www.megger.com
PAT400 Series
80
Test Group
Class
Description
Test Applied
Pass Limit
Test
Duration
SC1
1
Standard Class 1
Earthed Equipment
Visual Inspection
Earth Bond at 10A
Insulation test at 500V
Operation test (230V)
Differential Earth Leakage (230V)
≤0.1Ω
≥1MΩ
≤3000VA
≤3.5mA
5s
5s
5s
5s
PAT420
PAT450
SC1-RCD
1
Standard Class 1
Earthed Equipment with
RCD Protection
Visual Inspection
RCD 30mA test
Earth Bond at 10A
Operation test (230V)
Differential Earth Leakage (230V)
≤0.1Ω
≤3000VA
≤3.5mA
5s
5s
5s
PAT420
PAT450
SC1B
1
Standard Class 1
Earthed Equipment
200mA Continuity Test
Visual Inspection
Earth Continuity
Insulation test at 500V
Operation test (230V)
Differential Earth Leakage (230V)
≤0.1Ω
≥1MΩ
≤3000VA
≤3.5mA
5s
5s
5s
5s
PAT410
PAT420
PAT450
SC1B-RCD
1
Standard Class 1
Earthed Equipment with
RCD Protection
200mA Continuity Test
Visual Inspection
RCD 30mA test
Earth Continuity
Operation test (230V)
Differential Earth Leakage (230V)
≤0.1Ω
≤3000VA
≤3.5mA
5s
5s
5s
PAT410
PAT420
PAT450
SC2
2
Typical Class 2
Double Insulated
Visual Inspection
Insulation test at 500V
Operation test (230V)
Touch Current (230V)
≥2MΩ
≤3000VA
≤0.25mA
5s
5s
5s
PAT410
PAT420
PAT450
TO1
1
110V Tools
Earthed Equipment
Visual Inspection
Earth Bond at 25A
Insulation test at 500V
Operation test (110V)
Differential Earth Leakage (110V)
≤0.1Ω
≥1MΩ
≤1800VA
≤3.5mA
5s
5s
5s
5s
UK only
PAT420
PAT450
TO1F
1
110V Tools Class 1 + Flash
Earthed Equipment
Visual Inspection
Earth Bond at 25A
Insulation test at 500V
Operation test (110V)
Differential Earth Leakage (110V)
Flash test at 1500V
≤0.1Ω
≥1MΩ
≤1800VA
≤3.5mA
≤3mA
5s
5s
5s
5s
User
controlled
UK only
PAT450
TO2
2
110V Tools
Double Insulated
Visual Inspection
Insulation test at 500V
Operation test (110V)
Touch Current (110V)
≥2MΩ
≤1800VA
≤0.25mA
5s
5s
5s
UK only
PAT420
PAT450
TO2F
2
110V Tools Class 2 + Flash
Double Insulated
Visual Inspection
Insulation test at 500V
Operation test (110V)
Touch Current (110V)
Flash test at 3000V
≥2MΩ
≤1800VA
≤0.25mA
≤0.2mA
5s
5s
5s
User
controlled
Uk only
PAT450
A.9 PAT400 Factory Default Test Groups
Test Groups for UK PAT Variants: