安装环境是否异常，即用温度计检查周围温度是否在—10℃～+50℃之间且不冰冻，用湿度计检查周围湿度是否在90%以下且不结露。

2、冷冻系统（冷冻风扇）是否异常。

3、是否存在异常振动、异常声音。

4、是否出现异常过热、变色。

5、仪表指示是否异常，必要时可使用万用表检查变频器的输入输出电压。 

S500-K 型高分断微型断路器   型号 极数 额定电流 (A)    S501-K0.15 1 0.15 S501-K0.21 1 0.21 S501-K0.3 1 0.3 S501-K0.42 1 0.42 S501-K0.58 1 0.58 S501-K0.8 1 0.8 S501-K1.1 1 1.1 S501-K1.5 1 1.5 S501-K2.1 1 2.1 S501-K3 1 3 S501-K4.2 1 4.2 S501-K5.8 1 5.8 S501-K8 1 8 S501-K11 1 11 S501-K15 1 15 S501-K20 1 20 S501-K26 1 26 S501-K32 1 32 S501-K37 1 37 S501-K41 1 41 S501-K45 1 45 S502-K0.15 2 0.15 S502-K0.21 2 0.21 S502-K0.3 2 0.3 S502-K0.42 2 0.42 S502-K0.58 2 0.58 S502-K0.8 2 0.8 S502-K1.1 2 1.1 S502-K1.5 2 1.5 S502-K2.1 2 2.1 S502-K3 2 3 S502-K4.2 2 4.2 S502-K5.8 2 5.8 S502-K8 2 8 S502-K11 2 11 S502-K15 2 15 S502-K20 2 20 S502-K26 2 26 S502-K32 2 32 S502-K37 2 37 S502-K41 2 41 S502-K45 2 45    S503-K 型高分断微型断路器   型号 极数 额定电流 (A)    S503-K0.15 3 0.15 S503-K0.21 3 0.21 S503-K0.3 3 0.3 S503-K0.42 3 0.42 S503-K0.58 3 0.58 S503-K0.8 3 0.8 S503-K1.1 3 1.1 S503-K1.5 3 1.5 S503-K2.1 3 2.1 S503-K3 3 3 S503-K4.2 3 4.2 S503-K5.8 3 5.8 S503-K8 3 8 S503-K11 3 11 S503-K15 3 15 S503-K20 3 20 S503-K26 3 26 S503-K32 3 32 S503-K37 3 37 S503-K41 3 41 S503-K45 3 45    S500UC-B 型高分断微型断路器   型号 极数 额定电流 (A)    S501UC-B6 1 6 S501UC-B10 1 10 S501UC-B13 1 13 S501UC-B16 1 16 S501UC-B20 1 20 S501UC-B25 1 25 S501UC-B32 1 32 S501UC-B40 1 40 S501UC-B50 1 50 S501UC-B63 1 63 S502UC-B6 2 6 S502UC-B10 2 10 S502UC-B13 2 13 S502UC-B16 2 16 S502UC-B20 2 20 S502UC-B25 2 25 S502UC-B32 2 32 S502UC-B40 2 40 S502UC-B50 2 50 S502UC-B63 2 63 S503UC-B6 3 6 S503UC-B10 3 10 S503UC-B13 3 13 S503UC-B16 3 16 S503UC-B20 3 20 S503UC-B25 3 25 S503UC-B32 3 32 S503UC-B40 3 40 S503UC-B50 3 50 S503UC-B63 3 63    S500UC-K 型高分断微型断路器   型号 极数 额定电流 (A)    S501UC-K0.15 1 0.15 S501UC-K0.21 1 0.21 S501UC-K0.3 1 0.3 S501UC-K0.42 1 0.42 S501UC-K0.58 1 0.58 S501UC-K0.8 1 0.8 S501UC-K1.1 1 1.1 S501UC-K1.5 1 1.5 S501UC-K2.1 1 2.1 S501UC-K3 1 3 S501UC-K4.2 1 4.2 S501UC-K5.8 1 5.8 S501UC-K8 1 8 S501UC-K11 1 11 S501UC-K15 1 15 S501UC-K20 1 20 S501UC-K26 1 26 S501UC-K32 1 32 S501UC-K37 1 37 S501UC-K41 1 41 S501UC-K45 1 45 S502UC-K0.15 2 0.15 S502UC-K0.21 2 0.21 S502UC-K0.3 2 0.3 S502UC-K0.42 2 0.42 S502UC-K0.58 2 0.58 S502UC-K0.8 2 0.8 S502UC-K1.1 2 1.1 S502UC-K1.5 2 1.5 S502UC-K2.1 2 2.1 S502UC-K3 2 3 S502UC-K4.2 2 4.2 S502UC-K5.8 2 5.8 S502UC-K8 2 8 S502UC-K11 2 11 S502UC-K15 2 15 S502UC-K20 2 20 S502UC-K26 2 26 S502UC-K32 2 32 S502UC-K37 2 37 S502UC-K41 2 41 S502UC-K45 2 45 S503UC-K0.15 3 0.15 S503UC-K0.21 3 0.21 S503UC-K0.3 3 0.3 S503UC-K0.42 3 0.42 S503UC-K0.58 3 0.58 S503UC-K0.8 3 0.8 S503UC-K1.1 3 1.1 S503UC-K1.5 3 1.5 S503UC-K2.1 3 2.1 S503UC-K3 3 3 S503UC-K4.2 3 4.2 S503UC-K5.8 3 5.8 S503UC-K8 3 8 S503UC-K11 3 11 S503UC-K15 3 15 S503UC-K20 3 20 S503UC-K26 3 26 S503UC-K32 3 32 S503UC-K37 3 37 S503UC-K41 3 41 S503UC-K45 3 45    S500高分断微型断路器附件   型号      分励脱扣器   ...+AL24VUC   ...+AL110VUC   ...+AL230VUC   ...+AL400VUC   欠压脱扣器   ...+UA24VAC   ...+UA110VAC   ...+UA230VAC   ...+UA400VAC   ...+UA24VDC   ...+UA110VDC   ...+UA230VDC   ...+UA400VDC   旋转操作机构   S500-RD3   S500-RD4   旋转手柄2)   S500-H2B2   S500-H2Y2   旋转手柄的连接轴   S500-S51   S500-S52   辅助触头   S500-H11   S500-H20   信号触头   S500-S11   S500-S20      S800S-B 型高分断微型断路器   型号 极数 额定电流 (A)    S801S-B10 1 10 S801S-B13 1 13 S801S-B16 1 16 S801S-B20 1 20 S801S-B25 1 25 S801S-B32 1 32 S801S-B40 1 40 S801S-B50 1 50 S801S-B63 1 63 S801S-B80 1 80 S801S-B100 1 100 S801S-B125 1 125 S802S-B10 2 10 S802S-B13 2 13 S802S-B16 2 16 S802S-B20 2 20 S802S-B25 2 25 S802S-B32 2 32 S802S-B40 2 40 S802S-B50 2 50 S802S-B63 2 63 S802S-B80 2 80 S802S-B100 2 100 S802S-B125 2 125 S803S-B10 3 10 S803S-B13 3 13 S803S-B16 3 16 S803S-B20 3 20 S803S-B25 3 25 S803S-B32 3 32 S803S-B40 3 40 S803S-B50 3 50 S803S-B63 3 63 S803S-B80 3 80 S803S-B100 3 100 S803S-B125 3 125 S804S-B10 4 10 S804S-B13 4 13 S804S-B16 4 16 S804S-B20 4 20 S804S-B25 4 25 S804S-B32 4 32 S804S-B40 4 40 S804S-B50 4 50 S804S-B63 4 63 S804S-B80 4 80 S804S-B100 4 100 S804S-B125 4 125      微型断路器 

