1336523

MACX-MR-PTC Monitoring relay

Manufactured by

Brand PHOENIX CONTACT

Temperature monitoring relay of the motor winding (max. 2x3 PTCs) for temperature sensors according to DIN 44081 and DIN 44082 with short-circuit monitoring of the PTC thermistor circuit, dynamic line break monitoring, 2-channel detection circuit.
It can be read using smart phone app via NFC wireless communication function, 1x2 PDT dry contact outputs, closed circuit principle, manual reset, optional screw connection and plug-in connection.

4063151637118

only

available

100+

99999

pcs.

(2026-10-06)

Supply from Phoenix Contact’s warehouse

Product recommended retail price (RRP) is

0⁰⁰€

133⁴⁰€ 0 € pcs.

All prices without tax

All prices with tax

inquiry

only

available

100+

inquiry

2026-10-06

pcs.

Properties

Description

Dimensions

Files

Codes

Product type

Temperature monitoring relay

No. of channels

Number (PTC sensor)

6 (2x 3 PTCs)

Operating mode

Closed circuit

Mechanical service life

approx. 3x 10<sup>7</sup> cycles

Overvoltage category

III

Pollution degree

Rated impulse withstand voltage

6 kV

Service life electrical

approx. 1x 10<sup>5</sup> cycles, resistive load 2000 V A

Maximum power dissipation for nominal condition

15 W

Sensor type

PTC type A

Rated insulation voltage

690 V

Electrical isolation

300 V

Supply voltage range

24 V AC ... 240 V AC -15 % ... +10 %

24 V DC ... 240 V DC -25 % ... +30 %

Nominal power consumption

15 VA (1.5 W)

Frequency range

48 Hz ... 400 Hz

Input name

Measuring input

Maximum temperature coefficient

0.05 %/K

Response value

≥ 2.8 kΩ (Over-temperature test, relay drops out)

Function

Winding temperature monitoring

Basic accuracy

1 %

Repeat accuracy

0.5 %

Total cold resistance

< 750 Ω (per channel)

Release value

≤ 1.1 kΩ (Over-temperature test, relay picks up)

Voltage influence

0.5 %

Recovery time

200 ms

Max. probe voltage

3.3 V DC

Connection name

N/O dry contact

Cable length

2x 100 m (0.75 mm²)

Maximum control voltage

3.3 V DC

Maximum short-circuit current

0.33 mA

Contact switching type

2 floating changeover contacts

Contact material

AgNi

Maximum switching voltage

250 V AC

Interrupting rating (ohmic load) max.

2000 VA (8 A/250 V AC)

Output fuse

8 A (fast-blow)

Connection method

Screw connection

Stripping length

10 mm

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

Tightening torque

0.5 Nm ... 0.6 Nm (5 lb in ... 7 lb in)

Width

22.5 mm

Height

109 mm

Depth

114 mm

Flammability rating according to UL 94

Housing insulation material

PBT

Degree of protection

IP20 (Connection terminal blocks)

IP40 (Housing)

Ambient temperature (operation)

-25 °C ... 70 °C

Ambient temperature (storage/transport)

-40 °C ... 85 °C

Length

Width

Height

Weight Net

Weight

Package

Volume

m³

No files found

ECLASS-13.0

27371810

ECLASS-15.0

27371810

ETIM 10.0

EC001446

UNSPSC 21.0

39121100

GTIN

4063151637118

No item accessories found

No related items found

Monday	8:00–17:00
Tuesday	8:00–17:00
Wednesday	8:00–17:00
Thursday	8:00–17:00
Friday	8:00–16:00
Saturday	Closed
Sunday	Closed

MACX-MR-PTC Monitoring relay

Customer Service Hours