Inosaki – Your Trusted Phoenix Contact Distributor
Inosaki proudly stands as one of the largest distributors of Phoenix Contact products, offering a comprehensive range of terminal blocks, interface modules, power supplies, and relays.

Our Best-Selling Terminal Blocks: Feed-Through, Fuse Modular, Spring Cage, Double Level, Multi-Level

Series Models: PT Series, ST Series, TB Series, UT Series, and UK Series, PTV Series, UKH Series, Micro Series.

Reliable Power Supply Solutions

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QUINT Power – Premium performance for critical systems
STEP Power – Compact design for space-saving applications
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UNO Power – Cost-effective and efficient

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Input Data

DC operation
Input voltage	24 V DC
Input voltage range	100 V DC … 350 V DC
Voltage type of supply voltage	DC
Inrush current	< 34 A (< 1.1 A²s)
Inrush current integral (I²t)	< 1.1 A²s
Mains buffering time	see diagram
Buffer period	20 min. (2 A)
Rotary selector switch	Can be set to: 0.5 min; 1 min; 2 min; 3 min; 5 min; 10 min; 15 min; 20 min; 30 min; permanent
Current consumption	0.6 A
	0.85 A (230 V AC)
	1.1 A
	1.5 A (120 V AC)
Protective circuit	Varistor
Power factor (cos phi)	approx. 0.5
Typical response time	100 ms
Input fuse	3.15 A (slow-blow, internal)
Permissible backup fuse	B6 B10 B16
Recommended breaker for input protection	6 A … 16 A (Characteristics B, C, D, K)
AC operation
Nominal input voltage range	100 V AC … 240 V AC
Input voltage range	85 V AC … 264 V AC
Voltage type of supply voltage	AC

Output Data

Efficiency	> 83 %
Nominal output voltage	24 V DC (AC input voltage available: 22.5 to 29.5 V DC, AC input voltage not available: 27.9 to 19.2 V DC)
Setting range of the output voltage (U_Set)	22.5 V DC … 29.5 V DC (normal mode; in the buffer mode, dependent on a battery voltage of 27.9 V DC … 19.2 V DC)
Nominal output current (I_N)	2 A
Output current limit	max. 3 A
Bridging time	1200 s
Derating	60 °C … 70 °C (2.5%/K)
Feedback voltage resistance	35 V DC
Protection against overvoltage at the output (OVP)	< 35 V DC
Max. capacitive load	unlimited
Control deviation	< 1 % (change in load, static 10 % … 90 %)
Residual ripple	< 50 mV_PP
Output power	48 W
Peak switching voltages nominal load	< 100 mV_PP
Maximum no-load power dissipation	3.8 W
Power loss nominal load max.	15 W
Power dissipation	3.8 W
	10.1 W
	2.1 W
Rise time	< 100 ms
Connection in parallel	yes
Connection in series	No
Mains operation
Nominal output voltage	24 V DC
Output voltage range	22.5 V DC … 29.5 V DC
Nominal output current (I_N)	2 A
Battery operation
Nominal output voltage	24 V DC
Output voltage range	19.2 V DC … 27.6 V DC (U_OUT = U_BAT – 0,5 V DC)
Nominal output current (I_N)	2 A
Signal: Active (high = buffer module is loaded)
Output description	Power Good
Maximum switching voltage	≤ 24 V
Output voltage	+ 24 V
Continuous load current	≤ 20 mA
Signal: Alarm
Output description	Relay output
Maximum switching voltage	≤ 24 V
Output voltage	24 V
Continuous load current	≤ 200 mA
Signal: Battery charge
Output description	Relay output
Maximum switching voltage	≤ 24 V
Output voltage	24 V
Continuous load current	≤ 200 mA
Signal: Battery mode
Output description	Relay output
Maximum switching voltage	≤ 24 V
Output voltage	24 V
Continuous load current	≤ 200 mA

Connection Data

Input
Connection method	Pluggable COMBICON screw connections
Conductor cross section, rigid min.	0.2 mm²
Conductor cross section, rigid max.	2.5 mm²
Conductor cross section flexible min.	0.2 mm²
Conductor cross section flexible max.	2.5 mm²
Conductor cross section AWG min.	24
Conductor cross section AWG max.	12
Stripping length	8 mm
Screw thread	M3
Tightening torque, min	0.5 Nm
Tightening torque max	0.6 Nm
Output
Connection method	Pluggable COMBICON screw connections
Conductor cross section, rigid min.	0.2 mm²
Conductor cross section, rigid max.	2.5 mm²
Conductor cross section flexible min.	0.2 mm²
Conductor cross section flexible max.	2.5 mm²
Conductor cross section AWG min.	24
Conductor cross section AWG max.	12
Stripping length	8 mm
Screw thread	M3
Tightening torque, min	0.5 Nm
Tightening torque max	0.6 Nm
Signal
Conductor cross section, rigid min.	0.2 mm²
Conductor cross section, rigid max.	2.5 mm²
Conductor cross section flexible min.	0.2 mm²
Conductor cross section flexible max.	2.5 mm²
Conductor cross section AWG min.	24
Conductor cross section AWG max.	12
Screw thread	M3
Tightening torque, min	0.5 Nm
Tightening torque max	0.6 Nm

Dimensions

Width	67.5 mm
Height	99 mm
Depth	107 mm

Commercial Data

Item number	2866640
Packing unit	1 pc
Minimum order quantity	1 pc
Sales Key	CM20
Product Key	CMUM13
Catalog Page	Page 350 (C-4-2019)
GTIN	4046356113533
Weight per Piece (including packing)	496 g
Weight per Piece (excluding packing)	447 g
Customs tariff number	85371091
Country of origin	CN

Ambient conditions

Degree of protection	IP20
Ambient temperature (operation)	-25 °C … 70 °C (> 60 °C Derating: 2,5 %/K)
Ambient temperature (storage/transport)	-40 °C … 85 °C
Climatic class	3K3 (in acc. with EN 60721)
Max. permissible relative humidity (operation)	95 % (at 25 °C, non-condensing)
Shock	18 ms, 30g, in each space direction (according to IEC 60068-2-27)
Vibration (operation)	< 15 Hz, amplitude ±2.5 mm (according to IEC 60068-2-6)
Vibration (operation)	15 Hz … 150 Hz, 2.3g, 90 min.