S251S-C40
S251S-C50
S251S-C63
S252S-C1
S252S-C4
S252S-C6
S252S-C10
S252S-C16
S252S-C20
S252S-C25
S252S-C32
S252S-C40
S252S-C50
S252S-C63
S253S-C1
S253S-C4
S253S-C6
S253S-C10
S253S-C16
S253S-C20
S253S-C25
S253S-C32
S253S-C40
S253S-C50
S253S-C63
S254S-C1
S254S-C4
S254S-C6
S254S-C10
S254S-C16
S254S-C20
S254S-C25
S254S-C32
S254S-C40
S254S-C50
S254S-C63

S250S-D 系列微型断路器
型号

S251S-D1
S251S-D4
S251S-D6
S251S-D10
S251S-D16
S251S-D20
S251S-D25
S251S-D32
S251S-D40
S251S-D50
S251S-D63
S252S-D1
S252S-D4
S252S-D6
S252S-D10
S252S-D16
S252S-D20
S252S-D25
S252S-D32
S252S-D40
S252S-D50
S252S-D63
S253S-D1
S253S-D4
S253S-D6
S253S-D10
S253S-D16
S253S-D20
S253S-D25
S253S-D32
S253S-D40
S253S-D50
S253S-D63
S254S-D1
S254S-D4
S254S-D6
S254S-D10
S254S-D16
S254S-D20
S254S-D25
S254S-D32
S254S-D40
S254S-D50
S254S-D63

