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EMR5-R250-1-A 153442 EATON ELECTRIC The relay Control Isolation 1W 250 V AC
EMR5-R250-1-A
153442
EATON - MOELLER
1 Pcs.
The relay Control Isolation; 1W; 250 V AC
Relay monitoring of insulation; 1 W; 250 V AC
Insulation monitoring relay EMR5-R… according to IEC/EN 60255-6, 22.5 mm wide, for monitoring insulation resistance in ungrounded IT AC systems, IT AC systems with galvanically connected DC circuits or ungrounded DC IT systems
Automation > Insulation and earth fault monitoring relay
Relay timers (KETR, KEMR, KESR)
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
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The EMR5-R250-1-A 153442 EATON ELECTRIC The relay Control Isolation 1W 250 V AC serves as an isolation control relay built to supervise electrical circuits and protect personnel and machinery from earth fault risks. Such relays are widely integrated into control panels to ensure safe electrical isolation and rapid fault notification. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Type of electric connection (EF003961): Screw connection
- With detachable clamps (EF003340): No
- Function (EF000030): For AC-current system
- External power supply required (EF003292): No
- Rated operating frequency (EF007024): 0 Hz
- Line capacity (EF003419): 0 µF
- Response value impedance 1 (EF008202): 0 kOhm
- Response value impedance 2 (EF008203): 0 kOhm
- Indication of insulation value (EF003422): No
- Error registration possible (EF003423): No
- Number of contacts as normally closed contact (EF008255): 0
- Number of contacts as normally open contact (EF008256): 0
- Number of contacts as change-over contact (EF008257): 1
- Width (EF000008): 23 mm
- Height (EF000040): 78 mm
- Depth (EF000049): 100 mm
More info
▲Insulation monitoring relay, 1W, 250VAC
Eaton Catalog No.
EMR5-R250-1-A
Insulation monitoring relay EMR5-R… according to IEC/EN 60255-6, 22.5 mm wide, for monitoring insulation resistance in ungrounded IT AC systems, IT AC systems with galvanically connected DC circuits or ungrounded DC IT systems
Delivery program
This item will continue to be available for a limited time only and is being replaced by the following item: 184772, EMR6-R250-A-1
Product range
EMR Measuring and monitoring relays
Basic function
Insulation monitoring relays
Status indication via LEDs
Open-circuit principle
Test or reset with button on device or with control input
Configurable fault memory/memory function
Configurable non-volatile fault memory
Open-circuit principle
Test or reset with button on device or with control input
Configurable fault memory/memory function
Configurable non-volatile fault memory
Monitoring of
Insulation resistance in non-earthed AC supply systems (two-phase, three-phase, four-phase systems)
Insulation resistance in non-earthed DC supply systems (two-phase, three-phase systems)
Insulation resistance in non-earthed DC supply systems (two-phase, three-phase systems)
adjustable sensitivity range
1 - 100 kΩ
Contact sequence
Supply voltage
24 - 240 V AC, 13,5 - 400 Hz
24 - 240 V DC
24 - 240 V DC
Rated operating voltage for the supply system being monitored
0 - 250 V AC
0 - 300 V DC
0 - 300 V DC
Width
22.5 mm
Design verification as per IEC/EN 61439
Operating ambient temperature min.
-25 °C
Operating ambient temperature max.
+65 °C
Technical data ETIM 7.0
Relays (EG000019) / Insulation and earth fault monitoring relay (EC001444)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Monitoring equipment (low-voltage switch technology) / Insulation-/earth connection monitoring equipment ([email protected] [AKF101014])
Type of electric connection
Screw connection
Rated control supply voltage Us at AC 50HZ
0 - 0 V
Rated control supply voltage Us at AC 60HZ
0 - 0 V
Rated control supply voltage Us at DC
0 - 0 V
Voltage type for actuating
AC
With detachable clamps
No
Function
For AC-current system
Rated voltage
0 - 0 V
Rated frequency
0 - 0 Hz
Line capacity
0 µF
Response value impedance 1
0 - 0 kOhm
Response value impedance 2
0 - 0 kOhm
Indication of insulation value
No
Error registration possible
No
Number of contacts as normally closed contact
0
Number of contacts as normally open contact
0
Number of contacts as change-over contact
1
Width
0 mm
Height
78 mm
Depth
100 mm
Approvals
Product Standards
IEC 60255-6; IEC 61557-8;UL 508; CSA-22.2 No. 14-05; CE marking
UL File No.
E29184
UL Category Control No.
NKCR, NKCR7
North America Certification
UL listed, CSA certified
Degree of Protection
IEC: IP20, UL/CSA Type: -
Characteristics
Characteristic curve
AC load (resistive)
Characteristic curve
DC load (resistive)
Characteristic curve
Derating factor F with inductive AC load
Characteristic curve
Contact life
S operations
220 V 50 Hz AC-1
360 operations/h
S operations
220 V 50 Hz AC-1
360 operations/h