support hotline
17717479099 | EOCR-SP Overview ✔ Built-in MCU (Microcontroller Unit) ✔ Compatible with all domestic and international motor contactors (MC) for direct connection ✔ Multiple protection functions ✔ Operational current indication: Red LED ✔ Operation status and fault indication function: Red/Green LED ✔ Manual (instant) / Automatic (remote) reset ✔ Excellent adaptability to various environments ✔ Ultra-low power consumption ✔ No-voltage release function (power failure protection/fail-safe operation) - N type ✔ SP is universal for single-phase/three-phase, while SP1 and SP2 are dedicated for three-phase |
EOCR-SP
| Mode | Type | Protective functions | Current-time characteristic | Time settings | |||
| Overcurrent | Phase loss | Locked rotor | Start delay | Trip delay | |||
| SP | 01，10，20 | ○ | △ | △ | Definite time | x | 0.5-15s |
40 | ○ | △ | Definite time | 0.5-30s | 0.5-10s | ||
-- EOCR-SP determines phase reversal and rotor lock by current measurement
-- EOCR-SP40 phase loss protection time is 4 seconds (protects only L1 and L3 phase loss)
EOCR-SP Product Features
| Main Information |
Product Name | EOCR-SP |
Product Type | Plug-in type electronic overcurrent relay |
Protection Type | Overload protection, In > Overcurrent setting |
phase loss protection | |
Stall protection" or "Locked rotor protection |
[Us] Rated Input Voltage | B: 24V AC/DC |
F: 110V AC | |
M: 220V AC |
Protection Range | 01: 0.3~1.2A |
10: 1~12A | |
20: 2~25A | |
40: 8~40A |
[Ui] Rated Insulation Voltage | 600 V AC 50...60 Hz Main Circuit Conforming to UL |
690 V AC 50...60 Hz Main Circuit Conforming to CSA | |
690 V AC 50...60 Hz Main Circuit Conforming to IEC 60947-4-1 |
| Electrical/Mechanical Characteristics |
Power Frequency | 50...60 Hz |
Mounting Method | Direct connection to the contactor |
Electromagnetic Compatibility | Radiated RF immunity 10 V/m level 3 in accordance with IEC 61000-4-3 |
Electrostatic discharge immunity 8 kV air, 6 kV contact in accordance with IEC 61000-4-2 | |
Transient overvoltage 2 kV in accordance with IEC 61000-4-4 | |
Conducted RF immunity 10 V in accordance with EN 61000-4-6 | |
Conducted RF emission class A in accordance with EN 55011 |
Contact Typ | 1 C/O OL) |
[lth] Continuous Current | 5 A control circuit |
[Uimp] Rated Impulse Withstand Voltage | 6 kV Conforming to IEC 60947-4-1 |
Time Setting | Overcurrent operating time 0.5...15 seconds |
Wiring | Control Circuit: Terminal clamp 2 x 1…2.5 mm² without cable lug - M3.5 |
Control circuit: cable 2 x 1…2.5 mm² without cable terminal - M3.5 | |
Control circuit: cable 2 x 1…2.5 mm² with cable terminal - M3.5 |
Tightening Torque | Control circuit: 1.7 N·m, suitable for terminal clamps, cables, 7 mm |
Main circuit: 1.7...2.5 N·m, suitable for terminal clamps, 7 mm |
| Using Environment |
Standard | IEC 60947-4-1 |
IP Rating | IP20 conforming to IEC 60529 |
Using Temperature | Matching IEC 60947-4-1, -20…60 °C |
Storage Temperature | -30…80 °C |
Using Altitude | 2000 m |
Shock Resistance | 15 gn 11 ms compliant with IEC 60068-2-7 |
[UI] Rated Insulation Voltage | 2 kV 50...60 Hz between enclosure and circuit in compliance with IEC 60255-5 |
1 kV 50...60 Hz between contacts in compliance with IEC 60255-5 | |
2 kV 50...60 Hz between internal circuits in compliance with IEC 60255-5 |
| Warranty 18 Months |
EOCR-SP Reference Wiring
|
|
EOCR-SP Overall Dimensions and Contactor Model
|
EOCR-SP Product Ordering
 |
EOCR-SP Product List
| Product Thumbnail | Category | Mode | Current Range | Contact Status | Control Voltage |
|---|---|---|---|---|---|
 | EOCRSP | 01NB | 0.1~1.2A | N | AC/DC 24V |
| 01RF | 0.1~1.2A | R | AC 110V | ||
| 01NM | 0.1~1.2A | N | AC 220V | ||
| 01RM | 0.1~1.2A | R | AC 220V | ||
| 10NB | 1~12A | N | AC/DC 24V | ||
| 10RB | 1~12A | R | AC/DC 24V | ||
| 10NF | 1~12A | N | AC 110V | ||
| 10RF | 1~12A | R | AC 110V | ||
| 10NM | 1~12A | N | AC 220V | ||
| 10RM | 1~12A | R | AC 220V | ||
| 20NB | 2~25A | N | AC/DC 24V | ||
| 20RB | 2~25A | R | AC/DC 24V | ||
| 20NF | 2~25A | N | AC 110V | ||
| 20RM | 2~25A | R | AC 220V | ||
| 20NM | 2~25A | N | AC 220V | ||
| 40RM | 8~40A | R | AC 220V | ||
| 40RF | 8~40A | R | AC 110V | ||
| 40RB | 8~40A | R | AC/DC 24V | ||
| 40NM | 8~40A | N | AC 220V | ||
| 40NF | 8~40A | N | AC 110V |
If you are interested in our products, or if we can help you, you can call our national customer service number at any time:+86-17717479099
You can also communicate with us online, of course, you can also leave us a message below, we will be happy to serve you!
Mobile