S250S-K 系列微型断路器
型号

S251S-K1
S251S-K2
S251S-K3
S251S-K4
S251S-K6
S251S-K10
S251S-K16
S251S-K20
S251S-K25
S251S-K32
S251S-K40
S252S-K1
S252S-K2
S252S-K3
S252S-K4
S252S-K6
S252S-K10
S252S-K16
S252S-K20
S252S-K25
S252S-K32
S252S-K40
S253S-K1
S253S-K2
S253S-K3
S253S-K4
S253S-K6
S253S-K10
S253S-K16
S253S-K20
S253S-K25
S253S-K32
S253S-K40
S253SNA-K1
S253SNA-K2
S253SNA-K3
S253SNA-K4
S253SNA-K6
S253SNA-K10
S253SNA-K16
S253SNA-K20
S253SNA-K25
S253SNA-K32
S253SNA-K40

S250S-C DC 系列直流微型断路器
型号

S251S-C1 DC
S251S-C2 DC
S251S-C3 DC
S251S-C4 DC
S251S-C6 DC
S251S-C10 DC
S251S-C16 DC
S251S-C20 DC
S251S-C25 DC
S251S-C32 DC
S251S-C40 DC
S251S-C50 DC
S251S-C63 DC
S252S-C1 DC
S252S-C2 DC
S252S-C3 DC
S252S-C4 DC
S252S-C6 DC
S252S-C10 DC
S252S-C16 DC
S252S-C20 DC
S252S-C25 DC
S252S-C32 DC
S252S-C40 DC
S252S-C50 DC
S252S-C63 DC
S253S-C1 DC
S253S-C2 DC
S253S-C3 DC
S253S-C4 DC
S253S-C6 DC
S253S-C10 DC
S253S-C16 DC
S253S-C20 DC
S253S-C25 DC
S253S-C32 DC
S253S-C40 DC
S253S-C50 DC
S253S-C63 DC
S254S-C1 DC
S254S-C2 DC
S254S-C3 DC
S254S-C4 DC
S254S-C6 DC
S254S-C10 DC
S254S-C16 DC
S254S-C20 DC
S254S-C25 DC
S254S-C32 DC
S254S-C40 DC
S254S-C50 DC
S254S-C63 DC

S251SNA-C 系列微型断路器
型号

S251SNA-C10
S251SNA-C16
S251SNA-C20
S251SNA-C25
S251SNA-C32
S251SNA-C40
S251SNA-C50
S251SNA-C63

S250S 系列微型断路器辅件 / 附件
型号

辅助触头
S250S-H02
S250S-H20
S250S-H11
分励脱扣器
S250S-SR1 (AC/DC 24-48V)
S250S-SR2 (AC/DC 110-415V)

S260-B 系列微型断路器
型号

S261-B6
S261-B10
S261-B16
S261-B20
S261-B25
S261-B32
S261-B40
S261-B50
S261-B63
S262-B6
S262-B10
S262-B16
S262-B20
S262-B25
S262-B32
S262-B40
S262-B50
S262-B63
S263-B6
S263-B10
S263-B16
S263-B20
S263-B25
S263-B32
S263-B40
S263-B50
S263-B63
S264-B6
S264-B10
S264-B16
S264-B20
S264-B25
S264-B32
S264-B40
S264-B50
S264-B63

S260-C 系列微型断路器
型号

S261-C0.5
S261-C1
S261-C2
S261-C3
S261-C4
S261-C6
S261-C10
S261-C16
S261-C20
S261-C25
S261-C32
S261-C40
S261-C50
S261-C63
S262-C0.5
S262-C1
S262-C2
S262-C3
S262-C4
S262-C6
S262-C10
S262-C16
S262-C20
S262-C25
S262-C32
S262-C40
S262-C50
S262-C63
S263-C0.5
S263-C1
S263-C2
S263-C3
S263-C4
S263-C6
S263-C10
S263-C16
S263-C20
S263-C25
S263-C32
S263-C40
S263-C50
S263-C63
S264-C0.5
S264-C1
S264-C2
S264-C3
S264-C4
S264-C6
S264-C10
S264-C16
S264-C20
S264-C25
S264-C32
S264-C40
S264-C50
S264-C63

