Johnson Controls MR12DR230-1C User Manual

C
haracteristic of the general circuit
breaker
All models except CR-NDT and CR-NFDT
Interruption
capacity
CR-PS
CR-PT
CR-NS
CR-NT
IEC 898
maximum
Icn = 10 kA Icn = 6 kA
IEC 898
service
Ics = 10 kA Ics = 6 kA
IEC 947-2
maximum
Icu = 15 kA Icu = 10 kA
IEC 947-2
service
Ics = 10 kA Ics = 7,5 kA
Curve
DC
CR-NDT Models
Interruption
capacity
Defrost Controller
Fan…
IEC 898
maximum
Icn = 6 kA Icn = 10 kA
IEC 898
service
Ics = 6 kA Ics = 10 kA
IEC 947-2
maximum
Icu = 10 kA Icu = 15 kA
IEC 947-2
service
Ics = 7,5 kA Ics = 10 kA
Curve
CD
CR-NFDT Models
Defrost and controller in the NFDT models are
fuse protected.
For further details refer to manufacturer’s
documentation (in this case ABB)
C
haracteristic of the circuit breaker
for motor
(three phase models only).
Item Control
range
Interruption
capacity against
short circuit
380-400 Vac
Ics (kA)
CR-PT150-1
2,5….4 100
CR-PT250-1
4….6,3 100
CR-PT400-1
6,3….9 100
CR-PT550-1
9….12,5 75
CR-PT750-1
12,5….16 60
CR-NT150-1
2,5….4 100
CR-NT250-1
4….6,3 100
CR-NT400-1
6,3….9 100
CR-NT550-1
9….12,5 75
CR-NT750-1
12,5….16 60
CR-NDT150-1
2,5….4 100
CR-NDT250-1
4….6,3 100
CR-NDT400-1
6,3….9 100
CR-NDT550-1
9….12,5 75
CR-NDT750-1
12,5….16 60
CR-NFDT150-1
2,5….4 100
CR-NFDT400-1
6,3….9 100
CR-NFDT750-1
12,5….16 60
Fuses are nor required for a short circuit current
below the interruption capacity of the circuit
breaker.
For further details refer to manufacturer’s
documentation (in this case ABB).
CR1 13
© 2010 Johnson Controls, Inc. Catalogue Section 9

Johnson Controls MR12DR230-1C Specifications

General

Brand	Johnson Controls
Model	MR12DR230-1C
Category	Controller
Language	English