Page 252 - EPR Catalog 2015

Redundancy units
Technical data

Type CP-A CM

Input circuit - Supply circuit

Rated input voltage Uin 24 V DC
Input voltage range 13-28 V DC

Rated input current at rated sense load and 24 V DC 120 mA

Power consumption at 24 V DC approx. 1 W

Measuring circuit 11-12/14, 21-22/24

Monitoring function undervoltage monitoring

3 Measuring voltage rated operational voltage
Thresholds 14-28 V

Hysteresis, related to the threshold value fix: 3-5 %

Accuracy, tolerance 10 % of full-scale value

Maximum measuring cycle 6 ms

Indication of operational states

Status of input 1 IN 1: green LED : voltage at input 1 > than threshold 1 = no faults present

Status of input 2 IN 2: green LED : voltage at input 2 > than threshold 2 = no faults present

Output status OUT: green LED : UOUT > 3 V = no faults present
Output circuit +, +, -

Kind of output relays, 2 x 1 c/o contact

Contact material AgNi

Operating principle closed-circuit principle

Rated operational voltage Ue (IEC/EN 60947-1, VDE 0110) 250 V
Minimum switching voltage / Minimum switching current 24 V / 10 mA

Maximum switching voltage / Maximum switching current 250 V / 1 A

Rated operational current Ie AC-12 (resistive) at 230 V 1 A
(IEC/EN 60947-5-1) AC-15 (inductive) at 230 V 1 A

DC-12 (resistive) at 24 V 1 A

DC-13 (inductive) at 24 V 1 A

Mechanical lifetime 30 x 106 switching cycles

Electrical lifetime 0.1 x 106 switching cycles

Rating according UL 508 General purpose (GP) 250 V AC 1 A

Maximum fuse rating to achieve n/o contact 2 A, gL
short-circuit protection n/c contact 2 A, gL

Sense output (+, +, -) 1 SVR 427 075 R0000

Sense output voltage 13-28 V DC

Sense output current 0.1 A

Maximum fuse rating For applications acc. UL the sense output shall be provided
with a listed DC fuse 3 A

General data

Duty time 100 %

Dimensions (W x H x D, when mounted) 56.5 x 54 x 24 mm (2.22 x 2.13 x 0.94 in)

Material of housing plastic

Weight 0.063 kg (0.14 lb)

Degree of protection housing / terminals IP20 / IP20

Protection class II

Mounting snap-on mounting, without any tool

Mounting position plugged onto the redundancy unit CP-A RU

Electrical conection

Wire size fine-strand with wire end ferrule 0.2-2.5 mm2 (24-14 AWG)
fine-strand without wire end ferrule

rigid 0.2-4 mm2 (24-12 AWG)

Stripping length 7.5 mm (0.3 in)

Tightening torque 0.4-0.6 Nm

Isolation data

Rated insulation voltage Ui (IEC/EN 60947-1, EN 50178, VDE 0160) 250 V
Rated impulse withstand voltage Uimp (type test) between all circuits 2.5 kV
(IEC 664, VDE 0110)

Power-frequency withstand voltage test (routine test) between all circuits 1.2 kV AC

Protective separation (EN 50178) between input and output yes

Pollution degree 2

Overvoltage category II

Environmental data

Ambient temperature range operation -25...+70 °C

storage -40...+85 °C

Damp heat (IEC/EN 60068-2-3) 93 %at 40 °C, no condensation

Climatic category (IEC/EN 60721) 3K3

Vibration (IEC/EN 60068-2-6)

Shock (IEC/EN 60068-2-27)

3/53 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C0210