S261NA-C 系列微型断路器
型号

S261NA-C6
S261NA-C10
S261NA-C16
S261NA-C20
S261NA-C25
S261NA-C32
S261NA-C40
S261NA-C50
S261NA-C63

S260-D 系列微型断路器
型号

S261-D0.5
S261-D1
S261-D2
S261-D3
S261-D4
S261-D6
S261-D10
S261-D16
S261-D20
S261-D25
S261-D32
S261-D40
S261-D50
S261-D63
S262-D0.5
S262-D1
S262-D2
S262-D3
S262-D4
S262-D6
S262-D10
S262-D16
S262-D20
S262-D25
S262-D32
S262-D40
S262-D50
S262-D63
S263-D0.5
S263-D1
S263-D2
S263-D3
S263-D4
S263-D6
S263-D10
S263-D16
S263-D20
S263-D25
S263-D32
S263-D40
S263-D50
S263-D63
S264-D0.5
S264-D1
S264-D2
S264-D3
S264-D4
S264-D6
S264-D10
S264-D16
S264-D20
S264-D25
S264-D32
S264-D40
S264-D50
S264-D63

S260-K 系列微型断路器
型号

S261-K0.5
S261-K1
S261-K2
S261-K3
S261-K4
S261-K6
S261-K10
S261-K16
S261-K20
S261-K25
S261-K32
S261-K40
S261-K50
S261-K63
S262-K0.5
S262-K1
S262-K2
S262-K3
S262-K4
S262-K6
S262-K10
S262-K16
S262-K20
S262-K25
S262-K32
S262-K40
S262-K50
S262-K63
S263-K0.5
S263-K1
S263-K2
S263-K3
S263-K4
S263-K6
S263-K10
S263-K16
S263-K20
S263-K25
S263-K32
S263-K40
S263-K50
S263-K63
S264-K0.5
S264-K1
S264-K2
S264-K3
S264-K4
S264-K6
S264-K10
S264-K16
S264-K20
S264-K25
S264-K32
S264-K40
S264-K50
S264-K63

S260+OV 系列微型断路器
型号

S261NA-B6+OV
S261NA-B10+OV
S261NA-B16+OV
S261NA-B20+OV
S261NA-B25+OV
S261NA-B32+OV
S261NA-B40+OV
S261NA-B50+OV
S261NA-B63+OV
S261NA-C6+OV
S261NA-C10+OV
S261NA-C16+OV
S261NA-C20+OV
S261NA-C25+OV
S261NA-C32+OV
S261NA-C40+OV
S261NA-C50+OV
S261NA-C63+OV
S261NA-D6+OV
S261NA-D10+OV
S261NA-D16+OV
S261NA-D20+OV
S261NA-D25+OV
S261NA-D32+OV
S261NA-D40+OV
S261NA-D50+OV
S261NA-D63+OV
S262-C6+OV
S262-C10+OV
S262-C16+OV
S262-C20+OV
S262-C25+OV
S262-C32+OV
S262-C40+OV
S262-C50+OV
S262-C63+OV

S260 (PT) 系列微型断路器 (计量专用)
型号

S261-B3 (PT)
S261-B6 (PT)
S261-B10 (PT)
S263-B3 (PT)
S263-B6 (PT)
S263-B10 (PT)

S260 UC-B 系列微型断路器
型号

S261UC-B1
S261UC-B2
S261UC-B3
S261UC-B4
S261UC-B6
S261UC-B10
S261UC-B16
S261UC-B20
S261UC-B25
S261UC-B32
S261UC-B40
S261UC-B50
S261UC-B63
S262UC-B1
S262UC-B2
S262UC-B3
S262UC-B4
S262UC-B6
S262UC-B10
S262UC-B16
S262UC-B20
S262UC-B25
S262UC-B32
S262UC-B40
S262UC-B50
S262UC-B63
S263UC-B1
S263UC-B2
S263UC-B3
S263UC-B4
S263UC-B6
S263UC-B10
S263UC-B16
S263UC-B20
S263UC-B25
S263UC-B32
S263UC-B40
S263UC-B50
S263UC-B63
S264UC-B1
S264UC-B2
S264UC-B3
S264UC-B4
S264UC-B6
S264UC-B10
S264UC-B16
S264UC-B20
S264UC-B25
S264UC-B32
S264UC-B40
S264UC-B50
S264UC-B63

