Ceramic: Ker 110 (feldspar ceramic Si02-Al2O3) glazed 5 sides.
- Bulk density : >2.3 g/cm3
- Water absorption : max 2% (on unglazed side)
- Flexural strength : 80 Mpa/cm²
- Coefficient of thermal expansion : <6 10-6 mm/°C (20-100°C)
- Volume resistivity : >1010 cm at 100°C
- Dielectric strength : 10 Kv/mm
- Terminal numbering: 1, 2, 3, 4
Screws: Nickel plated steel (Sae1045). Clamping with or without pressure plate upon types
Terminals: Nickel plated brass (63.5~68% Cu)
Maximum ambient temperature, as per EN60730-1(§14-1) :
- on ceramic: 425°C (800°F)
- on nickel plated brass connectors: 230°C (445°F)
Voltage: 250V to 400V upon types and sizes
Applicable standards: (IEC)EN 60998-1 and (IEC) EN60998-2-1 (August 1993)
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* Recommended clamping torque M3: 0.6 Nm, M3.5: 0.8Nm, M4 : 1.2Nm
** Test current upon IEC60998-1.
*** These ceramic blocs also exist with stainless steel pressure plate
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