• High voltage capability of 400V AC ensures versatility
• Screw terminals enable secure and simple wiring connections
• Mechanical test button provides easy troubleshooting and setup
• Available with 7 switching sequences for customised functionality
• SPST-NO contact configuration allows for straightforward control
• High voltage capability of 400V AC ensures versatility
• Screw terminals enable secure and simple wiring connections
• Mechanical test button provides easy troubleshooting and setup
• Available with 7 switching sequences for customised functionality
Applications
• Utilised in automation for blinds, grilles, and shutters 
• Ideal for lighting control in corridors of hotels and hospitals
• Effective for bedroom and living room light management
• Compatible with illuminated push buttons for enhanced user interaction
• Suitable for use in systems requiring reliable control of machinery
• Ideal for lighting control in corridors of hotels and hospitals
• Effective for bedroom and living room light management
• Compatible with illuminated push buttons for enhanced user interaction
• Suitable for use in systems requiring reliable control of machinery
What is the significance of the insulation specifications in this product?
The insulation between the coil and contacts features a dielectric strength of 4kV, ensuring safety and reliability in operation by preventing unwanted electrical interference and failures, particularly in high-voltage applications.
How does the switching current capability impact my automation projects?
With a maximum switching current of 16A and peak current of 30A, the relay is suited for powerful applications, ensuring that it can handle significant loads without overheating or compromising performance during demanding operations.
What are the recommended wire sizes for installation?
This relay accommodates various wire sizes
solid cable connections can utilise up to 1x6mm², while stranded cables can go up to 2x4mm², providing flexibility for different installation needs and ensuring secure electrical connections for optimal operation.
Related links
- Finder DIN Rail Modular Step Relay 16A Switching Current, SPST-NO
 - Finder DIN Rail Latching Modular Step Relay 16A Switching Current SPST-NO
 - Finder DIN Rail Latching Modular Step Relay 16A Switching Current SPST-NO
 - Finder DIN Rail Latching Modular Step Relay 16A Switching Current, SPST-NO
 - Finder DIN Rail Latching Modular Step Relay 16A Switching Current SPST-NO
 - Finder DIN Rail Power Relay 20A Switching Current SPST-NO
 - Finder DIN Rail Modular Step Relay 16A Switching Current, DPST
 - Finder DIN Rail Latching Modular Step Relay 16A Switching Current, DPST-NO
 
