Megger TSX300 Automatic Switch Box for Transformer Testing

Name: Buy Megger TSX300 Automatic Switch Box for Transformer Testing
Brand: Megger
SKU: 125554

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The Megger TSX300 is an automatic switch box for TRAX systems that enables single-connection testing of WRM (16 A DC), TTR (250 V AC), demagnetisation, and OLTC continuity. Compact (3.8 kg), rugged, and field-ready, it saves time, reduces errors, and improves safety in transformer testing.

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SKU: 125554 Category: Relay And Protection Testing

Brand:Megger

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Description

Megger TSX300 Automatic Switch Box overview | High-Efficiency Transformer Testing Accessory

The Megger TSX300 is a compact and powerful automatic switch box designed to improve transformer testing efficiency with Megger TRAX systems. By allowing single-connection testing, it eliminates the need to reconnect test leads between phases and taps, saving valuable time and reducing operator risk.

With support for winding resistance measurement (WRM) up to 16 A DC, turns ratio testing (TTR) up to 250 V AC, automatic demagnetisation, and OLTC continuity testing, the TSX300 ensures fast, safe, and accurate transformer diagnostics in substations and industrial environments.

Lightweight at just 3.8 kg, and supplied with color-coded bushing cables, the TSX300 is easy to transport and operate in the field, while its rugged build and compliance with IEC/CE standards guarantee durability and reliability.

Megger TSX300 Automatic Switch Box Key Features

Single connection: Perform WRM, TTR, demagnetisation, and OLTC tests without changing leads.
Winding resistance testing: Up to 16 A DC for precise resistance measurements.
Turns ratio testing (TTR): Supports up to 250 V AC.
Automatic demagnetisation: Protects transformer cores after DC resistance testing.
OLTC continuity tests: One-touch make-before-break testing.
Lightweight & portable: Just 3.8 kg, with compact 310 × 190 × 210 mm footprint.
Field-ready: Built for high-voltage substations and industrial sites, with rugged housing and protective ground terminal.
Safety & compliance: CE-marked, IEC vibration/shock tested, transport certified (ISTA 2A).

Specifications

Megger TSX300 Automatic Switch Box Specifications

Environment
Application	Field use; for high-voltage substations and industrial environments
Operating Temperature	-20 °C to +55 °C (-4 °F to +131 °F)
Storage Temperature	-40 °C to +70 °C (-40 °F to +158 °F)
Humidity	0–90% non-condensing
Altitude	Up to 2000 m
CE Marking	LVD 2006/95/EC
Vibration	IEC 60068-2-6
Shock	IEC 60068-2-27
Transport	ISTA 2A
General
Protective Ground	Protective ground (earth) conductor terminal
Dimensions	310 × 190 × 210 mm (excl. handle) \| 12.2″ × 7.5″ × 8.3″
Weight	3.8 kg (8.3 lb)
TRAX Interface
Inputs
250 V AC	Max 250 V (Max 16 A)
16 A DC	Max 16 A (Max 60 V)
Outputs
R1	Max 60 V DC
R2	Max 60 V DC
CH1	Max 250 V AC
CH2	Max 250 V AC
Measurement Notes
Voltage Measurements	All voltage (MEAS) signals are interfaced to TRAX (R1, R2, CH1, CH2)
Current Measurements	All DC/AC currents measured internally by TRAX generator