Super safety switch

PERFORMANCE PARAMETERS – RCBO (MRR-H)

Patent Protected and Registered Design

FUNCTION

Earth Leakage Protection

Over Voltage Protection (280V ±5%)

Overload Protection

DUAL OPENING of Line and Neutral Poles (N = Early Make/Late Break)

Short Circuit Protection

TECHNICAL DATA

– According to  IEC61009.1 & AS/NZS61009.1

FUNCTION

RATING

Rated Frame Size

32 Ampere

Rated Current – I

10A – 16A – 20A – 25A – 32A

n

Rated Voltage – U

AC 240V ±5% – 50/60 Hz

n

Rated Residual Operating Current  – I

30mA

n

Rated Residual Non-operating Current – I

15mA

no

Rated Short Circuit Breaking Capacity – I

6kA

cn

Rated Residual Making and Breaking Capacity – I

500A

m

Rated Overvoltage Operation

AC 280V ±5%

Ambient temperature

-5°C to +55°C

<= 10mm

Terminals

2

Pollution/Non-Conductive pollution

Grade 2

Degree of protection

IP20

Case Temperature Withstand –  “Hot Wire Test”  960°C

TRIPPING CHARACTERISTICS  ORDERING

Residual Current Trip Characteristics: AC  ~

MRR – H – 32 – C

Instantaneous Trip Characteristics: C standard (Curve ‘B’ & ‘D’ available)

Breaking Time of Rated Residual Operating Current

Series Cur ve

kA Current

eg

MRR-H32C

MRR-6kA, 32 Amp, ‘C’ Cur ve

I

(A)  1

(A)  Residual Breaking Current Value

n

n

10A – 32A  30mA  I

(A)  2 x I

(A)  5 x I

(A)  500A

n

n

Break Time

<0.03s  <0.08s  <0.04s  <0.04s

OVERCURRENT TRIP CHARACTERISTICS – “C” Curve @ 30°C Ambient

#  TEST  INITIAL  LIMITING TIME FOR  TEST  REMARKS

CURRENT  STATUS  TRIPS & NON-TRIP  RESULT

1  1.13 x I

Not connected to current  T

=

1h  No trip

n

2  1.45 x I

Same as above  T <  1h  Tripped  Shows a steady increase of

n

current within 5 seconds

3  2.55 x I

Same  1s < t < 60s  Tripped

n

4  5 x I

Same  T

=

0.1s  No trip

n

5  10 x I

Same  T  < 0.1s  Tripped

n

* The ONLy PRODUCT AVAILABLE @ 6kA with standard MCB dimensions

Test Dimensions Circuit Diagram