Phoenix Contact SSK 0525 KER-EX Feed-through Terminal Block

USD 13.43

Total:

Ceramic feed-through terminal block, 690V/32A, 0.2-4mm² (24-12 AWG), for high-temperature and Ex-zone applications. DIN rail mountable.

SKU Phoenix-0501059 Category
MOQ: 50 pcs   >>   Order in multiples of 50
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Phoenix Contact SSK 0525 KER-EX Feed-through Terminal Block

Model Identifier SSK 0525 KER-EX
Official Part Number 0501059
GTIN Standard 4017918002480

Technical Overview

Ceramic feed-through terminal block, 690V/32A, 0.2-4mm² (24-12 AWG), for high-temperature and Ex-zone applications. DIN rail mountable.

Key Features

  • Screw connection method
  • Supports conductor cross sections from 0.2 mm² to 4 mm² (24-12 AWG)
  • Ceramic insulation material
  • DIN rail mountable (NS 32)
  • Approved for use in Ex zone (explosion protection)
  • Suitable for continuous operation at temperatures from -60°C to +175°C
  • Space-saving design with a width of 6.2 mm

High-temperature ceramic insulation enables reliable operation in extreme thermal conditions and ensures safety in explosion-hazardous areas (Ex zone approved).

Technical Specification Matrix

ParameterValue
Connection MethodScrew Connection
Nominal Cross Section0.2 mm² - 4 mm²
AWG Range24 - 12 AWG
Rated Surge Voltage8 kV
Voltage Rating (IEC)690 V
Voltage Rating (CSA)600 V
Rated Current (Max.)32 A (with 4 mm² conductor)
Rated Current (IEC)24 A (with 2.5 mm² conductor)
Insulation MaterialCeramics
ColorIvory (RAL 1014)
Mounting TypeDIN Rail (NS 32)
Ambient Temperature (Operation)-60 °C to +175 °C
Overvoltage CategoryIII
Degree of Pollution3
Insulating Material GroupI
Ex DataApproved for Ex zone (ATEX/IECEx identification)
Physical Weight (kg)0.02
Dimensions L x W x H (cm)3.8 x 0.62 x 4.8

Industrial Applications

1. High-Temperature Process Control in Chemical Plants

This terminal block is ideal for connecting sensors and actuators in process control systems located in areas of chemical plants where extreme temperatures are present, such as near furnaces, reactors, or steam lines. The ceramic insulation and high operating temperature range of -60°C to +175°C ensure reliable signal and power transmission even under sustained thermal stress.

Problem Solved

Prevents component failure and signal degradation in high-temperature industrial environments, which would typically cause standard terminal blocks to melt or degrade, leading to system downtime and safety hazards.

High temperatureChemical processingSensor connectivityActuator controlThermal stabilityProcess automation-60°C to +175°C

2. Wiring in Explosion-Hazardous Areas of Oil & Gas Facilities

Due to its Ex zone approval and ceramic insulation, this terminal block is perfectly suited for electrical connections within control panels or junction boxes in Zone 1 or Zone 2 hazardous locations commonly found in oil and gas refineries, offshore platforms, or fuel storage depots. It ensures intrinsic safety by preventing sparks and withstands harsh environmental conditions.

Problem Solved

Provides safe and compliant electrical connections in potentially explosive atmospheres, mitigating the risk of ignition and ensuring operational safety as required by ATEX/IECEx directives.

Ex zoneHazardous locationsOil & gasIntrinsic safetyATEXIECExExplosion protectionControl panel wiringCeramic insulation

3. Power Distribution in Heavy Industry Manufacturing Equipment

The robust ceramic construction, 690V voltage rating, and 32A current capacity make this terminal block suitable for power distribution within heavy industrial machinery, such as steel mills, glass manufacturing lines, or forging presses, where high operational temperatures, high voltages, and strong vibrations are common. It handles significant power loads and maintains integrity under mechanical stress.

Problem Solved

Ensures secure and durable power connections for critical machinery operating in physically demanding environments with high electrical loads and thermal fluctuations, extending equipment lifespan and reducing maintenance.

Heavy industryPower distributionHigh voltageHigh currentVibration resistanceCeramic insulationIndustrial machinery690V32A
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