TRACOPOWER TEQ 300WIR DC-DC Converter, 12V dc/ 25A Output, 18 → 75 V dc Input, 300W, Chassis Mount, +80°C Max

RS Stock No.:: 135-3718
Distrelec Article No.:: 301-04-639
Mfr. Part No.:: TEQ 300-4812WIR
Brand:: TRACOPOWER

TRACOPOWER TEQ 300WIR DC-DC Converter, 12V dc/ 25A Output, 18 → 75 V dc Input, 300W, Chassis Mount, +80°C Max

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Subtotal (1 unit)*

£600.51

(exc. VAT)

£720.61

(inc. VAT)

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In Stock

9 unit(s) ready to ship
Plus 4 unit(s) shipping from 15 January 2026

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Units	Per unit
1 - 4	£600.51
5 - 9	£582.50
10 - 24	£564.49
25 - 49	£540.47
50 +	£516.44

*price indicative

RS Stock No.:: 135-3718
Distrelec Article No.:: 301-04-639
Mfr. Part No.:: TEQ 300-4812WIR
Brand:: TRACOPOWER

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	TRACOPOWER
	Output Voltage	12V dc
	Input Voltage Range	18 → 75 V dc
	Power Rating	300W
	Input Voltage Nominal	48 V dc
	Output Current	25A
	Mounting Type	Chassis Mount
	Isolated	Yes
	Number of Outputs	1
	Output Voltage Adjustment Range	±20%
	Isolation Voltage	3kV dc
	Width	101.6mm
	Length	152.4mm
	Depth	38.6mm
	Railway Approved	Yes
	Series	TEQ 300WIR
	Load Regulation	0.005
	Maximum Temperature	+80°C
	Standards Met	EN 50155, EN 55022, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EN 61373, IEC/EN 60950-1, MIL-HDBK-217F, MIL-STD-810F, UL 60950-1
	Efficiency	89%
	Minimum Temperature	-40°C

	Select all
	Brand TRACOPOWER
	Output Voltage 12V dc
	Input Voltage Range 18 → 75 V dc
	Power Rating 300W
	Input Voltage Nominal 48 V dc
	Output Current 25A
	Mounting Type Chassis Mount
	Isolated Yes
	Number of Outputs 1
	Output Voltage Adjustment Range ±20%
	Isolation Voltage 3kV dc
	Width 101.6mm
	Length 152.4mm
	Depth 38.6mm
	Railway Approved Yes
	Series TEQ 300WIR
	Load Regulation 0.005
	Maximum Temperature +80°C
	Standards Met EN 50155, EN 55022, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, EN 61373, IEC/EN 60950-1, MIL-HDBK-217F, MIL-STD-810F, UL 60950-1
	Efficiency 89%
	Minimum Temperature -40°C

TRACOPOWER TEQ 300WIR Series DC-DC Converter, 89% Efficiency, 3kV DC Isolation Voltage - TEQ 300-4812WIR

This isolated DC-DC converter is designed for high performance and versatility, making it a valuable component in various applications. It is relevant for users in automation, electronics, and other fields needing dependable power management. Its robust construction and railway certification highlight its functionality in critical environments.

Features & Benefits

• Ultra-wide input voltage range of 18-75V DC
• Enhanced shock and vibration resistance for challenging conditions
• High efficiency of up to 92% to minimise energy loss
• Remote On/Off control for added convenience
• Compliant with EN 50155 standards, suitable for railway applications

Applications

• Employed in railway with certified power requirements
• Useful in battery-operated systems for effective voltage conversion
• Suitable for industrial settings where PCB mounting is not feasible
• Ideal for automation systems needing consistent and stable power
• Applicable in chassis mounting configurations for durability

How does the product handle temperature extremes?

It functions efficiently within a temperature range of -40°C to +80°C, making it suitable for diverse environments.

Can it be used in parallel with other units?

Yes, it allows power sharing when connecting up to three units in parallel.

What kind of output voltage adjustment is available?

The output voltage can be adjusted within ±20% using a simple potentiometer.

Is there a requirement for external fuses during installation?

The need for external fuses should be assessed based on the specific application.

How does it ensure safety in operation?

It includes features such as under voltage lockout and short circuit protection to safeguard against potential faults.