Coil Data
Coil Voltage | Pick-up Voltage | Drop-out Voltage | Coil Resistance | Avg. Holding Current | Holding Power |
12VDC | 9VDC Max | 1.2VDC Min | 45Ω | 267mA | 3.2W |
24VDC | 18VDC Max | 2.4VDC Min | 167Ω | 144mA | 3.5W |
48VDC | 36VDC Max | 4.8VDC Min | 630Ω | 76.2A | 3.7W |

Contact Parameters | Contact Polar | No polarity |
Rating Voltage | 12-200VDC | |
Rating Current | 30A (1) | |
Current Endurance | 90A 30sec. | |
150A 10sec. | ||
Break Current, Max, only 1 time | 300A 80VDC | |
Contact Resistance | ≤30mΩ (6VDC 20A) | |
(Typical Value 1mΩ) | ||
Life | Mechanical Life | 2×105 cycles (3) |
Electrical Life (1), (2) | DC100V, 10000 cycles | |
DC200V, 1000 cycles | ||
Coil Parameters | Nominal Voltage | 24VDC (Us) |
Nominal Current (at 20ºC) | About 143.7mA | |
Coil Power (at 20ºC) | About 3.45W | |
Coil Polar | No | |
(1): Resistive Load, L/R≤1ms. (2): Switching Rating, ON : OFF=1s : 9s. (3): Switching Rating, ON : OFF=0.5s : 0.5s. |
Dimension

Fastener | Torque Range | |
Main contacts wiring | M4×8 (Provided) | 1.8~2.5N · m |
Product mount | M4 | 1.8~2.5N · m |
Instrusction | ![]() |
Ordering Information
EVQ50 (Rated Current) | E (Main contacts feature) | 12 (Coil Voltage) | D (Coil lead out) | A (Mounting) | 8** (Product code) |
"50" = 50A | "E"= 1 form A(NO), No polarity "G"= 1 form A(NO) add AUX contacts(NO), No polarity | "12" = 12VDC "24" = 24VDC "48" = 48VDC | "D"= Wire Without Connectors "E" = Wire With Connectors (Manufacturer's recommendation) | "A"= Bottom mount | Product code |

Q1: Are you trading company or manufacturer ?
We are a manufacturer.
Q2:What can you do if the product is broken?
Our products come with a one-year warranty from the date of acceptance. If any part breaks within this period and cannot be repaired, we will replace it with a new one. Please note that you will need to cover the shipping costs. After the warranty period, we can negotiate solutions and provide lifetime technical support for our equipment.
Q3:Why should we choose your company?
1. Our company is certified with CE, TUV, UL, RoHS, and IATF16949:2016, among others.
2. We offer advanced technical support and maintain a strict quality management system.
3. We provide efficient and timely service through email, WhatsApp, Facebook, and other channels.
Q4:What is the difference between an epoxy contactor and a ceramic contactor?
Q5:Is the whole product series non-polarized?
Yes
Q6: Coil drive mode
Product Frame | 50A | 100A | 150A | 300A | 600A |
Driving voltage of coil | 12/24/48/72Vdc | 12/24/36/48/72VDC 12-36VDC 48-72VDC |