Phoenix Contact PTME 4 Current Transformer Disconnect Terminal Block, Push-in Connection, 500V, 31A, Gray

This Phoenix Contact PTME 4 current transformer disconnect terminal block is an essential component for electrical engineers and panel builders who need to safely isolate measuring transformers during meter replacement or maintenance. Its push-in technology allows fast, tool-free wiring, saving valuable installation time in control cabinets and distribution boards.

Key specifications

• Connection method: Push-in connection
• Number of positions: 3
• Number of levels: 1
• Nominal voltage: 500 V
• Nominal current: 31 A
• Rated surge voltage: 6 kV
• Maximum load current: 31 A (for 6 mm² conductor)
• Conductor cross section solid: 0.2 mm² - 6 mm²
• Conductor cross section stranded: 0.2 mm² - 4 mm²
• AWG size: 24 - 10
• Insulating material: Polyamide (PA)
• Colour: Gray
• Mounting type: DIN rail NS 35/7.5 or NS 35/15
• Pollution degree: 3
• Overvoltage category: III
• Flammability rating: UL 94 V-0
• Operating temperature: -60 °C to 105 °C
• Disconnect type: Current transformer disconnect
• Test connection: 4 mm test socket
• Stripping length: 10 mm

Why choose it

This terminal block combines safety and efficiency. The integrated disconnect lever ensures a clear isolation point, while the push-in connection accepts ferruled or solid conductors instantly without re-tightening. Its robust polyamide housing and V-0 flammability rating make it suitable for demanding industrial environments.

Ideal use cases

• Current transformer secondary circuits
• Metering panels and distribution boards
• Motor control centres
• Any application requiring safe isolation during testing or maintenance

Good to know

The 4 mm test socket allows easy connection of test leads. It is designed for DIN rail mounting and supports both NS 35/7.5 and NS 35/15 rails. The operating temperature range of -60 °C to 105 °C ensures reliable performance in extreme conditions.