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GMC-I Messtechnik GmbH

21

The following limit values are indicated: 

1)

Resistance between housing and mains plug for connector cables up to 5 meters long

2)

0.1 

 is added for each additional 7.5 meters of cable length, up to a maximum of 1 

3)

For protection class I devices with activated heating elements 
(if heating power > 3 kW and R

ISO 

< 0.3 M

: leakage current measurement is required)

4)

This limit value refers to all-pole switches (corresponds to doubling the limit value or cutting actual 
measuring current in half)

10

Technical Data

10.1

Test case

Power Supply

Nominal line voltage 

230/400 V 50 Hz

Mains connection 

230 V 1P+N+PE 16 A earthing contact plug with coupling socket 
or 
230/400 V 3P+N+PE 16 A CEE plug with coupling socket 
or 
230/400 V 3P+N+PE 32 A CEE plug with coupling socket, max. 16 A !

Throughput rating:
Rated input per phase 16/20 A, 10 min.,  protection class I
Measuring category 

300 V CAT II

Pollution degree

2

RCD (RCCB) 4-pole, 

I

N

 25 A, I

A

 0.03 A

Protection, case:

IP 40 per DIN VDE 0470, part 1, connections: IP 20

Dimensions (WxHxD) Approx. 380 x 300 x 220 mm with cover
Weight

Approx. 7.5 kg

Measurement

Fault Condition per 

Standard

Indication of Exceeded Limit Value 

at the Test Instrument

Continuously Lit 

Red Error Lamp

Display of Limit 

Values

Continuous 

Buzzing (beeper)

Protective conduc-
tor resistance

R

SL

> 0.3

 

1)



> 0.3



—

R

SL

> 1

 

2)



> 1





Insulation 
resistance

Heater 

3)

:

R

ISO

< 0.3 M





< 0.5 M





PCI:

R

ISO

< 1.0 M





< 2.0 M



—

PCII:

R

ISO

< 2.0 M



—

< 2.0 M



—

Equivalent leakage 
current

I

EA

> 3.5 mA



—

—



> 7.0 mA 

4)



Leakage/contact 
current (verifica-
tion of absence of 
voltage)

I

A

> 0.25 mA



> 0.25 mA

—

I

A

> 0.5 mA



> 0.5 mA



Differential current

I

Diff

 3.5 mA



—

