General Technical Specifications
1-3
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Low Voltage Directive
The products listed in the table below fulfill the requirements of EU low-voltage
directive (73/23/EEC). Adherence to this EU directive was tested in accordance
with IEC 61131-2.
Table 1-2 Products that Fulfill the Requirements of the Low-Voltage Directive
Name
Order number
Digital Input Module SM 421; DI 32 x 120 VUC 6ES7421-1EL00-0AA0
Digital Input Module SM 421; DI 16 x 120/230 VUC 6ES7421-1FH00-0AA0
Digital Output Module SM 422; DO 8 x 120/230 VAC/5 A 6ES7422-1FF00-0AA0
Digital Output Module SM 422; DO 16 x 120/230 VAC/2 A 6ES7422-1FH00-0AB0
Relay Output Module SM 422; DO 16 x 30/230 VUC/Rel5A 6ES7422-1HH00-0AA0
Digital input module SM 421; DI 16 UC 120/230 V 6ES7421-1FH20-0AA0
The 120/230 VAC Fan Subassembly 6ES7408-1TB00-0XA0
PS 407 4A 6ES7407-0DA00-0AA0
6ES7407-0DA01-0AA0
PS 407 10A 6ES7407-0KA00-0AA0
6ES7407-0KA01-0AA0
PS 407 20A 6ES7407-0RA00-0AA0
6ES7407-0RA01-0AA0
PS 407 10AR 6ES7407-0KR00-0AA0
Note
In the new releases, some of the devices listed above fulfil the requirements of the
explosion protection guidelines instead of that of the low-voltage directive. Please
note the information on the identification label.
Explosion Protection Guidelines
According to EN 50021 (Electrical apparatus for potentially explosive
atmospheres; Type of protection “n”)
II 3 G EEx nA II T3..T6
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