S260 UC-C 系列微型断路器
型号

S261UC-C0.5
S261UC-C1
S261UC-C2
S261UC-C3
S261UC-C4
S261UC-C6
S261UC-C10
S261UC-C16
S261UC-C20
S261UC-C25
S261UC-C32
S261UC-C40
S261UC-C50
S261UC-C63
S262UC-C0.5
S262UC-C1
S262UC-C2
S262UC-C3
S262UC-C4
S262UC-C6
S262UC-C10
S262UC-C16
S262UC-C20
S262UC-C25
S262UC-C32
S262UC-C40
S262UC-C50
S262UC-C63
S263UC-C0.5
S263UC-C1
S263UC-C2
S263UC-C3
S263UC-C4
S263UC-C6
S263UC-C10
S263UC-C16
S263UC-C20
S263UC-C25
S263UC-C32
S263UC-C40
S263UC-C50
S263UC-C63
S264UC-C0.5
S264UC-C1
S264UC-C2
S264UC-C3
S264UC-C4
S264UC-C6
S264UC-C10
S264UC-C16
S264UC-C20
S264UC-C25
S264UC-C32
S264UC-C40
S264UC-C50
S264UC-C63

S260 UC-K 系列微型断路器
型号

S261UC-K0.5
S261UC-K1
S261UC-K2
S261UC-K3
S261UC-K4
S261UC-K6
S261UC-K10
S261UC-K16
S261UC-K20
S261UC-K25
S261UC-K32
S261UC-K40
S261UC-K50
S261UC-K63
S262UC-K0.5
S262UC-K1
S262UC-K2
S262UC-K3
S262UC-K4
S262UC-K6
S262UC-K10
S262UC-K16
S262UC-K20
S262UC-K25
S262UC-K32
S262UC-K40
S262UC-K50
S262UC-K63
S263UC-K0.5
S263UC-K1
S263UC-K2
S263UC-K3
S263UC-K4
S263UC-K6
S263UC-K10
S263UC-K16
S263UC-K20
S263UC-K25
S263UC-K32
S263UC-K40
S263UC-K50
S263UC-K63
S264UC-K0.5
S264UC-K1
S264UC-K2
S264UC-K3
S264UC-K4
S264UC-K6
S264UC-K10
S264UC-K16
S264UC-K20
S264UC-K25
S264UC-K32
S264UC-K40
S264UC-K50
S264UC-K63

S260 (G) 系列微型断路器 (高原用)
型号

S261-C0.5 (G)
S261-C1 (G)
S261-C2 (G)
S261-C3 (G)
S261-C4 (G)
S261-C6 (G)
S261-C10 (G)
S261-C16 (G)
S261-C20 (G)
S261-C25 (G)
S261-C32 (G)
S261-C40 (G)
S261-C50 (G)
S262-C0.5 (G)
S262-C1 (G)
S262-C2 (G)
S262-C3 (G)
S262-C4 (G)
S262-C6 (G)
S262-C10 (G)
S262-C16 (G)
S262-C20 (G)
S262-C25 (G)
S262-C32 (G)
S262-C40 (G)
S262-C50 (G)
S263-C0.5 (G)
S263-C1 (G)
S263-C2 (G)
S263-C3 (G)
S263-C4 (G)
S263-C6 (G)
S263-C10 (G)
S263-C16 (G)
S263-C20 (G)
S263-C25 (G)
S263-C32 (G)
S263-C40 (G)
S263-C50 (G)
S264-C0.5 (G)
S264-C1 (G)
S264-C2 (G)
S264-C3 (G)
S264-C4 (G)
S264-C6 (G)
S264-C10 (G)
S264-C16 (G)
S264-C20 (G)
S264-C25 (G)
S264-C32 (G)
S264-C40 (G)
S264-C50 (G)

S260 (M) 系列微型断路器 (单磁式)
型号

S261-K0.5 (M)
S261-K1 (M)
S261-K2 (M)
S261-K3 (M)
S261-K4 (M)
S261-K6 (M)
S261-K10 (M)
S261-K16 (M)
S261-K20 (M)
S261-K25 (M)
S261-K32 (M)
S261-K40 (M)
S261-K50 (M)
S261-K63 (M)
S262-K0.5 (M)
S262-K1 (M)
S262-K2 (M)
S262-K3 (M)
S262-K4 (M)
S262-K6 (M)
S262-K10 (M)
S262-K16 (M)
S262-K20 (M)
S262-K25 (M)
S262-K32 (M)
S262-K40 (M)
S262-K50 (M)
S262-K63 (M)
S263-K0.5 (M)
S263-K1 (M)
S263-K2 (M)
S263-K3 (M)
S263-K4 (M)
S263-K6 (M)
S263-K10 (M)
S263-K16 (M)
S263-K20 (M)

S263-K25 (