Standard features

Two metal mounting brackets
Three stages of protection: Gas discharge tube, series resistor and transient voltage suppressor (TVS)
Two terminal posts for ground
RS-232 high energy surge protector
Terminal blocks for transmit, receive, request to send, clear to send and signal ground
Safe for use with computers and PLCs
Also works with RS-485, RS-422 and 20 mA

Specifications

Clamping Voltage (Stage One): 72 V DC minimum, 108 V DC maximum
Series Resistance (Stage Two): 2.7 ohm
Clamping Voltage (Stage Three): 14.3 V minimum, 15.7 V maximum
Clamping Time: < 5 × 109 seconds
Temperature: Operating: 0 °F to 122 °F (-18 °C to 50 °C)
Connectors: Five-position terminal blocks
Dimensions: (L × W × H) Approximately 4.5 × 3.3 × 1.8 in
Warranty: One-year limited
Approvals: CE Listed

Models & part numbers

Available configurations.

Part / model	Description
69201	0.42 lb

Options & accessories (3)

17778	12 in ground strap, copper braid
17781	24 in ground strap, copper braid
69516	Additional installation manual

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 817. Specifications are subject to change without notice.