Type of Service

Continuous

Operating Class

C87/8

Class B 10,000 hours at 470 VAC, Class A 30,000 hours at 420 VAC

C87/0

Class B 10,000 hours at 420 VAC, Class C 3,000 hours at 470 VAC

Temperature Range

−25 to +85°C valid for all C87 Series
−25 to +100°C valid only for C878H with temperature, cap. range 1 – 12 µF

Rated Voltage

470 VAC

Rated Frequency

50 – 60 Hz

Voltage Rise/Fall Time (Maximum)

0 = 15 V/μs

8 = 20 V/μs

Maximum Permissible Voltage

1.10 x rated voltage

Maximum Permissible Current

1.30 x rated current

Dissipation Factor (DF)

20 x 10−4 at +20°C, 50 Hz

Safety Class

S2

Maximum Altitude

2,000 m

Capacitance Tolerance

±5%

Mounting

Any position

Case

Aluminium

Disk

Thermoplastic Polymer V0 (UL 94) Plastic deck with:
-  self-extinguishing features V0 (UL94)
-  GWT–GWFI–GWIT value in conformity with the Standard IEC60335-1 ed. 4 par. 30/EN60335-1 ed.3 par.30

Filling Resin

Polyurethane

Dielectric

Polypropylene

Plates

Self-healing metal layer

Test Voltage Terminal to Terminal (VTT)

2 Vn for 2 seconds

Test Voltage Terminal to Can (VTC)

2,000 V for 2 seconds

Total Harmonic Distortion

Up to 10%

Fire Load

40 MJ/kg

Air Distance Between Live Parts

≥ 5 mm

Air Distance Between Live Parts and Case

≥ 6 mm

Vibration Test

IEC 68–2–6

Maximum Tightening Torque

5 Nm (M8), 10 Nm (M12)