SMC PTE 100 C 

The SMC PTE 100 C Voltage Relay Test Set is a professional‑grade electrical testing instrument designed for comprehensive testing and calibration of voltage relays, protection systems, and control circuitry in electrical power installations. Engineered for reliability and precision, the PTE 100 C is widely used by electrical engineers, technicians, and maintenance teams in industries such as power generation, utilities, heavy industry, and industrial automation.

This advanced test set serves as a complete solution for simulating voltage conditions and verifying the correct operation of protective relays and voltage monitoring devices. By providing adjustable and accurate voltage outputs, the PTE 100 C enables users to conduct functional tests, adjust pickup and dropout settings, and validate timing characteristics of voltage relays. It helps ensure that protection relays respond quickly and accurately during fault conditions, which is critical for safeguarding electrical equipment and maintaining system reliability.

The ergonomic design of the PTE 100 C includes a robust housing suited for field and workshop environments, with user‑friendly controls that allow for intuitive operation even in demanding jobsite conditions. Clear analog or digital indicators (depending on configuration) assist technicians in monitoring output levels and test progress in real time. Flexible connections and safety features further enhance usability, enabling efficient setup and minimizing risks associated with high‑voltage testing.

Capable of generating a wide range of voltages and frequencies, the PTE 100 C is suitable for testing a variety of voltage relay types, including over‑/under‑voltage relays, voltage presence and absence relays, and complex protection logic devices used in modern electrical systems. Its precision and versatility make it an essential tool for commissioning, preventive maintenance, troubleshooting, and periodic certification testing of electrical protective systems.

Whether calibrating new relays during installation or validating existing protection schemes, the SMC PTE 100 C Voltage Relay Test Set delivers the performance and flexibility required by professionals responsible for electrical safety and system integrity. Its combination of accuracy, rugged design, and comprehensive functionality positions it as a trusted solution in electrical relay testing and verification.

Specifications

General

• Product Name: SMC PTE 100 C

• Instrument Type: Voltage Relay Test Set

• Application: Testing, calibration, and verification of voltage relays and voltage‑sensitive protection devices in electrical systems

• Design: Rugged field/workshop‑ready housing

• Operation: Manual control with precision output adjustment

Input Power

• Supply Voltage: Typically mains AC supply (e.g., 220 V or 230 V AC depending on region)

• Frequency: 50 Hz / 60 Hz compatible

• Power Consumption: Specified per unit design

Output Voltage

• Output Range: Adjustable AC voltage output for relay testing

• Typical Output: 0 V up to maximum rated level suitable for testing voltage relays (varies by tester model)

• Fine Adjustment: Precision voltage control for accurate relay pickup/drop‑out testing

Frequency

• Nominal Frequency: 50 Hz and 60 Hz (adjustable or compatible for relay testing across standards)

Measurement & Control

• Voltage Control: Variable output for precise simulation of operating and fault conditions

• Voltage Indication: Clear analog/digital panel display showing output level

• Relay Test Functions: Simulates voltage levels to verify pickup and drop‑out characteristics

• Timing Checks: Can be used in conjunction with timing measurement tools for relay response timing

Safety & Protection

• Overload Protection: Internal safeguards to protect against excessive current or unexpected load conditions

• Insulation & Safety Design: Designed to meet electrical safety standards for high‑voltage test sets

• Connections: Isolated test terminals for secure interfacing with relays and protection devices

Mechanical

• Enclosure: Robust metal or reinforced housing for durability

• Control Interface: Knobs, switches, and display on front panel for easy operation

• Mobility: Portable or bench‑mount form factor based on configuration

Environmental Conditions

• Operating Temperature Range: Suitable for shop and field environments

• Humidity: Designed for normal industrial humidity conditions (non‑condensing)

• Altitude: Standard installation altitudes unless specified otherwise by manufacturer

Typical Use Cases

• Calibration of over‑voltage and under‑voltage relays

• Functional testing of voltage presence/absence protection devices

• Routine maintenance of electrical protection systems

• Commissioning and validation of relay settings in switchgear and panel installations