Bender RCMA420-D-2 B74043002 Datenbogen

 

 

TDB404006en / Main catalogue part 4 – Residual current monitors, Residual current monitoring systems / 07.2010 

43

Residual current monitor RCMA420

Rated insulation voltage 

250 V

Rated impulse voltage/pollution degree 

2.5 kV / III

Protective separation (reinforced insulation) between
 

(A1, A2) - (k, l, T/R) - (11, 12, 14) - (21, 22, 24)

Voltage tests according to IEC 61010-1 

2.21 kV

RCMA420-D-1:
Supply voltage U

S

  

AC 16…72 V / DC 9.6…94 V

Frequency range U

S

  

42…460 Hz

RCMA420-D-2:
Supply voltage U

S

  

AC/DC 70…300 V

Frequency range U

S

  

42…460 Hz

Power consumption 

≤ 3 VA

External measuring current transformer  

W20AB, W35AB, W60AB series

Rated insulation voltage (measuring current transformer)  

800 V

Operating characteristic acc. to IEC 62020 and IEC/TR 60755  

Type B

Rated frequency  

0…2000 Hz

Measuring range AC  

0…1.5 A

Measuring range DC 

0…600 mA

Relative uncertainty of the response value 

0…-35%

Relative uncertainty  

0…35%

Rated residual operating current I

Δn1

 (prewarning, AL1)  

50…100 % x I

Δn2

, (50 %)*

Rated residual operating current I

Δn2

 (alarm, AL2)  

10…500 mA (30 mA)*

Hysteresis  

10…25 % (15 %)*

Start-up delay t  

0…10 s (0.5 s)*

Response delay t

on2

 (alarm)  

0…10 s (0 s)*

Response delay t

on1

 (prewarning)  

0…10 s (1 s)*

Delay on release t

off

 

0…99 s (1 s)*

Operating time t

ae

 at I

Δn

 = 1 x I

Δn1/2

  

 ≤ 180 ms

Operating time t

ae

 at I

Δn

 = 5 x I

Δn1/2

  

 ≤ 30 ms

Response time t

an

  

 t

an

 = t

ae

 + t

on1/2

Recovery time t

b

  

 ≤ 300 ms

Connection (see ordering information)  

 connecting cable WX… 1 m / 2.5 m / 5 m / 10 m

Display range, measured value AC 

0…1.5 A

Display range, measured value DC  

0…600 mA

Error of indication  

± 17,5 % / ± 2 digit

Measured-value memory for alarm value  

data record measured values

Password  

off / 0…999 (off)*

Fault memory alarm relay  

on / off (on)*

Cable length for external test/reset button 

0…10 m

Number of switching elements  

 2 x 1 changeover contact

Operating principle  

 N/C operation / N/O operation (N/C operation)*

Electrical endurance, number of cycles 

 10000

Contact data acc. to IEC 60947-5-1 
Utilisation 

category 

AC-13 AC-14 DC-12 DC-12  

DC-12

Rated operational voltage 

230 V 

230 V 

24 V 

110 V 

220 V

Rated operational current 

5 A  

3 A 

1 A 

0.2 A 

0.1 A

Minimum contact rating 

1 mA at AC/DC ≥ 10 V

EMC 

  IEC 62020

Operating temperature  

 -25 ºC…+55 ºC

Climatic class acc. to IEC 60721
Stationary use (IEC 60721-3-3) 

3K5 (except condensation and formation of ice)

Transport (IEC 60721-3-2) 

2K3 (except condensation and formation of ice)

Long-time storage (IEC 60721-3-1) 

1K4 (except condensation and formation of ice)

Classification of mechanical conditions IEC 60721 
Stationary use (IEC 60721-3-3) 

3M4

Transport (IEC 60721-3-2) 

2M2

Long-time storage (IEC 60721-3-1) 

1M3

Connection type 

push-wire terminals

Connection properties
rigid 

0.2…2.5 mm² / AWG 24-12

flexible without ferrule 

0.2…2.5 mm² / AWG 24-12

flexible with ferrule 

0.2…1.5 mm² / AWG 24-16

Stripping length 

10 mm

Opening force 

50 N

Test opening, diameter 

2.1 mm

Operating mode 

continuous operation

Position of normal use 

 display-oriented

Degree of protection, internal components (IEC 60529)  

 IP30

Degree of protection, terminals (IEC 60529) 

 IP20

Enclosure material 

 polycarbonate

Flammability class 

UL94V-0

DIN rail mounting acc. to 

 IEC 60715

Screw fixing 

 2 x M4 with mounting clip

Software version  

D242 V1.1x

Operating manual  

TGH1411

Weight  

≤ 150 g

( )* = factory setting