Phoenix Contact develops terminal blocks, power supplies, relays, connectors, signal conditioners, controllers & PLCs, I/O systems, Industrial Ethernet, controller system cabling, PCB terminal blocks & connectors, and surge suppression.

Commercial data

Item number	2906242
Packing unit	1 pc
Minimum order quantity	1 pc
Sales key	CK4
Product key	CMMB21
Catalog page	Page 238 (C-5-2019)
GTIN	4055626050928
Weight per piece (including packing)	222.8 g
Weight per piece (excluding packing)	211.7 g
Customs tariff number	85437090
Country of origin	DE

Product properties

Product type	Voltage transducer

Electrical properties

Alignment span	± 20 %
Alignment zero	± 20 %
Maximum power dissipation for nominal condition	1.2 W
Protective circuit	Surge protection; 33 V suppressor diode
Step response (10-90%)	< 16 ms
Maximum temperature coefficient	< 0.015 %/K
Maximum transmission error	< 1 % (of measuring range end value)
Electrical isolation
Pollution degree	2
Electrical isolation Measuring circuit to supply circuit and output IEC 61010-2-030
Standards/regulations	IEC 61010-2-030
Test voltage	5.3 kV AC (50 Hz, 60 s)
Measuring category	II (1000 V)
	III (600 V)
	IV (300 V)
Insulation	Reinforced insulation
Electrical isolation Supply circuit to output circuit IEC 61010-1
Standards/regulations	IEC 61010-1
Test voltage	2.2 kV AC (50 Hz, 60 s)
Overvoltage category	III (300 V)
Overvoltage category	IV (150 V)
Insulation	Basic insulation
Supply
Nominal supply voltage	24 V DC (-20 % … +25 %)
Supply voltage range	19.2 V DC … 30 V DC
Max. current consumption	< 60 mA

Input data

Measurement
Configurable/programmable	Yes
Input voltage range	-550 V DC … 550 V DC
Maximum input voltage	± 660 V DC
Input resistance of voltage input	5500 kΩ
Impulse form	DC voltage
Measurement
Input voltage range	-370 V DC … 370 V DC
Input resistance of voltage input	3700 kΩ
Measurement
Input voltage range	-250 V DC … 250 V DC
Input resistance of voltage input	2500 kΩ
Measurement
Input voltage range	-170 V DC … 170 V DC
Input resistance of voltage input	1700 kΩ
Measurement
Input voltage range	-120 V DC … 120 V DC
Input resistance of voltage input	1200 kΩ
Measurement
Input voltage range	-80 V DC … 80 V DC
Input resistance of voltage input	800 kΩ
Measurement
Input voltage range	-54 V DC … 54 V DC
Input resistance of voltage input	800 kΩ
Measurement
Input voltage range	-36 V DC … 36 V DC
Input resistance of voltage input	800 kΩ
Measurement
Input voltage range	-24 V DC … 24 V DC
Input resistance of voltage input	240 kΩ

Output data

Signal: Voltage
Voltage output signal	-10 V … 10 V
Voltage output signal	2 V … 10 V
Max. voltage output signal	≤ 11 V
Load/output load voltage output	> 10 kΩ
Ripple	50 mV
Signal: Current
Current output signal	-20 mA … 20 mA
Current output signal	4 mA … 20 mA
Max. current output signal	≤ 22 mA
Load/output load current output	< 500 Ω
Max. capacitive load	< 1000 pF
Max. inductive load	< 1 mH

Connection data

Connection method	Screw connection
Stripping length	8 mm
Screw thread	M3
Conductor cross section rigid	0.2 mm² … 2.5 mm²
Conductor cross section flexible	0.2 mm² … 2.5 mm²
Conductor cross section AWG	24 … 14

Dimension

Width	22.5 mm
Height	113 mm
Depth	114 mm

Material Specifications

Color	gray (RAL 7042)

Environmental and real life conditions

Ambient conditions
Degree of protection	IP20
Ambient temperature (operation)	-25 °C … 60 °C
Ambient temperature (storage/transport)	-40 °C … 85 °C (non-condensing)
Altitude	≤ 2000 m
Permissible humidity (operation)	10 % … 95 % (non-condensing)

Approvals

CE
Certificate	CE-compliant
UKCA
Certificate	UKCA-compliant
UL, USA/Canada
Identification	UL 61010 Listed

EMC data

Electromagnetic compatibility	Conformance with EMC directive
Low Voltage Directive	Conformance with Low Voltage Directive
Noise immunity	EN 61000-6-2
Note	When being exposed to interference, there may be minimal deviations.
Noise emission
Standards/regulations	EN 61000-6-4