RS Better World

Siemens SENTRON 5SY4 Miniature Circuit Breaker, 4-Pole, 16A, Type B, 400V ac AC, 60 V DC, 10 kA Breaking Capacity

RS Stock No.:: 124-3196
Mfr. Part No.:: 5SY4416-6
Brand:: Siemens

Siemens SENTRON 5SY4 Miniature Circuit Breaker, 4-Pole, 16A, Type B, 400V ac AC, 60 V DC, 10 kA Breaking Capacity

Subtotal (1 unit)*

£136.00

(exc. VAT)

£163.20

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

1 unit(s) ready to ship from another location
Plus 4 unit(s) shipping from 13 May 2026

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Units	Per unit
1 +	£136.00

*price indicative

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RS Stock No.:: 124-3196
Mfr. Part No.:: 5SY4416-6
Brand:: Siemens

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Miniature Circuit Breaker
	Number of Poles	4
	Current Rating	16A
	Tripping Characteristics	Type B
	Rated AC Voltage	400V ac
	Rated DC Voltage	60V
	Mount Type	DIN Rail
	Breaking Capacity	10kA
	Range	SENTRON
	Series	5SY4
	Terminal Type	Screw
	IP Rating	IP20
	Height	90mm
	Width	72mm
	Standards/Approvals	IEC/EN 60898-1, IEC/EN 60947-2/UL1077
	Depth	76mm
	Better World Product	Yes
	Better World Claim	Extended Product Life
	Reset Actuator Type	Toggle Switch

	Select all
	Brand Siemens
	Product Type Miniature Circuit Breaker
	Number of Poles 4
	Current Rating 16A
	Tripping Characteristics Type B
	Rated AC Voltage 400V ac
	Rated DC Voltage 60V
	Mount Type DIN Rail
	Breaking Capacity 10kA
	Range SENTRON
	Series 5SY4
	Terminal Type Screw
	IP Rating IP20
	Height 90mm
	Width 72mm
	Standards/Approvals IEC/EN 60898-1, IEC/EN 60947-2/UL1077
	Depth 76mm
	Better World Product Yes
	Better World Claim Extended Product Life
	Reset Actuator Type Toggle Switch

COO (Country of Origin):: DE

Siemens 5SY4 Series MCB, 16A Current Rating , 4 Poles - 5SY4416-6

This miniature circuit breaker is designed for efficient protection in electrical systems. The Siemens MCB, with a 4-pole configuration, has a current rating of 16 A and is suitable for 400V AC applications. Compact dimensions of 90mm in length, 72mm in width, and 76mm in depth make it Ideal for DIN rail mounting, ensuring hassle-free installation in various environments.

Features & Benefits

• Type B MCB provides reliable protection against overcurrents
• 10 kA breaking capacity for robust circuit safety
• Screw Terminal connections for secure and easy wiring
• Mechanical lifespan of 10000 cycles enhances durability
• Halogen free construction promotes safer operation

Applications

• Utilised in industrial automation systems
• Suitable for commercial electrical distribution boards
• Ideal for machinery and mechanical engineering
• Used in residential electrical systems requiring circuit protection

What is the significance of the 4-pole configuration?

The 4-pole design enables effective circuit interruption across multiple phases, making it suitable for three-phase systems and NEUTRAL conductors in industrial applications.

How does the tripping characteristic affect performance?

The Type B tripping characteristic ensures this device responds effectively to typical load conditions, protecting against overloads and short circuits in standard electronic applications.

Can this circuit breaker be used in outdoor environments?

It is recommended for indoor use only, as it has an IP20 rating which does not offer protection from moisture or dust commonly found outdoors.

How does the environmental temperature impact its operation?

This circuit breaker operates efficiently across a temperature range of -40°C to +70°C, ensuring reliability in diverse working conditions.