RM-W Series● -Original Multi-purpose High-pin-count Miniature Waterproof Connectors
Product Specifications (RM21WT to RM31WT size products)
Rating
Voltage rating
600V AC, 840V DC (40 pos.)
500V AC, 700V DC (15, 55 pos.)
350V AC, 490V DC (20 pos.)
Current rating 5A
Operating temperature range (Note 1) -25ç to +85ç
Storage temperature range (Note 2) -10ç to +60ç
Item Material Finish Remarks
Body Brass Chrome plated or nickel plated -------------------
Insulator Diallyl phthalate resin ------------------- UL94V-0 (Color : Black)
Contacts Brass, copper alloy Silver plated -------------------
Packing Chloroprene rubber or SIR ------------------- (Color : Black)
Characteristic Specification Conditions
1. Contact resistance 4mø max. 1A DC
2. Insulation resistance 1,000Mø min 500V DC
3. Withstanding voltage No flashover or insulation breakdown.
1,800V AC/one minute (40 pos.)
1,500V AC/one minute (15, 55 pos.)
1,000V AC/one minute (20 pos.)
4. Vibration No electrical discontinuity for 10μs max.
Frequency : 10 to 55Hz, single amplitude of 0.75mm,
for 3 hours in 3 axis.
5. Shock No electrical discontinuity for 10μs max.
Acceleration of 490m/s
2
, 11ms duration, sine half-wave
waveform, 3 cycles in each of the 3 axis.
6. Durability
(insertion/withdrawal)
8mø max. 2,000 cycles
7. Temperature cycle Insulation resistance : 100Mø min.
Temperature : -55ç ➝ Room temperature ➝ +85ç ➝ Room temperature
Time
: 30 ➝ 10 to 15 ➝ 30 ➝ 10 to 15 (Minutes) 5 cycles
8. Humidity
Insulation resistance : 100Mø min. (Dray state)
96 hours at temperature of 40ç and humidity of 90% to 95%.
9.
Water / dust protection
When mated with corresponding connector.
Complete dust protection. No water penetration
when submerged for 48 hours at the depth of 1.8 meter.
Materials / Finish
Note 1 : Includes temperature rise caused by the current flow.
Note 2 : The term “storage” refers to products stored for long period of time prior to mounting and use. Operating temperature range and
humidity range
covers non-conducting condition of installed connectors in storage, shipment or during transportation.
Note : Do not mix different contact plating.
Series name : RM-W Number of contacts
Shell size
Contact type
P : Male contact
S : Female contact
Lock type
T : Screw Lock
Connector type
P : Plug
R : Receptacle
Other specifications
A two-digit number is added to
indicate other specifications.
1 5
62
3
4
7
RM 31
W
T P*
- 40
S
(
**
)
1
2
3
4 5 6
1
7
CP : Strain relief
() with : External cable clamp
() without : Internal cable clamp
Numbers : Cable size
9
RM 21 W T P
-
CP
(
10
) (
**
)
8 9 7
8
■
Product Number Structure
Refer to the chart below when determining the product specifications from the product number.
Please select from the product numbers listed in this catalog when placing orders.
10
Apr.1.2017 Copyright 2017 HIROSE ELECTRIC CO., LTD. All Rights Reserved.
