YBDF系列电动机的防爆标志为Exd ⅡBT4，适用于工厂Ⅱ类A级、B级电气设备，温度组别为T1、T2、T3、T4组爆炸性气体混合物存在的环境。根据订货要求，也可为用户生产防爆标志为Exd的电动机。 

电机编号（防爆型）

序号型号电机功率电流噪音净重
1 YBDF -322-4 3 KW 10 A 75 dB(A) 34 kg
2 YBDF -321-4 2.2 KW 6.5 A 75 dB(A) 29 kg
3 YBDF -312-4 1.5 KW 4.5 A 75 dB(A) 29 kg
4 YBDF- 311-4 1.1 KW 3.4 A 75 dB(A) 20 kg
5 YBDF -223-4 0.75 KW 2.8 A 70 dB(A) 13 kg
6 YBDF -222-4 0.55 KW 2.2 A 70 dB(A) 11 kg
7 YBDF- 221-4 0.37 KW 1.8 A 70 dB(A) 10 kg
8 YBDF- 212-4 0.25 KW 1.5 A 70 dB(A) 9 kg
9 YBDF-211-4 0.18 KW 0.95 A 70 dB(A) 8 kg
10 YBDF -112-4 0.12 KW 1.2 A 70 dB(A) 8 kg
11 YBDF -111-4 0.09 KW A 70 dB(A) kg

YBDF2防爆阀门电机型号：YBDF2-111-4、YBDF2-112-4、YBDF2-121-4、YBDF2-122-4，YBDF2-211-4，YBDF2-212-4，YBDF2-221-4，YBDF2-222-4，YBDF2-231-4，YBDF2-223-4，YBDF2-232-4，YBDF2-311-4，YBDF2-312-4，YBDF2-321-4，YBDF2-322-4，YBDF2-411-4，YBDF2-412-4，YBDF2-421-4，YBDF2-422-4，YBDF2-431-4。

YBDF-WF防爆阀门电机型号：YBDF-WF-111-4、YBDF-WF-112-4、YBDF-WF-121-4、YBDF-WF-122-4，YBDF-WF-211-4、YBDF-WF-212-4，YBDF-WF-221-4，YBDF-WF-222-4，YBDF-WF-223-4， YBDF-WF-231-4，YBDF-WF-232-4，YBDF-WF-311-4，YBDF-WF-312-4，YBDF-WF-321-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-421-4，YBDF-WF-422-4